新概念英語第一冊(cè)語法:一般過去時(shí)

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    3. 一般過去時(shí)
    表示過去發(fā)生的動(dòng)作或事件， 常和表示過去的時(shí)間狀語連用，如yesterday, last night, the day before yesterday, 3 days ago,
    含有be動(dòng)詞的句子， 將動(dòng)詞變?yōu)檫^去式，am, is的過去式為was，are的過去式為were
    I was at the butcher’s.
    You were a student a year ago.
    The teacher was very beautiful ten years ago.
    ★變疑問句將be動(dòng)詞移動(dòng)到句首
    Were you at the butcher’s?
    Were you a student a year ago?
    Was the teacher very beautiful ten years ago?
    ★變否定句在be動(dòng)詞后面加not
    I was not at the butcher’s.
    You were not a student a year ago.
    The teacher was not very beautiful ten years ago.
    ★肯定回答否定回答
    Yes, I was. No, I was not.
    Yes, you were. No, you were not.
    Yes, he/she was. No, he/she was not.
    ★特殊疑問句：
    What did you do?
    (必背)
    不含有be動(dòng)詞的句子，將動(dòng)詞變?yōu)檫^去式，動(dòng)詞過去式構(gòu)成見附錄
    I finished my homework yesterday.
    The boy went to a restaurant.
    The Sawyers lived at King Street a year ago.
    ★變疑問句在句首加did， 動(dòng)詞變?yōu)樵?BR>    Did you finish your homework yesterday?
    Did the boy go to a restaurant?
    Did the Sawyers live at King Street a year ago?
    ★變否定句在主語和動(dòng)詞之間加did not
    I did not finish my homework yesterday.
    The boy did not go to a restaurant.
    The Sawyers did not live at King Street a year ago.
    ★肯定回答及否定回答
    Yes, I did. No, I didn’t.
    Yes, he did. No, he didn’t.
    Yes, they did. No, they did not.