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Unit 8 Let's Communicate! 語法(if 引導(dǎo)的條件狀語從句)講解課件和鞏固練習(xí)(含答案)【人教版2024八上英語】

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Unit 8 Let's Communicate! 語法(if 引導(dǎo)的條件狀語從句)講解課件和鞏固練習(xí)(含答案)【人教版2024八上英語】

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/ 讓教學(xué)更有效 英語學(xué)科
Unit 8 Let's Communicate! if 引導(dǎo)的條件狀語從句
語法鞏固練習(xí)及答案
一、單項選擇
1.If it______tomorrow, we_______to the park.
A.doesn't rain; will go B. won't rain; go C. doesn't rain; go
2.You'll be late for school________you don't get up early.
A.if B. when C. before
3.If you________to the party, you'll have a great time.
A.go B. will go C. goes
4.I'll call you if he________back.
A.come B. comes C. will come
5.If you________careful with your words, texting can be a good way to communicate.
A.are B. will be C. were
6.If she________this dress, she_______look more beautiful.
A.wears; will B. will wear; will C. wears; is going to
7.We_______have a picnic if the weather______fine.
A.will; is B. will; will be C. are going to; will be
8.If you_____me, I'll give you some advice.
A.will listen to B. listen to C. listened to
9.The students will go to the zoo if it_____ tomorrow.
A.won't rain B. doesn't rain C. not rain
10.If you want to make more friends, you______be more outgoing.
A.should B. will C. are going to
二、用所給單詞的適當形式填空
1.If it______(be) sunny tomorrow, we______(go) hiking.
2.She______(call) you if she_______(have) time.
3.If you______(not study) hard, you______(not pass) the exam.
4.They_______(visit) the museum if they_______(have) free time.
5.If you_______(help) others, others______(help) you.
6.He______(be) happy if you______(give) him a present.
7.If it______(rain) tomorrow, we________(stay) at home.
8.We_______(go) to the movies if we_______(finish) our homework early.
9.If she______(not come) to the party, we______(be) very disappointed.
10.You_______(get) good grades if you_______(work) hard.
三、按要求完成句子
1.If you study hard, you'll pass the exam.(改為否定句)
______you______study hard, you_______pass the exam.
2.We'll go for a picnic if it's sunny tomorrow.(對劃線部分提問)
_____ ______you_______if it's sunny tomorrow
3.If he comes, I'll tell him the news.(改為一般疑問句)
_______you______him the news if he_______
4.They will visit the Great Wall if they come to Beijing.(用be going to 改寫句子)
They______ _______ _______visit the Great Wall if they come to Beijing.
5.If you don't hurry, you'll be late.(改為同義句)
_______,_______you'll be late.
四、閱讀理解
閱讀短文,根據(jù)短文內(nèi)容選擇正確答案。
If you want to make friends, what should you do Steps:
★Try to look on the bright side of things.
★L(fēng)ook for groups in your area that do something you are interested in. Maybe you will learn some new skills and meet some people who have many things in common with you.
★Contact your friends at least once a week by telephone or e-mail, or by visiting them to find out how they are. Remember important things about them, like birthdays and weddings.
★If you have an argument with your friends, say sorry first.
★Remember never to leave old friends just because you have made some new ones.
★L(fēng)isten to others carefully. It's better to be a good listener.
★Be different. Don't try to change others through your own ideas. Warnings:
★Never ask or give away(泄露)a friend's secret.
★Don't be afraid to stand up for what is right.
★You'd better not give your ID number, phone number or your home address to people that you have just made friends with.
1.Why is it good to look for groups in your area
A. Because it isn't far.
B. Because it is a rule in your area.
C. Because you can make some friends with the same interests.
2.The underlined word “Contact” means “______” in Chinese.
A. 聯(lián)系 B. 關(guān)系 C. 關(guān)聯(lián)
3.If you are somebody's good friend, you should________.
①try to know his or her secrets
②support him or her when he or she is right
③keep in touch with him or her often
④try to change him or her with your own ideas
A. ①② B. ②③ C. ②④
4.Which of the following is NOT right according to the passage
A. Listen to your friends carefully and keep their secrets.
B. To keep in touch with your new friends, you'd better tell them your phone number.
C. If you have an argument with your good friend, you'd better say sorry to him or her first.
5.What's the best title for the passage
A. What Is Real Friendship
B. Where to Meet New Friends
C. How to Make Friends
五、寫作
以 “If I Have a Lot of Money” 為題,寫一篇短文。要求:使用 if 引導(dǎo)的條件狀語從句,描述你有錢之后的計劃和行動,80 詞左右。
______________________________________________________________________________________________________________________________________________________________________________
______________________________________________________________________________________________________________________________________________________________________________
______________________________________________________________________________________________________________________________________________________________________________
______________________________________________________________________________________________________________________________________________________________________________
答案:
一、單項選擇
1.A。在if 引導(dǎo)的條件狀語從句中,遵循“主將從現(xiàn)” 原則,即主句用一般將來時(will + 動詞原形),從句用一般現(xiàn)在時。從句主語it 是第三人稱單數(shù),否定借助doesn't,動詞用原形 rain;主句用will go,所以選A。
2.A。“if” 表示“如果”,引導(dǎo)條件狀語從句;“when” 表示“當…… 時候”,引導(dǎo)時間狀語從句;“before”表示“在…… 之前”,引導(dǎo)時間狀語從句。這里表達“如果你不早起,你上學(xué)將會遲到”,是條件關(guān)系,用if,選A。
3.A。同樣遵循“主將從現(xiàn)” 原則,if 從句用一般現(xiàn)在時,主語是you,動詞用原形go,選A。
4.B。“if” 從句中,主語he 是第三人稱單數(shù),動詞用第三人稱單數(shù)形式comes,選B。
5.A。從句用一般現(xiàn)在時,主語是you,be 動詞用are,選A。
6.A。“if” 從句用一般現(xiàn)在時,主語 she 是第三人稱單數(shù),動詞 wear 用第三人稱單數(shù)形式 wears;主句用一般將來時will + 動詞原形,選A。
7.A。主句用一般將來時 will + 動詞原形,從句用一般現(xiàn)在時,主語the weather 是第三人稱單數(shù),be動詞用is,選A。
8.B。“if” 從句用一般現(xiàn)在時,主語是you,動詞用原形listen to,選B。
9.B。“if” 從句用一般現(xiàn)在時,主語it 是第三人稱單數(shù),否定借助doesn't,動詞用原形rain,選B。
10.A。“should” 表示“應(yīng)該”,這里表達“如果你想交更多的朋友,你應(yīng)該更外向”,選A。
二、用所給單詞的適當形式填空
1.is; will go。“if” 從句用一般現(xiàn)在時,主語it 是第三人稱單數(shù),be 動詞用is;主句用一般將來時will +動詞原形,所以填is; will go。
2.will call; has。“if” 從句用一般現(xiàn)在時,主語 she 是第三人稱單數(shù),動詞 have 用第三人稱單數(shù)形式has;主句用一般將來時will + 動詞原形,所以填will call; has。
3.don't study; won't pass。“if” 從句用一般現(xiàn)在時,主語是 you,否定借助 don't,動詞用原形 study;主句用一般將來時will + 動詞原形的否定形式won't + 動詞原形,所以填don't study; won't pass。
4.will visit; have。“if” 從句用一般現(xiàn)在時,主語 they 是復(fù)數(shù),動詞用原形 have;主句用一般將來時 will + 動詞原形,所以填will visit; have。
5.help; will help。“if” 從句用一般現(xiàn)在時,主語是 you,動詞用原形 help;主句用一般將來時will + 動詞原形,所以填help; will help。
6.will be; give。“if” 從句用一般現(xiàn)在時,主語是 you,動詞用原形 give;主句用一般將來時 will + 動詞原形,所以填will be; give。
7.rains; will stay。“if” 從句用一般現(xiàn)在時,主語 it 是第三人稱單數(shù),動詞 rain 用第三人稱單數(shù)形式rains;主句用一般將來時will + 動詞原形,所以填rains; will stay。
8.will go; finish。“if” 從句用一般現(xiàn)在時,主語是 we,動詞用原形 finish;主句用一般將來時 will + 動詞原形,所以填will go; finish。
9.doesn't come; will be。“if” 從句用一般現(xiàn)在時,主語 she 是第三人稱單數(shù),否定借助 doesn't,動詞用原形come;主句用一般將來時will + 動詞原形,所以填doesn't come; will be。
10.will get; work。“if” 從句用一般現(xiàn)在時,主語是you,動詞用原形 work;主句用一般將來時 will + 動詞原形,所以填will get; work。
三、按要求完成句子
1.If; don't; won't。“if” 引導(dǎo)的條件狀語從句變否定句,從句和主句分別否定。從句主語是 you,否定借助don't;主句用will 的否定形式won't,所以填I(lǐng)f; don't; won't。
2.What will; do。對 “go for a picnic” 提問,用 what,后接一般將來時的一般疑問句,把 will 提前,所以填What will; do。
3.Will; tell; comes。“if” 引導(dǎo)的條件狀語從句變一般疑問句,把主句的will 提前,從句用一般現(xiàn)在時,主語he 是第三人稱單數(shù),動詞come 用第三人稱單數(shù)形式comes,所以填Will; tell; comes。
4.are going to。“will” 和 “be going to” 都可表示將來,原句主語是 They,be 動詞用 are,所以填 are going to。
5.Hurry; or。“If you don't hurry, you'll be late.” 的同義句可以用 “祈使句 + or + 陳述句”,所以填 Hurry; or。
四、閱讀理解
1.C。根據(jù) “Look for groups in your area that do something you are interested in. Maybe you will learn some new skills and meet some people who have many things in common with you.” 可知,在當?shù)卣蚁嚓P(guān)團體可以結(jié)交有共同興趣的朋友,選C。
2.A。根據(jù) “Contact your friends at least once a week by telephone or e-mail, or by visiting them to find out how they are.” 可知,這里說的是通過電話、郵件或拜訪朋友來了解他們的情況,所以“Contact”是“聯(lián)系” 的意思,選A。
3.B。根據(jù) “Never ask or give away a friend's secret.” 可知①錯誤;根據(jù) “Don't be afraid to stand up for what is right.” 可知要支持朋友正確的事,②正確;根據(jù)“Contact your friends at least once a week by telephone or e-mail, or by visiting them to find out how they are.” 可知要經(jīng)常和朋友保持聯(lián)系,③正確;根據(jù)“Don't try to change others through your own ideas.” 可知④錯誤。所以選B。
4.B。根據(jù) “You'd better not give your ID number, phone number or your home address to people that you have just made friends with.” 可知,剛結(jié)交的朋友最好不要告訴他們你的電話號碼,B 選項錯誤,選 B。
5.C。文章主要介紹了交朋友的步驟和注意事項,即如何交朋友,選C。
五、寫作
If I Have a Lot of Money
If I have a lot of money, I will do many meaningful things. If I have enough money, I will buy a big house for my parents. They have worked hard for me, and I want them to live a comfortable life.
If I am rich, I will also help the poor. I will donate some money to the charities so that more children can go to school and have a better future.
In addition, if I have a lot of money, I will travel around the world. I can learn different cultures and make more friends. I believe my life will be more colorful if I have a lot of money.
21世紀教育網(wǎng)(www.21cnjy.com)(共12張PPT)
Unit 8 Let's Communicate!
八年級
人教2025秋

語法講解——if 引導(dǎo)的條件狀語從句
一、定義
if 引導(dǎo)的條件狀語從句,是表示主句動作發(fā)生所需條件的從句。在 Unit 8 中,主要用于討論在不同溝通情境下可能出現(xiàn)的情況以及相應(yīng)的結(jié)果,通過這種語法結(jié)構(gòu),能清晰地表達條件與結(jié)果之間的邏輯關(guān)系。
二、構(gòu)成形式
1.基本結(jié)構(gòu):if 引導(dǎo)的條件狀語從句由 “if + 從句,主句” 構(gòu)成。
例如:If you want to solve the problem, a face-to-face talk usually works the best.(如果你想解決問題,面對面交談通常是最好的方式。)
其中,“If you want to solve the problem” 是條件狀語從句,“a face-to-face talk usually works the best”是主句。
2.時態(tài)搭配(主將從現(xiàn)原則):在 if 引導(dǎo)的條件狀語從句中,當主句描述將來的情況時,主句用一般將來時(will + 動詞原形),從句用一般現(xiàn)在時表示將來。例如:
If it doesn't rain tomorrow, we will go for a picnic.
(如果明天不下雨,我們就去野餐。)
“If it doesn't rain tomorrow” 是從句,用一般現(xiàn)在時;
“we will go for a picnic” 是主句,用一般將來時。
3.特殊情況:當主句是祈使句或含有情態(tài)動詞(如 can, may, must 等)時,從句仍然用一般現(xiàn)在時。例如:
If you need help, call me.
(如果你需要幫助,打電話給我。)
主句是祈使句,從句用一般現(xiàn)在時;
If you can finish your work early today, you can go home.
(如果你今天能早點完成工作,你就可以回家。)
主句含有情態(tài)動詞can,從句用一般現(xiàn)在時。
三、用法
1.表達假設(shè)情況及結(jié)果:在討論溝通場景時,常通過 if 引導(dǎo)的條件狀語從句假設(shè)某種溝通情境,進而闡述在這種情境下會產(chǎn)生的結(jié)果。如 Texting can make things worse if you're not careful with your words.
(如果你在發(fā)信息時不注意言辭,可能會讓事情變得更糟。)
假設(shè)了發(fā)信息時不注意言辭這個條件,得出事情會變糟的結(jié)果。
2.提出建議和可能性:可以用來提出在特定條件下的建議或說明可能的情況。例如:
If you can't meet, just call your friend.
(如果你不能見面,就給你的朋友打電話。)
提出了不能見面這個條件下的建議。
3.表示因果關(guān)系:在一定程度上體現(xiàn)條件與結(jié)果之間的因果聯(lián)系。
如 If we can have a face-to-face meeting, I think we'll understand each other better.
(如果我們能進行面對面的交流,我想我們會更好地理解彼此。)
“面對面交流” 是條件,“更好地理解彼此” 是結(jié)果,兩者存在因果關(guān)系。
四、注意事項
1.if 從句位置:if 引導(dǎo)的條件狀語從句可以放在主句前,也可以放在主句后。
當 if 從句在主句前時,從句后要用逗號與主句隔開;當if 從句在主句后時,不用逗號隔開。
例如:If you stay calm and say sorry, it will help. = It will help if you stay calm and say sorry.
(如果你保持冷靜并道歉,這會有幫助。)
2.與其他引導(dǎo)詞引導(dǎo)的狀語從句區(qū)別:
if 引導(dǎo)的條件狀語從句與when 引導(dǎo)的時間狀語從句在用法上有相似之處,但 when 強調(diào)時間點或時間段,而if 強調(diào)條件。
例如:When I grow up, I will be a teacher.
(當我長大后,我會成為一名教師。) 強調(diào)時間;
If I study hard, I will pass the exam.
(如果我努力學(xué)習(xí),我會通過考試。)強調(diào)條件。
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