2019-2020年高考英語 語法專題復(fù)習(xí) Unit 2 Heroes教案6 北師大版必修1.doc

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2019-2020年高考英語 語法專題復(fù)習(xí) Unit 2 Heroes教案6 北師大版必修1語法剖析 一般過去時(shí)用法例句表示過去某一時(shí)刻發(fā)生的動(dòng)作或情況。常與two days ago,yesterday,last week,the other day,in 1990,during the night,in ancient times等表示過去的時(shí)間狀語連詞。Where did you go just now? I worked in that factory last year.My mother fell ill the other day.The Red Army came into being in 1927.表示在過去一段時(shí)間內(nèi),經(jīng)常性或習(xí)慣性的動(dòng)作。常與every day,often,sometimes 等時(shí)間狀語連用；used to + 動(dòng)詞原形或 would + 動(dòng)詞原形常用來表示過去經(jīng)常或反復(fù)發(fā)生的行為。When I was a child,I often played football in the street.We sometimes went to school by bus last year.I used to smoke a lot but now I dont now.We would ask our teachers for advice when we had questions.表示過去發(fā)生的一連串動(dòng)作。The monkey jumped off the tree,picked up a big stone and threw it at us.在時(shí)間 、條件、讓步狀語從句中用一般過去時(shí)表示過去將來的動(dòng)作。He said he would e to see me if he got here.He bought some books when he went to Paris.過去進(jìn)行時(shí)用法例句表示過去某一時(shí)刻或某一段時(shí)間內(nèi)正在進(jìn)行的動(dòng)作,過去進(jìn)行時(shí)常和表示過去時(shí)的時(shí)間狀語詞組或從句連用。I was watching TV at 8 oclock last night.The students were reading loudly when I came into the classroom.My brother fell while he was riding his bicycle and hurt himself.It was raining when they left the station.表示說話人過去對(duì)主語的行為表示贊嘆,厭惡等。常與always,constantly,continually等副詞連用。The manager was always thinking of his work at that time.（表贊賞）The naughty boys were constantly making trouble.（表不滿）表示過去將來發(fā)生的動(dòng)作。一般限于一些表示移動(dòng),方向的動(dòng)詞。He said that he was ing to see me the next week.Nobody knew whether he was leaving for the countryside.描述事件發(fā)生的背景。The sun was shining,the wind was blowing,and a group of soldiers were marching.現(xiàn)在完成時(shí)用法例句表示過去發(fā)生或已經(jīng)完成的某一動(dòng)作對(duì)現(xiàn)在造成的影響或結(jié)果。通常與表示包括現(xiàn)在在內(nèi)的時(shí)間副詞just,already,before,yet,never,ever等狀語連用。I have never heard of that before.Have you ever ridden a horse?She has already finished the work.Have you milked the cow yet?Yes,I have done that already.Ive just lost my science book.表示過去已經(jīng)開始,持續(xù)到現(xiàn)在的動(dòng)作或狀態(tài)。可以和表示從過去某一時(shí)刻延續(xù)到現(xiàn)在（包括現(xiàn)在在內(nèi)）的一段時(shí)間的狀語連用。 如:for和since,及so far,now,today,this week（month,year）等。I havent seen her these days.She has learnt English for 3 years.They have lived here since 1990.What has happened to the USA in the last 350 years?現(xiàn)在完成時(shí)還可以用在時(shí)間和條件狀語從句中,表示將來某時(shí)完成的動(dòng)作。Ill go to your home when I have finished my homework.If it has stopped snowing in the morning,well go to the park.需要注意以下幾個(gè)方面：(1)have been（to）和have gone（to）的區(qū)別:have/has been（to）表示“曾經(jīng)去過”某地,說話時(shí)此人很可能不在那里,已經(jīng)回來。側(cè)重指經(jīng)歷。have/has gone（to）表示某人“已經(jīng)去了”某地,說話時(shí)此人在那里,或可能在路上,反正不在這里。試比較:He has been to Beijing.他曾去過北京。（人已回來,可能在這兒。）The sea refuses no river.海不拒河水；大海有能容之量。He has gone to Beijing.他已經(jīng)去了北京。（人已走,不在這兒。）(2)表示短暫時(shí)間動(dòng)作的詞,如e,go,die,marry,buy等的完成時(shí)不能與for,since表示一段時(shí)間的短語連用。常用的瞬間動(dòng)詞可轉(zhuǎn)換為:buyhave,borrowkeep,leave/gobe away,beginbe on, finishbe over, beebe,marrybe married,diebe dead 等。 這本書他買了三天了。He has bought/got the book for 3 days.（）He has had the book for 3 days.（）He bought the book 3 days ago.（）(3)常用句型:It is the first/second time.that.結(jié)構(gòu)中的從句部分,用現(xiàn)在完成時(shí)。This is the 最高級(jí)+名詞that.結(jié)構(gòu),that 從句要用現(xiàn)在完成時(shí)。It is the first time that I have visited the city.It was the third time that the boy had been late.This is the best film that Ive（ever）seen.This is the first time that）Ive heard him sing.一般過去時(shí)與現(xiàn)在完成時(shí)之比較時(shí)態(tài)定義各自的時(shí)間狀語共有的時(shí)間狀語不同點(diǎn)一般過去時(shí)表示過去某時(shí)發(fā)生的動(dòng)作或單純敘述過去的事情,強(qiáng)調(diào)動(dòng)作。yesterday,last week,ago,in1980,in October,just now等表示具體的時(shí)間狀語。thismorning,tonight,ths April,now,once,before,already,recenly,lately等等。只與具體的時(shí)間狀語連用?，F(xiàn)在完成時(shí)表示過去發(fā)生的動(dòng)作,強(qiáng)調(diào)過去的事情對(duì)現(xiàn)在的影響。for,since,sofar,ever,never,just,yet,till/unti,uptonow,inpast years,always等表示不確定的時(shí)間狀語。只與模糊的時(shí)間狀語連用,或無時(shí)間狀語。分析比較下列例句:I saw this film yesterday. I have seen this film.（強(qiáng)調(diào)看的動(dòng)作發(fā)生過了。） （強(qiáng)調(diào)對(duì)現(xiàn)在的影響,電影的內(nèi)容已經(jīng)知道了。）She returned yesterday. She has returned from Paris.（她是昨天回來了。） （她已從巴黎回來了。）He has been in the League for three years. He joined the League three years ago.（在團(tuán)內(nèi)的狀態(tài)可延續(xù)。） （三前入團(tuán),joined為短暫行為。）注意:句子中如有過去時(shí)的時(shí)間副詞（如 yesterday,last week,in 1960）時(shí),不能使用現(xiàn)在完成時(shí),要用過去時(shí)。例如:（錯(cuò)）Tom has written a letter to his parents last night.（對(duì)）Tom wrote a letter to his parents last night.