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er than do sth. 寧愿……而不愿……(??迹﹕omething to eat/drink 一些吃/喝的東西(詞不定式放在something等后修飾這些Sth. is hard/difficult/easy to do 做好某事很難/容易take turns to do sth. 輪流做……There is no time (for sb. ) to do sth. 對(duì)(某人來說)沒時(shí)間做某事了There is no need (for sb.) to do sth. 對(duì)某人來說沒必要做某事try/do one’s best to do sth. 盡力去做某事*后既能跟不定式也能跟動(dòng)名詞的情況: 后加不定式或動(dòng)名詞意思相近的動(dòng)詞有些動(dòng)詞接doing和to do意義相近像like(喜歡),love(喜歡),hate(憎恨),prefer(寧可),begin(開始),start(開始),continue(繼續(xù))。這種結(jié)構(gòu)起名詞的作用,在句子里用作賓語、主語、表語等,或者單獨(dú)使用。不定式復(fù)合結(jié)構(gòu)的介詞用for還是of,主要決定于前面形容詞的性質(zhì)。如:1) In order to catch the early bus, she got up very early.2) A group of young people got together to discuss this question. 3) She came to this city to visit her daughter.,多見于“sb.+be+adj.+to do...”結(jié)構(gòu)句中。如:1)He needs time to do homework.2) He wants to know the best way to travel around the city.“there be...”句型里,句子的主語是動(dòng)詞不定式動(dòng)作的對(duì)象:1) There’ s just so much to see and do here.2)... but there are still many things to do there.*用作賓語補(bǔ)足語:要求/允許/提議(ask, allow, , advise),期望/邀請(qǐng)/鼓勵(lì)(expect, , invite, encourage),教導(dǎo)/告訴/想要(teach, tell, want),等待/希望/愿意(wait for, wish, would like / love)。后接不定式作賓語,表動(dòng)作尚未發(fā)生;后接ving形式作賓語,表動(dòng)作已經(jīng)發(fā)生。但是這種區(qū)別并不很嚴(yán)格,特別是美國(guó)英語,即使是習(xí)慣性的動(dòng)作也可以用動(dòng)詞不定式。如:1) We decided to talk to some students about why they go there. 2) He prefers to eat white bread and rice.3) I’d love to visit Mexico., know, learn, show, teach, tell...,介詞結(jié)構(gòu)on...可用疑問詞帶to的不定式短語作賓語,但why后面的不定式不帶to。動(dòng)詞不定式作主語,謂語動(dòng)詞用第三人稱單數(shù)形式。有些動(dòng)詞不定式不帶to,動(dòng)詞不定式可以作句子的主語、表語、賓語、定語、補(bǔ)語、狀語或單獨(dú)使用。今晚他不回來 3. 用于特殊疑問句中,表示不確定,常可譯為“會(huì)”。 如: He may know you. 他可能認(rèn)識(shí)你。給你。 如: You may / can go to the cinema this evening. 你今晚可以去看電影。6. 針對(duì)how many/much的問句回答,表示沒有時(shí)用none,不用nothing或nobody。3. at four months old=when she was four months old*表達(dá)“在……歲時(shí)”可用;“at +阿拉伯?dāng)?shù)字”或“at the age of+阿拉伯?dāng)?shù)字”4. not…anymore和not…any longer的區(qū)別1) not… any more相當(dāng)于no more,用于表示數(shù)量和程度上的“不再”,常修飾短暫性動(dòng)詞,指某動(dòng)作不再重復(fù)發(fā)生,它所表達(dá)的是never again或“沒有更多”的含義.2) Not …any longer相當(dāng)于no longer,表示時(shí)間或距離上的“不再”,旨在對(duì)現(xiàn)在的情況和過去的情況加以比較,所以多用于現(xiàn)在時(shí)。9. Bears move around slowly in the 。5. At four months old, she weighed about eight kilograms and started to go outside for the first ,她的體重大約8千克,并開始走出去。.. . . ..八上Unit5一、 重要單詞用法1. 名詞:dish一道菜;盤;碟子 pity同情 zebra斑馬 beginning開始,起初 result結(jié)果 danger危險(xiǎn) action行為;行動(dòng) la