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學校:___________姓名：___________班級：___________考號：___________
Unit 5 Good Manners
重點語法：enough...to...和too...to...的用法精講練
語法知識精講
enough...to... 和 too...to... 的用法
這兩個結構都用于表達“程度與結果”的關系，但含義和用法截然不同。
1. enough...to...（足夠……以至于……）
表示“達到某種程度，能夠做某事”，是肯定意義。
結構：
- 形容詞/副詞 + enough + to do sth
- enough + 名詞 + to do sth
例句：
- He is old enough to drive. （他年齡足夠大，可以開車了。）
- She runs fast enough to win the race. （她跑得足夠快，能贏得比賽。）
- We have enough time to finish the project. （我們有足夠的時間完成這個項目。）
否定形式：not enough...to...（不夠……以至于不能……）
- The boy is not tall enough to reach the shelf. （這個男孩不夠高，夠不到架子。）
2. too...to...（太……以至于不能……）
表示“超出某種程度，導致無法做某事”，是否定意義。
結構：
- too + 形容詞/副詞 + to do sth
例句：
- He is too young to drive. （他太小了，不能開車。）
- The box is too heavy to carry. （這個箱子太重了，搬不動。）
- She was too tired to continue working. （她太累了，無法繼續工作。）
特殊情況：
- 如果句子主語和不定式（to do）的主語不同，可以加 for sb：
- The coffee is too hot for me to drink. （咖啡太燙了，我沒法喝。）
3. 對比 enough...to... 和 too...to...
| 結構 | 含義 | 例句 |
| enough...to... | 足夠……可以…… | She is strong enough to lift the box. |
| too...to... | 太……以至于不能…… | She is too weak to lift the box. |
4. 常見考點
1. enough 的位置：
- 形容詞/副詞后（old enough）
- 名詞前（enough money）
2. too...to... 本身就含否定，不能再加 not：
- He is too not old to drive. （錯誤）
- He is too young to drive. （正確）
3. so...that... 替換：
- He is too tired to walk.
= He is so tired that he can’t walk.
語法知識精練
一、單項選擇（每小題2分，滿分80分）
1．He was too _______ to cut himself with the knife.
A．careful B．carefully C．careless D．care
【答案】C
【詳解】句意：他太粗心了，以至于用刀割傷自己了。A.careful小心的，形容詞；B.carefully仔細地，副詞；C.careless不小心的，不仔細的， 粗心的，形容詞；D.care照料，照顧，動詞。根據too后面跟形容詞或副詞，該句的動詞是be動詞，此處用形容詞而不接副詞。故排除B和D；根據句意可知，此空是不小心的，不仔細的， 粗心的意思，故排除A，故選C。
2．—What do you think of this idea
—I think it’s ________ difficult ________ keep.
A．too, to B．so, that C．enough, to D．to, to
【答案】A
【詳解】句意：——你覺得這個主意怎么樣？——我認為它太難保存了。
考查短語辨析。too...to...太……而不能，to后接短語；so...that...如此……以至于……，that后接句子；enough...to...足夠……做……。空后是keep，不是句子，故排除B；根據“difficult”和“What do you think of this idea”可知，是太難得保存，故選A。
3．—During this hard time, it is ________ to have lots of food to eat.
—Yeah, I agree. We really shouldn’t complain too much.
A．good enough B．bad enough C．too good D．too bad
【答案】A
【詳解】句意：——在這么艱難的時期，能有足夠的食物已經非常好了。——是的，我認同。我們不應該抱怨太多。
考查形容詞辨析和enough用法。good好的；bad壞的；too ... to ...太……以至于不能……；enough...to...足夠……。根據“to have lots of food to eat”可知，有足夠的食物很好，形容詞置于enough之前，故選A。
4．Someone was throwing rocks at a duck in the park, but I was not ________ to tell him to stop doing it.
A．enough brave B．brave enough C．bravely enough D．enough bravely
【答案】B
【詳解】句意：有人在公園里朝鴨子扔石頭，但我不夠勇敢去阻止他做這件事。
考查enough和形容詞的用法。brave勇敢的，形容詞；bravely勇敢地，副詞。空處位于was后，且修飾人，用形容詞作表語；enough修飾形容詞時需后置。故選B。
5．Sandy is ________ to notice small changes around her.
A．careful enough B．too careful C．carefully enough D．too carefully
【答案】A
【詳解】句意：桑迪非常細心，能注意到她周圍的小變化。
考查形容詞及enough后置。careful細心的，形容詞；carefully細心地，副詞。分析句子結構可知，is后應用形容詞careful作表語；根據“Sandy is…to notice small changes around her.”的語境可知，此處指桑迪非常細心，能注意到變化，too…to“太……而不能”，與語境相矛盾，所以A項符合。故選A。
6．—How was your football match
—I don’t even want to talk about it. We played ________ to win it.
A．bad enough B．badly enough C．too badly D．too bad
【答案】C
【詳解】句意：——你們的足球比賽怎么樣？——我甚至不想談論它，我們踢得太糟糕了，以至于贏不了。
考查固定短語too...to...。bad壞的，形容詞； badly壞地，糟糕地，副詞；enough足夠的/足夠地，形容詞/副詞；too太，副詞；too+形容詞/副詞+to do sth.太……以至于不能做某事；形容詞/副詞+ enough+to do sth.足夠……而可以做某事；分析句子可知，此處修飾動詞played，應使用副詞；根據“I don’t even want to talk about it.”可知，我甚至不想談論它，由此說明，我們踢得太糟糕了，以至于沒有贏。此處使用句式：too+副詞+to do sth.太……以至于不能做某事，符合語境。故選C。
7．James was not ________ to pass the exam. He failed in the text.
A．too lucky B．so luckily C．luckily enough D．lucky enough
【答案】D
【詳解】句意：詹姆斯沒有足夠的運氣通過考試。他考試不及格。
考查形容詞用法及副詞enough的用法。lucky幸運的，形容詞；luckily幸運地，副詞；too lucky太幸運；too...to...太……以至于不……；so luckily如此幸運地；luckily enough足夠幸運地；lucky enough足夠幸運的；enough作副詞時，意為“足夠地”，可修飾形容詞和副詞，但必須后置；enough...to... 足夠……去做……；not enough...to...沒有足夠……去做……；分析句子結構可知，此處是在系動詞was之后，應使用形容詞作表語，因此要使用lucky。故選D。
8．She is________ to________ the basket.
A．tall enough; reach to B．enough tall; reach
C．tall enough; reach D．enough tall; reach to
【答案】C
【詳解】句意：她足夠高，能夠到籃子。
考查enough的用法。“足夠……能做……”用“be+形容詞+enough to do sth”結構來表示；“足夠高”用tall enough來表示；reach是及物動詞，因此第二空reach符合句意；故選C。
9．I joined in the dancing to show that I am ________ to do something I’m not good at.
A．brave enough B．shy enough C．too brave D．too shy
【答案】A
【詳解】句意：我參加舞會是為了表明我有足夠的勇氣去做我不擅長的事情。
考查形容詞辨析和短語辨析。enough...to...足夠……而做某事；too...to...太……而不能……；brave勇敢的；shy害羞的。根據“I joined in the dancing”和“do something I’m not good at”可知，做不擅長的事是足夠勇敢的；故選A。
10．If you want to do something, work for it. Life is ________ short ________ wait.
A．too, to B．so, that C．such, that D．enough, to
【答案】A
【詳解】句意：如果你想做什么，就努力去做。生命太短暫，不能等待。
考查非謂語動詞。too+形容詞/副詞+to do sth“太……而不做某事”，so+形容詞/副詞+that+從句“如此……以至于……”，such+形容詞+復數名詞/不可數名詞+that+從句“如此……以至于……”，形容詞/副詞+enough+to do sth“足夠……做某事”，第二空后是動詞原形，因此排除BC兩項；enough修飾形容詞short時，要后置，排除D，故選A。
11．The box is ________ heavy for the girl ________ carry. Let’s help her.
A．so; that B．such; that C．too; to D．enough; to
【答案】C
【詳解】句意：這個箱子太重了，這個女孩搬不動。讓我們幫助她。
考查不定式作結果狀語。so…that如此……以致，that后面要跟從句；scuh…that如此……以致，that后面要跟從句；too…to太……而不能，to后跟動詞原形；enough...to足夠……做某事。根據“The box is...heavy for the girl...carry.”可知，箱子太重了以致于女孩搬不動，用too...to結構。故選C。
12．—How great your New Year’s resolutions are!
—But sometimes I think they are ______ difficult ______ keep.
A．such; to B．so; that C．too; to D．enough; to
【答案】C
【詳解】句意：——你的新年決心多么偉大啊！——但有時我覺得它們太難了而不能堅持。
考查短語辨析。enough...to...足夠……以至于能；too...to...太……而不能……；so...that...和such...that...如此 以至于……，that后接從句。根據“they are...difficult...keep”可知，此處說的是“太難了而不能堅持”，應用too...to...的結構，故選C。
13．This new movie is ______ educational ______ I want to see it again.
A．so; that B．such; that C．too; to D．enough; to
【答案】A
【詳解】句意：這部新電影很有教育意義，所以我想再看一遍。
考查結果狀語從句。so...that...太……以致于……，so修飾形容詞或副詞；such...that...如此……以致于……，such修飾名詞；too...to...太……而不能……，后跟動詞不定式；enough...to...足夠……去做……，后跟動詞不定式。根據“This new movie is...educational...I want to see it again.”可知，此處表示新電影很有教育意義，以致于想再看一遍。第一空后educational是形容詞，第二空后是句子，空處應用so...that...引導結果狀語從句。故選A。
14．She is ________ young ________ she can’t look after herself.
A．so；that B．too；to C．enough；to D．such；that
【答案】A
【詳解】句意：她太年幼了，不能照顧自己。
考查結果狀語從句。so...that如此……以至于……，修飾形容詞/副詞；too...to...太……而不能……；enough...to...足夠……去做……；such...that如此……以至于……，修飾名詞。根據“She is… young …she can’t look after herself.”可知，太年幼了以至于不能照顧自己，應用so...that。故選A。
15．—Why didn’t you write down what the teacher said
—He spoke ________ fast ________ I didn’t follow him.
A．such, that B．enough, to C．so, that D．too, to
【答案】C
【詳解】句意：——你為什么不把老師說的話寫下來？——他說得太快了，我都沒跟上他。
考查結果狀語從句。such a/an adj. n. that一個如此……的……以至于；adj./adv. enough to...足夠……做某事；so adj./adv. that如此……以至于；too adj./adv. to do sth.太……而不能。根據“spoke...fast...I didn’t follow him”可知是說得太快沒有跟上，用結構so adv. that...。故選C。
16．I am tired walk farther. Please let me have a rest.
A．so; that B．too; to C．such; that D．enough; to
【答案】B
【詳解】句意：我太累了，走不動了。請讓我休息一下。
考查too...to結構。so adj. that+從句：如此……以至于……；too adj. to do sth.：太……而不能做某事；such n. that+從句：如此的……以至于…… ；enough adj. to do sth. 足夠……做某事。根據“tired...walk farther...let me have a rest”可知此處指太累了，走不動了，用結構too adj. to do sth.。故選B。
17．Grace is ________ tired ________ go out. She just wants to stay at home.
A．as; so B．too; to C．enough; to D．so; that
【答案】B
【詳解】句意：格蕾絲太累了，而不想出去了。她只想待在家里。
考查短語辨析。as...so...隨著……也就……；too...to...太……而不能；enough...to...足夠……做某事；so...that...如此……以至于……，that后跟從句。空后是動詞短語，結合“She just wants to stay at home.”可知，應是太累了不想出去，故選B。
18．The food is delicious everyone in the room enjoys it.
A．such; that B．too; to C．so; that D．enough; to
【答案】C
【詳解】句意：食物很好吃，房間里的每個人都喜歡吃。考查連詞辨析。A. such+（a/an）+形容詞+名詞+ that+句子：如此…以至于…；B. too+形容詞或副詞+to+ do sth.：太…而不能做…；C. so+形容詞或副詞+ that+從句：如此…以至于….；D. 形容詞副詞+enough+ to do sth.：足夠…以至于…。delicious是形容詞，“everyone in the room enjoys it”是句子，結合句意可知選C。
19．The little girl was too ________ to ________ after the others.
A．slow; running B．slow; run C．slower; running D．slower; run
【答案】B
【詳解】句意：這個小女孩跑得太慢，跟不上其他人。
考查形容詞以及非謂語動詞的用法。too+形容詞+to+動詞原形，表示“太……而不能……”，所以第一空填slow；第二空填run，故選B。
20．Jimmy’s father was ________ tired last night ________ he fell asleep as soon as he lay down.
A．so; that B．too; to C．enough; to D．such; that
【答案】A
【詳解】句意：吉米的父親昨晚太累了，他一躺下就睡著了。
考查結果狀語從句。so...that如此……以致于，so后接形容詞/副詞；too...to太……而不能，to后接動詞原形；enough...to足夠……，to后接動詞原形；such...that如此……以致于，such后接名詞。根據tired可排除D項；第二空后是句子，可排除BC項。故選A。
21．The trip in Shanghai is ________ wonderful ________ I would like to visit it again some day.
A．such; that B．so; that C．too; to D．enough; to
【答案】B
【詳解】句意：上海之旅太棒了，我想有一天再去一次。
考查結果狀語從句。such...that...如此……以至于……（such修飾名詞）；so...that...如此……以至于……（so修飾形容詞或副詞）；too...to...太……而不能……；enough...to...足夠……去做某事。分析題干可知，此處表示上海之旅是如此的棒以至于“我”想再去一次。wonderful是形容詞，要用so修飾。故選B。
22．This passage is not ________ for you ________ understand.
A．easy enough; for B．enough easy; for C．easy enough; to D．enough easy; to
【答案】C
【詳解】句意：這篇文章對你來說不夠容易理解。
考查enough用法和動詞不定式作結果狀語。easy容易的，形容詞；enough足夠地，副詞，修飾形容詞時置于形容詞之后，排除B和D。分析句子結構可知，此處考查not adj. enough to do sth.“不足夠……做某事”，所以第二空處應用動詞不定式to understand作結果狀語，排除A。故選C。
23．The trip in Beijing is ________ wonderful ________ I would like to visit it again some day.
A．such; that B．too; to
C．so; that D．enough; to
【答案】C
【詳解】句意：北京之行如此精彩以至于我想有一天再去一次。
考查狀語從句用法。such...that如此……以至于，such后修飾名詞；too...to...太……而不能……；so...that...如此……以至于……，so后跟形容詞或副詞；enough...to..足夠……去做……。根據“...I would like to visit it again some day.”可知，第二個空需that，故排除選項B和D。wonderful為形容詞，需so。故需so...that...來引導結果狀語從句。故選C。
24．Lin Shuhao is ________ famous ________ all the basketball fans in China know him.
A．too; to B．enough; to C．so; that D．to; too
【答案】C
【詳解】句意：林書豪非常有名，中國所有的籃球迷都知道他。
考查結果狀語從句的用法。分析可知，“中國所有的籃球迷都知道他”是“林書豪非常有名”的結果，所以此處應用so...that...引導結果狀語從句，表示“如此……以至于……”。故選C。
25．—Mr. Black is ________ busy ________ he has little time for his wife and his children.
—What a poor man! He really needs a good rest.
A．so; that B．enough; to C．too; to D．such; that
【答案】A
【詳解】句意：——布萊克先生是如此忙碌，以至于他幾乎沒有時間陪他的妻子和孩子。——真是個可憐的人！他真的需要好好休息一下。
考查結果狀語從句。so...that... 如此……以至于……，引導結果狀語從句；enough... to...足夠……以至于……，后接動詞原形；too... to... 太……而不能……，后接動詞原形；such... that... 如此……以至于……，引導結果狀語從句。根據“he has little time for his wife and his children. ”可知，此處表達 “如此忙碌以至于沒有時間陪他的妻子和孩子”。故選A。
26．—Some people talked and laughed ________ loudly in the cinema ________ we couldn’t hear the movie clearly at all.
—They are in bad manners.
A．too; to B．so; that C．such; that D．enough; to
【答案】B
【詳解】句意：——有些人在電影院里大聲說笑，以至于我們根本聽不清楚電影。——他們不禮貌。
考查連詞。too...to太……而不能，to后跟不定式；so...that太……以至于（so后接形容詞或副詞）；such...that如此……以至于（such后接名詞）；enough...to，足夠……去做，to后跟動詞不定式。根據“Some people talked and laughed...loudly in the cinema...we couldn’t hear the movie clearly at all.”可知，有人在電影院里大聲說笑，以至于看電影的人聽不清電影在講什么。loudly是副詞，此處應用so...that。故選B。
27．—What do you think of the movie Howl’s Moving Castle
—It’s ________ wonderful ________ I want to watch it again.
A．too; to B．such; that C．so; that D．enough; to
【答案】C
【詳解】句意：——你認為《哈爾的移動城堡》這部電影怎么樣？——它如此精彩以致我想再看一次。
考查結果狀語從句。too; to太……而不……；such; that如此……以致……；so; that如此……以致……；enough; to足夠……去做……。根據“...I want to watch it again.”可知，此處表示電影很精彩以致“我”還想再看。再根據形容詞“wonderful”可知，此處應用“so+形容詞/副詞+that-從句”。故選C。
28．On my way home there was ________ a heavy rain ________ I can’t move quickly yesterday afternoon.
A．so; that B．such; that C．enough; to D．too; to
【答案】B
【詳解】句意：昨天下午，在我回家的路上雨下得太大了，我走不快。
考查結果狀語從句。so...that...（so后接形容詞或副詞）如此……以至于……；such...that...（such后接名詞）如此……以至于……；enough...to...足夠……做某事；too...to...太……而不能……。根據“a heavy rain”和“I can’t move quickly”可知，雨下得太大了，所以走不快。“a heavy rain”是名詞，此處應用such...that...。故選B。
29．John was ________ tired ________ work anymore yesterday.
A．enough; to B．so; that C．such; that D．too; to
【答案】D
【詳解】句意：約翰昨天太累了，不能再工作了。
考查短語辨析。enough...to 足夠……去做……，to后跟動詞原形；so... that 如此……以至于……，that后跟句子；such...that 如此……以至于……，that后跟句子；too...to...太……而不能……，to后跟動詞原形。根據“...tired... work anymore ”可知，表示“太累了而不能再工作”，符合語境的結構是“too…to…”。故選D。
30．—Have you seen the movie Article 20 (第二十條) during the spring festival in 2024
—Yes. It is ________a wonderful film ________ I have seen it twice.
A．so; that B．such; that C．too; to D．enough; to
【答案】B
【詳解】句意：——你看過2024年春節檔的電影《第二十條》嗎？——看過。這是一部如此精彩的電影，我已經看過兩次了。
考查狀語從句。so…that如此……以至于；such…that如此……以至于；too…to太……而不能；enough…to足夠……去做……。根據“It is…a wonderful film…I have seen it twice.”可知，這是一部如此精彩的電影以至于我已經看過兩次了，又結合“a wonderful film”可知，符合結構“such a/an+adj.+n.+that”引導的結果狀語從句，故選B。
31．—What was the weather like yesterday
—It was terrible. It rained ________ hard ________ people couldn’t go out.
A．such; that B．so; that C．too; to D．enough; to
【答案】B
【詳解】句意：——昨天的天氣怎么樣？——太可怕了。雨下得很大，人們不能出去。
考查狀語從句。such…that如此……以至于，such接名詞；so…that如此……以至于，so接形容詞或副詞；too…to太……而不能，其中to應該接動詞；enough…to足夠……去做……。根據“It rained…hard…people couldn’t go out.”可知，應該說雨如此大，以至于人們不能出去，hard為副詞，第二空后是句子，故選B。
32．—How great your New Year’s resolutions are!
—But sometimes I think they are ________ difficult ________ keep.
A．very; to B．so; that C．too; to D．enough; to
【答案】C
【詳解】句意：——你的新年決心多么偉大啊！——但有時我覺得它們太難了而不能堅持。
考查短語辨析。very…to…非常……以至于……；so...that...如此 以至于……，that后接從句；too...to...太……而不能……，to后給你動詞原形；enough...to...足夠……以至于能。根據“they are...difficult...keep”可知，此處說的是“太難了而不能堅持”，應用too...to...的結構，故選C。
33．There are so many people on the bus. We don’t have ________ stand in.
A．enough space for B．space enough for C．many space for D．enough space to
【答案】D
【詳解】句意：公共汽車上有這么多人。我們沒有足夠的空間站進去。
考查enough的用法。根據“There are so many people on the bus.”結合語境可知，此處應指沒有足夠的空間站進去，enough+名詞+to do“有足夠的……去做某事”，enough修飾名詞可前可后。故選D。
34．Let’s leave the problem until tomorrow. I’m ______ tired ______ think about it.
A．too; to B．so; that
C．enough; to D．such; too
【答案】A
【詳解】句意：我們把這個問題留到明天吧。我太累了，沒法去想它。
考查詞義辨析。too..to...太……而不能……；so...that...太……以至于……；enough...to...足夠……去做……；such...too...錯誤表達。根據“Let’s leave the problem until tomorrow. I’m...tired...think about it.”可知，因為太累了而無法去思考這個問題，所以把這個問題留到明天。故選A。
35．The book is _________ for us children _________ and it’s also fun.
A．hard enough; reading B．enough hard; read C．easy enough; to read D．enough easy; to read
【答案】C
【詳解】句意：這本書對我們孩子來說足夠簡單去閱讀，而且也很有趣。
考查enough和非謂語動詞用法。hard enough足夠難；easy enough足夠簡單。“enough”修飾形容詞時，需放在形容詞后，排除B和D；根據“and it’s also fun”可知，書適合孩子讀，第一空用“easy enough”，后接不定式“to read”。故選C。
36．Kate, I’m ________ tired ________ walk anymore. Let’s have a rest.
A．so; that B．such; that C．enough; to D．too; to
【答案】D
【詳解】句意：凱特，我太累了，不能再走了。咱們休息一下吧。
考查too...to do結構。so...that...如此……以至于……，so修飾形容詞或副詞，用于引導結果狀語從句；such...that...如此……以至于……，such修飾名詞，用于引導結果狀語從句；enough...to...足夠……以至于能夠……，enough修飾形容詞放在形容詞后面；too...to...太……而不能……。根據“Let’s have a rest.”可知，是太累了要休息一下，tired 為形容詞，因此用結構“too+adj./adv.+to do sth.”，表達太累不能走了。故選D。
37．Daniel is ________ to offer help ________ all of us.
A．humorous enough ; to B．enough humour; for
C．kind enough; to D．enough kind ; for
【答案】C
【詳解】句意：丹尼爾非常善良，愿意幫助我們所有人。
考查enough的用法和固定搭配。enough作為副詞修飾形容詞時，需放在被修飾詞后面。kind enough“足夠善良”，符合句意；offer sth to sb“向某人提供某物”，固定短語，第二空填to。故選C。
38．My brother is too young to go to school.
A．not old enough to B．too old C．younger D．elder
【答案】A
【詳解】句意：我的弟弟太小了，不能去上學。
考查同義句轉換。not old enough to年齡不夠大，不能；too old太老；younger更年輕；elder年長的。由“too young to”可知，太小不能去上學，與A選項同義。故選A。
39．As an adult, he must work ________ to earn ________ to support his family.
A．hardly enough; enough money B．enough hard; enough money
C．hard enough; money enough D．hard enough; enough money
【答案】D
【詳解】句意：作為一個成年人，他必須足夠努力地工作，掙足夠多的錢撫養他的家庭。
考查enough用法。hardly enough幾乎不夠；enough hard錯誤表達；hard enough足夠努力；enough money足夠的錢；money enough錯誤表達。enough修飾副詞和形容詞時，用于副詞和形容詞之后；修飾名詞時，用于名詞之前。分析句子結構和選項可知，第一空應用hard enough，作狀語，修飾動詞work；第二空應用enough money，作動詞earn的賓語，其中enough作定語，修飾名詞money。故選D。
40．—Be careful, don’t stay too ________ to the tigers when taking photos, Jim.
—Few can realize the danger ________ accidents happen.
A．closely; unless B．closely; when C．close; if D．close; until
【答案】D
【詳解】句意：——小心，吉姆，拍照時不要離老虎太近。——直到事故發生人們才能意識到危險。
考查形容詞以及連詞辨析。closely仔細地；close接近的。根據“don’t stay too … to the tigers”可知，此處指不要靠老虎太近，排除A和B選項。if如果；until直到。根據“Few can realize the danger … accidents happen”可知，直到事故發生才會意識到危險，故選D。學校:___________姓名：___________班級：___________考號：___________
Unit 5 Good Manners
重點語法：enough...to...和too...to...的用法精講練
語法知識精講
enough...to... 和 too...to... 的用法
這兩個結構都用于表達“程度與結果”的關系，但含義和用法截然不同。
1. enough...to...（足夠……以至于……）
表示“達到某種程度，能夠做某事”，是肯定意義。
結構：
- 形容詞/副詞 + enough + to do sth
- enough + 名詞 + to do sth
例句：
- He is old enough to drive. （他年齡足夠大，可以開車了。）
- She runs fast enough to win the race. （她跑得足夠快，能贏得比賽。）
- We have enough time to finish the project. （我們有足夠的時間完成這個項目。）
否定形式：not enough...to...（不夠……以至于不能……）
- The boy is not tall enough to reach the shelf. （這個男孩不夠高，夠不到架子。）
2. too...to...（太……以至于不能……）
表示“超出某種程度，導致無法做某事”，是否定意義。
結構：
- too + 形容詞/副詞 + to do sth
例句：
- He is too young to drive. （他太小了，不能開車。）
- The box is too heavy to carry. （這個箱子太重了，搬不動。）
- She was too tired to continue working. （她太累了，無法繼續工作。）
特殊情況：
- 如果句子主語和不定式（to do）的主語不同，可以加 for sb：
- The coffee is too hot for me to drink. （咖啡太燙了，我沒法喝。）
3. 對比 enough...to... 和 too...to...
| 結構 | 含義 | 例句 |
| enough...to... | 足夠……可以…… | She is strong enough to lift the box. |
| too...to... | 太……以至于不能…… | She is too weak to lift the box. |
4. 常見考點
1. enough 的位置：
- 形容詞/副詞后（old enough）
- 名詞前（enough money）
2. too...to... 本身就含否定，不能再加 not：
- He is too not old to drive. （錯誤）
- He is too young to drive. （正確）
3. so...that... 替換：
- He is too tired to walk.
= He is so tired that he can’t walk.
語法知識精練
一、單項選擇（每小題2分，滿分80分）
1．He was too _______ to cut himself with the knife.
A．careful B．carefully C．careless D．care
2．—What do you think of this idea
—I think it’s ________ difficult ________ keep.
A．too, to B．so, that C．enough, to D．to, to
3．—During this hard time, it is ________ to have lots of food to eat.
—Yeah, I agree. We really shouldn’t complain too much.
A．good enough B．bad enough C．too good D．too bad
4．Someone was throwing rocks at a duck in the park, but I was not ________ to tell him to stop doing it.
A．enough brave B．brave enough C．bravely enough D．enough bravely
5．Sandy is ________ to notice small changes around her.
A．careful enough B．too careful C．carefully enough D．too carefully
6．—How was your football match
—I don’t even want to talk about it. We played ________ to win it.
A．bad enough B．badly enough C．too badly D．too bad
7．James was not ________ to pass the exam. He failed in the text.
A．too lucky B．so luckily C．luckily enough D．lucky enough
8．She is________ to________ the basket.
A．tall enough; reach to B．enough tall; reach
C．tall enough; reach D．enough tall; reach to
9．I joined in the dancing to show that I am ________ to do something I’m not good at.
A．brave enough B．shy enough C．too brave D．too shy
10．If you want to do something, work for it. Life is ________ short ________ wait.
A．too, to B．so, that C．such, that D．enough, to
11．The box is ________ heavy for the girl ________ carry. Let’s help her.
A．so; that B．such; that C．too; to D．enough; to
12．—How great your New Year’s resolutions are!
—But sometimes I think they are ______ difficult ______ keep.
A．such; to B．so; that C．too; to D．enough; to
13．This new movie is ______ educational ______ I want to see it again.
A．so; that B．such; that C．too; to D．enough; to
14．She is ________ young ________ she can’t look after herself.
A．so；that B．too；to C．enough；to D．such；that
15．—Why didn’t you write down what the teacher said
—He spoke ________ fast ________ I didn’t follow him.
A．such, that B．enough, to C．so, that D．too, to
16．I am tired walk farther. Please let me have a rest.
A．so; that B．too; to C．such; that D．enough; to
17．Grace is ________ tired ________ go out. She just wants to stay at home.
A．as; so B．too; to C．enough; to D．so; that
18．The food is delicious everyone in the room enjoys it.
A．such; that B．too; to C．so; that D．enough; to
19．The little girl was too ________ to ________ after the others.
A．slow; running B．slow; run C．slower; running D．slower; run
20．Jimmy’s father was ________ tired last night ________ he fell asleep as soon as he lay down.
A．so; that B．too; to C．enough; to D．such; that
21．The trip in Shanghai is ________ wonderful ________ I would like to visit it again some day.
A．such; that B．so; that C．too; to D．enough; to
22．This passage is not ________ for you ________ understand.
A．easy enough; for B．enough easy; for C．easy enough; to D．enough easy; to
23．The trip in Beijing is ________ wonderful ________ I would like to visit it again some day.
A．such; that B．too; to
C．so; that D．enough; to
24．Lin Shuhao is ________ famous ________ all the basketball fans in China know him.
A．too; to B．enough; to C．so; that D．to; too
25．—Mr. Black is ________ busy ________ he has little time for his wife and his children.
—What a poor man! He really needs a good rest.
A．so; that B．enough; to C．too; to D．such; that
26．—Some people talked and laughed ________ loudly in the cinema ________ we couldn’t hear the movie clearly at all.
—They are in bad manners.
A．too; to B．so; that C．such; that D．enough; to
27．—What do you think of the movie Howl’s Moving Castle
—It’s ________ wonderful ________ I want to watch it again.
A．too; to B．such; that C．so; that D．enough; to
28．On my way home there was ________ a heavy rain ________ I can’t move quickly yesterday afternoon.
A．so; that B．such; that C．enough; to D．too; to
29．John was ________ tired ________ work anymore yesterday.
A．enough; to B．so; that C．such; that D．too; to
30．—Have you seen the movie Article 20 (第二十條) during the spring festival in 2024
—Yes. It is ________a wonderful film ________ I have seen it twice.
A．so; that B．such; that C．too; to D．enough; to
31．—What was the weather like yesterday
—It was terrible. It rained ________ hard ________ people couldn’t go out.
A．such; that B．so; that C．too; to D．enough; to
32．—How great your New Year’s resolutions are!
—But sometimes I think they are ________ difficult ________ keep.
A．very; to B．so; that C．too; to D．enough; to
33．There are so many people on the bus. We don’t have ________ stand in.
A．enough space for B．space enough for C．many space for D．enough space to
34．Let’s leave the problem until tomorrow. I’m ______ tired ______ think about it.
A．too; to B．so; that
C．enough; to D．such; too
35．The book is _________ for us children _________ and it’s also fun.
A．hard enough; reading B．enough hard; read C．easy enough; to read D．enough easy; to read
36．Kate, I’m ________ tired ________ walk anymore. Let’s have a rest.
A．so; that B．such; that C．enough; to D．too; to
37．Daniel is ________ to offer help ________ all of us.
A．humorous enough ; to B．enough humour; for
C．kind enough; to D．enough kind ; for
38．My brother is too young to go to school.
A．not old enough to B．too old C．younger D．elder
39．As an adult, he must work ________ to earn ________ to support his family.
A．hardly enough; enough money B．enough hard; enough money
C．hard enough; money enough D．hard enough; enough money
40．—Be careful, don’t stay too ________ to the tigers when taking photos, Jim.
—Few can realize the danger ________ accidents happen.
A．closely; unless B．closely; when C．close; if D．close; until

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