一般過去時(shí)用法講解(1).doc

一般過去時(shí)用法講解1、概述一般過去時(shí)表示過去某個(gè)時(shí)間發(fā)生的動(dòng)作或狀態(tài)，常和表示過去的時(shí)間連用，yesterday, last night, in 1990, two days ago等。也表示過去經(jīng)?；蚍磸?fù)發(fā)生的動(dòng)作，常和often, always等表示頻度的時(shí)間狀語連用。I got up at 6:30 yesterday.我昨天6:30起床。He always went to work by bus last year.去年他總是坐公交車上班。2、一般過去時(shí)的構(gòu)成一般過去時(shí)由規(guī)則動(dòng)詞（-ed/-d）或不規(guī)則動(dòng)詞的過去時(shí)表示，除be外，其余動(dòng)詞沒有人稱和數(shù)的變化。各種動(dòng)詞的否定結(jié)構(gòu)和一般疑問結(jié)構(gòu)，與一般現(xiàn)在時(shí)的否定結(jié)構(gòu)和疑問結(jié)構(gòu)相同。3.Be動(dòng)詞在一般過去時(shí)中的變化：am 和is在一般過去時(shí)中變?yōu)閣as。（was not=wasnt）are在一般過去時(shí)中變?yōu)閣ere。（were not=werent）帶有was或were的句子，其否定、疑問的變化和is, am, are一樣，即否定句在was或were后加not，一般疑問句把was或were調(diào)到句首。4句中沒有be動(dòng)詞的一般過去時(shí)的句子否定句：didnt +動(dòng)詞原形，如：Jim didnt go home yesterday.一般疑問句：在句首加did，句子中的動(dòng)詞過去式變回原形。如：Did Jim go home yesterday?特殊疑問句：疑問詞+did+主語+動(dòng)詞原形？如： What did Jim do yesterday?疑問詞當(dāng)主語時(shí)：疑問詞+動(dòng)詞過去式？如：Who went to home yesterday?5.規(guī)則動(dòng)詞過去式變化規(guī)則 1一般在動(dòng)詞末尾加-ed，如：play-played, cook-cooked 2結(jié)尾是e加d，如：like-liked love-loved 3末尾只有一個(gè)元音字母和一個(gè)輔音字母的重讀閉音節(jié)，應(yīng)雙寫末尾的輔音字母，再加-ed，如：stop-stopped 4以“輔音字母+y”結(jié)尾的，變y為i， 再加-ed，如：study-studied6、一般過去時(shí)的用法（1）表示過去某個(gè)特定時(shí)間發(fā)生的動(dòng)作或存在的狀態(tài)常有明確的時(shí)間狀語，如yesterday，last night, some years ago，in1890等，以及由when等引導(dǎo)的時(shí)間狀語從句。Tom didnt come to class yesterday.湯姆昨天沒來上課。We went to dance last night.昨晚我們?nèi)ヌ枇恕?Hello! I didnt know you were in London. How long have you been here? 喂!我不知道你在倫敦。你來多久了？（2）表示過去的習(xí)慣性或經(jīng)常發(fā)生的動(dòng)作常與often，usually，seldom等表示頻度的副詞連用。When I was in the countryside, I often called on my old friends there.我在鄉(xiāng)村里，經(jīng)常去拜訪那里的朋友。I went to the cinema once a week when I was at school.我上學(xué)時(shí)每周去看一場(chǎng)電影。注意：表示過去經(jīng)?；蚍磸?fù)發(fā)生的動(dòng)作，還可用used to 或would加動(dòng)詞原形表示。When I stayed at Aunt Lius ,she would tell me about the great changes which had taken place in the village since liberation.當(dāng)我住在劉大娘家時(shí)，她常常告訴我解放以來農(nóng)村發(fā)生的巨大變化。She used to go for a walk after supper, but now she prefers to stay at home.她過去晚飯后總出去散步，但現(xiàn)在她卻喜歡呆在家里。（3）用來代替過去將來時(shí)在條件、時(shí)間狀語從句中，常用一般過去時(shí)代替過去將來時(shí)。They said they would let us know if they heard any news about him.他們說如果聽到什么關(guān)于他的消息，就通知我們。He promised that when he went to the bookstore, he would buy me a book.他答應(yīng)去書店時(shí)為我買本書。He said he would not go if