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中考英語(yǔ)備考:動(dòng)詞不定式 用法與考點(diǎn)
1.做主語(yǔ)
It took 50 years for 100 million people to listen to the radio. (Book5 Revision Module A)
動(dòng)詞不定式做主語(yǔ)時(shí),常用it作形式主語(yǔ),而將真正的主語(yǔ)放在句末,常用結(jié)構(gòu)為:It + be + adj. (+for sb. / of sb。) + to do sth.; It + take + sb. + some time + to do sth。
注意:形式主語(yǔ)結(jié)構(gòu)中如果使用表示人的品質(zhì)的形容詞,如kind, nice, clever等時(shí),應(yīng)當(dāng)使用of sb. 的結(jié)構(gòu)。
例如:It is very brave of her (to help Kylie). (Book4 Module 9 Unit 1)
2.做賓語(yǔ)
Jamie Oliver is a young cook who wants to improve school dinners. (Book5 Module 10 Unit 2)
使用不定式做賓語(yǔ)首先要看前邊的謂語(yǔ)動(dòng)詞。有些動(dòng)詞后面只能用不定式做賓語(yǔ),如want, wish, hope, decide, plan, expect, would like等。
有些動(dòng)詞后面可以用不定式也可以用動(dòng)名詞做賓語(yǔ),含義相同,如like, start, begin等;有些動(dòng)詞后面可以用不定式也可以用動(dòng)名詞做賓語(yǔ),含義不同,如 stop, remember, forget, try, regret, mean等。
形式賓語(yǔ),結(jié)構(gòu)為:主語(yǔ)+謂語(yǔ)(表示內(nèi)心活動(dòng)如:find,think等)+it + adj. + to do sth。
例如:I find it difficult to learn maths。
有些動(dòng)詞后加不帶to的不定式做賓語(yǔ),如had better, would rather, would/ could you please, why not, why don’t you等。
復(fù)合不定式結(jié)構(gòu)做賓語(yǔ)。
We wouldn’t know what to do, or how to look after ourselves. (Book4 Module 10 Unit 2)
注意:復(fù)合不定式結(jié)構(gòu)中,要區(qū)別what to do和how to do it。
延伸:有些結(jié)構(gòu)中的to并不是不定式的標(biāo)志而是介詞,后面要加名詞,代詞或動(dòng)名詞。
其他常用動(dòng)詞短語(yǔ)還有:pay attention to, be/get/become used to,be known to, be/get married to, see to, belong to等。
3.做賓語(yǔ)補(bǔ)足語(yǔ)
不定式做賓語(yǔ)補(bǔ)足語(yǔ)與賓語(yǔ)有邏輯上的主謂關(guān)系。后面常加不定式做賓語(yǔ)補(bǔ)足語(yǔ)的謂語(yǔ)動(dòng)詞有:tell, ask, want, allow, get, encourage等。
在一些使役動(dòng)詞和感官動(dòng)詞后也使用不定式做賓語(yǔ)補(bǔ)足語(yǔ),但此時(shí)不定式要省略to。有一口訣可以快速有效記憶這些動(dòng)詞:
四看(see, watch, notice, observe)
三讓(make, let, have)
兩聽(tīng)(hear, listen to)
一感覺(jué)(feel)
半幫助(help)
例如:Hobbies can make you grow as a person, develop your interests and help you learn new skills. (Book4 Module 1 Unit 2)
①注意:當(dāng)不帶to的不定式做賓語(yǔ)補(bǔ)足語(yǔ)前面的動(dòng)詞變?yōu)楸粍?dòng)語(yǔ)態(tài)時(shí),省略的to要還原。
例如:People saw him enter the house last night。
變被動(dòng) He was seen to enter the house last night。
②注意:現(xiàn)在分詞和不定式做賓語(yǔ)補(bǔ)足語(yǔ)的含義區(qū)別。不帶to的不定式做賓語(yǔ)補(bǔ)足語(yǔ),表示已經(jīng)完成了的或經(jīng)常性的動(dòng)作;現(xiàn)在分詞做賓語(yǔ)補(bǔ)足語(yǔ),表示正在進(jìn)行著的動(dòng)作。
例如:I can even hear the birds singing! (Book4 Module 7 Unit 1)
①延伸:have sth. done 結(jié)構(gòu)中,過(guò)去分詞做賓語(yǔ)補(bǔ)足語(yǔ),表示動(dòng)作由他人完成,含有被動(dòng)意義且強(qiáng)調(diào)動(dòng)作已經(jīng)完成。
例如:I had my hair cut yesterday。
②延伸:除了不定式可以做賓語(yǔ)補(bǔ)足語(yǔ),形容詞和名詞等也都可以做賓語(yǔ)補(bǔ)足語(yǔ)。
例如:They both act well in this film, and make their characters believable. (Book4 Module 6 Unit 2)
Dr. Bethune’s work with the Chinese soldiers made him a hero in China. (Book4 Module 9 Unit 2)
4.做狀語(yǔ)
Everyone is surprised to see him but they’re also pleased to see him alive. (Book5 Module 2 Unit 2) 原因狀語(yǔ)
Sun Haiping used the information to change Liu’s training programme. (Book5 Module 3 Unit 2) 目的狀語(yǔ)
I looked carefully over them, but it was still too dark to see anything. (Book5 Module 1 Unit 2) 結(jié)果狀語(yǔ)
5.做定語(yǔ)
I knew it was there, but there was nothing to see. (Book5 Module 1 Unit 2)
另外,閱讀理解將成為今年中考變化的一個(gè)重點(diǎn)。因?yàn)橛⒄Z(yǔ)并非考生母語(yǔ),所以閱讀理解能力的提高需要有規(guī)律和持久的練習(xí)與積累。那么我們?cè)诳荚囍袘?yīng)當(dāng)怎樣做才能更快速更準(zhǔn)確地完成閱讀理解呢?考生常犯的錯(cuò)誤有:1. 審題不清,盲目作答。2. 以偏概全,忽略依據(jù)。3. 主觀臆斷,不顧作者。主旨推斷,理解有誤。
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