資源簡介 (共27張PPT)XB4U3. GrammarReview of the infinitive復習不定式At the end of the class, you will be able to:summarize and apply the infinitives in specific context.reinforce the rules of infinitives through various exercises.use the infinitive verb correctly and appropriately.Learning Objectives不定式的形式主動形式 被動形式 時間特征一般式 不定式的動作與句中謂語動詞的動作同時發生或在其后發生eg: I am eager to see you again.進行式 / 不定式的動作與句中謂語動詞的動作同時發生eg: They are said to be studying psychology.完成式 不定式的動作發生在句中謂語動詞的動作之前eg: He is said to have translated the book into English.to doto be doneto havebeen doneto be doingto have done否定形式:not/never to do1. I plan (attend) the meeting tomorrow.2. He seems (think) deeply, without noticing meoverpassing him.3. She pretended (read) the book when her teacherasked about it, even though she had only glanced at the cover.4. The airport_________________(complete) next year will helppromote tourism in this area.5. He claimed (treat) in the supermarketwhen he was doing shopping yesterday.Exerciseto attendto be thinkingto have readto have been badly treatedto be completed不定式的句法功能1. To complete the great map of the world was a strong passion for thepeople of early civilisations.2. Marco Polo’s tales inspired European explorers to search for searoutes from west to east.3. Merchants from China and many other places met to negotiate tradedeals.4. To reach out across the sea remains a strong desire today.5. The aim of this initiative is to encourage cooperation and trade acrossthe historic Silk Road areas.主語賓語補足語狀語主語表語Read the following sentences and analyze what functions the colored part serves as in each sentence.6. This will help to greatly develop the whole area for the benefit offuture trade and cultural exchange.7. There are still many other places left to explore.8. China has joined other nations on several expeditions to explore theArctic.9. There is an urgent need to study the Arctic in order to understandclimate change and its effects.10. The need to trade and the desire to enhance relationships will driveChina to reach out across the sea far into the future.賓語定語狀語定語定語;定語1.作定語(attribute)6.作表語(predicative)2.作狀語(adverbial)動詞不定式4.作賓補(object complement)5.作主語(subject)3.作賓語(object)to do做定語1. 抽象名詞后(ability, ambition, attempt, chance, courage, desire, decision等)2. 序數詞、形容詞最高級和the last/the only/the next等后或被這些詞修飾的名詞后5. 用在 have … to do 和 there be 中4. 當定語表示未來的還沒做的動作時位置:3. 代詞one和不定代詞后(nothing,something等)用法:邏輯主語:放在被修飾名詞或代詞后面所修飾的名詞或代詞目的狀語:原因狀語:結果狀語:sb+be+adj. +to do ...(表情緒或心理活動的adj)to do, in order to do, so as to do (不放句首 )1. enough to do,2. too...to do...,3. so/such... as to do4. only/never to do1. 不定式only to do與doing作結果狀語的區別:only to do: 意想不到的結果 v-ing: 順理成章的結果2.“主語 + be + 形容詞 + to do”不定式的主動形式表被動意義。用于此結構的形容詞有:easy, difficult, important, nice, pleasant, hard 等;且不定式和句子的主語是動賓關系。to do做狀語位置:用法:較靈活,句首,句中,句末注意事項1. 當主語是方法與建議、目標與計劃、夢想與愿望、職責的名詞時2. 以What引導的主語從句eg: What he wants is to solve the problem.3. 主語包含定語從句且先行詞為代詞all或主語被only, first, one, least , 最高級修飾eg: All he wanted was to be left alone.位置功能用法注意事項位于系動詞后說明或解釋主語的內容to do和v-ing作表語的區別:to do: 一次性、具體的 、將要發生的動作doing: 習慣性、抽象的 、經常發生的動作eg: The man’s job is painting walls.Her dream is to be an artist.to do做表語1. 位于句首,在謂語之前。(謂單)2. It 作形式主語, 真主不定式后置1. 疑問詞+to do 構成不定式短語,作主語It takes/costs/requires/ makes sb/sth...to do sthIt is + adj. + for/of sb. to do sth.It is + n. + (for sb.) to do sth.位置:To err is human.注意事項to do做主語2. to do和 v-ing作主語的區別:to do: 一次性、具體的 、將要發生的動作doing: 習慣性、抽象的 、經常發生的動作Where to hold the meeting is still unknown.1. 位于謂語之后。2. It 作形式賓語, 真賓不定式后置1. 疑問詞+to do 構成不定式短語,作賓語主語 + find / think / feel / make / consider / believe +it+ adj / n + to do sth位置:I don’t expect to meet you here.注意事項to do做賓語2. 熟記 to do和 v-ing作賓語的固搭Have you decided what to do next (熟記固搭:常用to do作賓語的動詞 口訣:P創新52)位于賓語之后。位置:to do做賓補用法:1. 命令、教導、要求、意向、允許、警告等意義的動詞后可接動詞不定式作賓語補足語ask / tell / invite / advise / allow / order / encourage / expect / force / wish / beg sb to do sth2. 表示意見、認可、判斷、料想、聲明等意義的動詞后的賓語補足語常是“to be”形式believe / consider / declare / find / prove / suppose / think sb/sth to be...1)動詞 + 賓語(sb./sth.) + to do sth.2)動詞+賓語+不帶to的不定式一感二聽三讓四看半幫助,主動不to 被動to3)with/without+賓語+賓補動詞+賓語+不帶to的不定式感官動詞使役動詞一感:feel二聽:hear, listen to四看:see, notice,watch, observe三讓:let, make, have◆但當以上的動詞用于被動式,to要還原:They saw the boy fall suddenly from the tree.The boy was seen _______ suddenly from the tree.+ sb do sth(不帶to)to fall半幫助:help不定式主動表被動主動形式表被動意義的不定式 !011.主語+be + adj.+ to do能用于此句型的形容詞有:difficult , easy, comfortable, fit, hard, pleasant, nice, good, interesting, heavy, dangerous, etc.★ The question is very easy to answer.★ The morning air is so good to breathe.02032. 動詞不定式與疑問代詞連用時For a period of time,as a young athlete,I didn’t know what to do.3. be to blameThe driver was to blame for this car accident happeninglast night.04054. too...to... 太...以至于...The box is too heavy for the little boy to lift.5. there be 句型動詞不定式用主動式或被動式均可,一般用主動形式表示被動意義There is nothing to worry/to be worried about.不定式的練習檢測1.He asked each villager that received the machine _________ (use) it and train an inheritor (繼承者) of the local weaving technique.(2024·山東煙臺一模)2.Today in Weifang,there are virtually no limitations on the shapes or sizes of kites,which can be made ________________ (represent) people’s ideals and desires. (2024·湖北5月省考)3.I feel I have a new mission ____________ (shoulder),even after China wins its battle to reduce poverty.(2024·山東煙臺二模)to useto representto shoulder創新P54Ⅰ.單句語法填空4.The ground floor tends ____________ (use) as storage space for firewood and farming equipment.(2024·湖南邵陽二模)5.That approach brought Cobb’s air travel last year down by 75%,and she plans ____________ (continue) the practice.(2022·浙江1月卷)6.A visually-challenged man from Beijing recently hiked (徒步) 40 days to Xi’an,as a first step ____________ (journey) the Belt and Road route (路線) by foot.(2022·全國甲卷)7.Mary’s sister,Frances Todd Wallace,often came over ____________ (plant) flowers in the front yard.(2021·浙江6月卷)to be usedto continueto journeyto plant8.He convinced the police department __________ (allow) him ____________ (set) up a couple of “chat benches” in two of their local parks.(天津7月卷)9.They are said _________________ (study) psychology now.10.The snow seemed ___________________ (blow) from the top of the mountain.to allowto setto be studyingto have been blownFar out in the ocean, where the water is as clear as glass, lives the Sea King, The ocean is too deep ___________ (measure). We may imagine there is nothing except yellow sand under the sea, but actually it is not rare _______ (see) the most unique flowers and plants __________ (dance) in the fast-moving water. In the deepest spot of all stands the Sea King’s castle, which has walls of coral and a roof _________ (form) of beautiful shells. The mother of the king, a wise woman who is proud _____________ (be) born into the royal family, takes care of his six daughters. Among the six sea-princesses, the youngest is the prettiest.Read the beginning of The Little Mermaid and use the proper forms of the verbs in brackets to fill in the blanks. What do you think happens next to measureto seedancingformedto have been教材P29 E3Although she has delicate skin like a rose-leaf and eyes as blue as the deepest sea, she has no feet but a fish tail just like her sisters. The most common way for the princesses ________ (play) all day long is _________________ (swim) in the halls of the castle or among the flowers growing out of the walls, feeding and touching the fish ____________ (swim) up to their hands through the windows. They seem _________________ (not worry) about anything, except for the youngest, who ..to playto swim/swimmingswimmingnot to worry 展開更多...... 收起↑ 資源預覽 縮略圖、資源來源于二一教育資源庫