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?,F(xiàn)在的那個(gè)時(shí)間點(diǎn)amp。說話、寫文章的那個(gè)時(shí)間點(diǎn)amp?,F(xiàn)在某個(gè)時(shí)間amp。過去amp。) , yesterday , the day before yesterday , yesterday morning ( afternoon , evening ) , in 1999 , two hours ago ( one week ago , tree years ago , ?)等等。由于它的主要作用如此,所以在使用一般過去時(shí)的句子里常常有一個(gè)意義較具體的過去時(shí)間狀語。用于一般現(xiàn)在時(shí)的副詞,除了上面提到的一些表示頻率的以外,常見的還有:now, today , nowadays等等。4) 根據(jù)英文語法規(guī)定,當(dāng)主句的謂語動(dòng)詞是一般將來時(shí),那么時(shí)間或條件狀語從句的謂語動(dòng)詞只能用一般現(xiàn)在時(shí)來表示將來要發(fā)生的動(dòng)作。quot。quot。 3) 陳述客觀事實(shí)、客觀真理。她主修音樂。That is a beautiful city 。不是強(qiáng)調(diào)動(dòng)作發(fā)生的時(shí)間、或進(jìn)行的狀態(tài)amp。描述現(xiàn)階段的動(dòng)作或狀態(tài)amp。這兒很少下雨。She doesn’t often write to her family, only once a month. 她不常給家里寫信,僅一月一封而已。光的速度比聲音的速度快。地球繞著太陽轉(zhuǎn)。Ten minus two is eight。The United States lies by the west coast of the Pacific Ocean. 美國位于太sometimes , seldom , usually等等,以表示句中的動(dòng)作或狀態(tài)是習(xí)慣性的、經(jīng)常性的。 I cycle to work every day 。2)僅為了描述狀態(tài)、性質(zhì)、特征、能力等等。quot。quot。那是座美麗的城市。All my family love football 。 顧名思義,客觀的情況是amp。的;也amp。例如:The sun rises in the east 。例如:I’ll tell him the news when he es back. 他回來時(shí),我將告訴他這個(gè)消息。 一般過去時(shí)主要是用來描述在過去某個(gè)時(shí)候發(fā)生的動(dòng)作或存在的狀態(tài)。這也是它與現(xiàn)在完成時(shí)的 最大區(qū) 別之一。使用一般過去時(shí),在某種意義上說就是要強(qiáng)調(diào)動(dòng)作或狀態(tài)發(fā)生或存在于過去的某個(gè)時(shí)候。quot。quot。quot。quot。他剛剛出去。be going to, 表打算,準(zhǔn)備計(jì)劃將來干。 We aren’t going to have any lessons next week. 我們下周不上課。Where is the telephone book? I’ll go and get it for you .(3) 表示即將發(fā)生某事時(shí),兩者區(qū)別不大,多可互換。另外,時(shí)間、條件狀語從句中,“主將從現(xiàn)”I’ll let you know as soon as I hear from him.He’ll go fishing if it is fine 1 We _____go home until we finish the work.A don’t B won’t C will 2 Tom _____ six years old next month. A will be B will is C is going to3 Look at the clouds? It _____ rain. A is going B will be C is going totomorrow.(2) 現(xiàn)在進(jìn)行時(shí)表將來。(4) be +動(dòng)詞不定式,表示安排或計(jì)劃好的動(dòng)作。 The train will leave soon。B。D。請(qǐng)看: Peter is at work,but Mike is at play。在口語中,所有人稱都可以用will。如:She is to play Juliet。 “be about to+不定式”:表示即將發(fā)生的動(dòng)作,有“即將”的意思,但不能和具體的時(shí)間狀語連用。如:We are going to call her this evening。 用現(xiàn)在進(jìn)行時(shí)表示將來:主要表示按規(guī)定或時(shí)間預(yù)計(jì)要發(fā)生的事。我們下星期將開一個(gè)晚會(huì)。 The train leaves at 10:04 1) 兩詞都是’必須’的意思,have to 表示客觀的需要, must 表示說話人主觀上的看法,既主觀上的必要。quot。You have worked hard all day .You must be tired.你辛苦干一整天,一定累了。他必須呆在那。Why didn’t you answer my phone call?Well, I must have been sleeping, so I didn’t hear it。(客觀上需要做這件事)He said that they must work hard. 他說他們必須努力工作。3)在否定結(jié)構(gòu)中:don’t have to表示amp。 mustn’t表示amp。 You don’t have to tell him about 。 注意: might 表示推測(cè)時(shí),不表示時(shí)態(tài)。不妨amp。 A. must B. may C. can D. will 答案B. 表可能性只能用may. 此句意可從后半句推出。)so + adj. + n. (pl。b. 情態(tài)動(dòng)詞后。 He was able to flee Europe before the war broke out。 2)在否定,疑問句中表示推測(cè)或懷疑。so 還可與表示數(shù)量的形容詞many,few,much, little連用,形成固定搭配。動(dòng)詞不定式動(dòng)詞不定式是初中英語的語法重點(diǎn)之一,也是每年中考英語試題的考點(diǎn)之一。to+動(dòng)詞原形amp。 、形容詞或副詞的特點(diǎn),可以在句子中用作主語、賓語、賓語補(bǔ)足語、狀語、定語、表語及同位語等。常見的句式有:(1)It is +形容詞(of sb)to do sth.(2)It is +名詞(for sb)to do sth.(3)It takes sb some time to do sth.(4)It is +形容詞(for sb)to do (1)中常用nice, kind, clever, good, right, wrong, foolish, careless等形容詞,與介詞of搭配,這些形容詞常表述不定式邏輯主語的屬性或性質(zhì)。三、動(dòng)詞不定式作賓語補(bǔ)足語1. Robert often asks us ______ his Chinese, so his Chinese is much better than before.A. help him B. to help him with C. to help with D. helps him with (江蘇省)2. Mr Li often teaches his Japanese friends ______ Chinese food.A. cook B. cooks C. to cook D. cooked (甘肅省)Key: 1. B 2. C[簡析]不定式可以用作賓語補(bǔ)足語。quot。6. The panda is so fat that it can’t go through the hole.(改為意思相同的句子)The hole ______ ______ ______ ______ such a fat panda to go through. (廣東省)7. The ice on the lake was so thin that people couldn’t skate on it. (改為意思相同的句子)The ice on the lake wasn’t ______ enough ______ people ______ ______ ______. (廣東省)Keys: 6. is, too, small, for 7. thick, for, to, skate, on[簡析]在上述amp。(太??而不能??)和amp。(足以、足夠??做??)結(jié)構(gòu)中,不定式作結(jié)果狀語。amp。后面接不帶to的不定式。be glad toamp。would like (love) toamp。have toamp。如果不定式所表示的動(dòng)作發(fā)生在謂語動(dòng)詞表示的動(dòng)作之前,不定式用完成式,即:to have +過去分詞。There is no air and no water on the moon。否定句中表并列用or, b