英語學(xué)習(xí):自考英語(二)輔導(dǎo)資料:一般過去時(shí)

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2011年08月08日 07時(shí)16分,《英語學(xué)習(xí):自考英語(二)輔導(dǎo)資料:一般過去時(shí)》由出國留學(xué)網(wǎng)liuxue86.com英語編輯整理.
    一般過去時(shí)
    1.基本用法
    (1)常用來表示過去某一時(shí)間所發(fā)生的動(dòng)作。
    (2)表示在過去一段時(shí)間內(nèi)經(jīng)常發(fā)生的動(dòng)作或存在的狀態(tài)。
    2.基本結(jié)構(gòu)
    (1)主+be動(dòng)詞(was/were)+名(代/介詞短語)
    (2)主+動(dòng)詞的過去式+賓
    (3)動(dòng)詞的過去時(shí)變化(略)和含過去時(shí)句子的肯定、否定、疑問變化。
    did, didn’t, Did...?
    e.g.Where were you at that time?
    I was sorry to hear that.
    Who left the door open?
    What did you major in?
    Did you go home yesterday? Yes, I did. No, I didn’t.
    I didn’t go home yesterday.
    3.過去時(shí)的句子常帶有標(biāo)志性的時(shí)間狀語
    ...yesterday, at that time
    ...ago, last year, week, just now etc.
    4.Ago
    (1)多用于過去時(shí)。
    (2)它所指時(shí)間是從現(xiàn)在算起。
    It was 20 years ago when Jack was a boy of fifteen.
    5.Before
    (1)多用于過去完成時(shí)
    (2)它所指時(shí)間是從過去某一時(shí)刻算起(可與previously換用)。
    Last summer, I finally left the firm that I had joined 18 years before.
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