八年級(jí)英語(yǔ)下現(xiàn)在完成時(shí)-全文預(yù)覽
【正文】 (漢語(yǔ)中常用“已經(jīng)”、“過(guò)”、“了”等表達(dá)）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(yǔ)連用。可以和表示延續(xù)的時(shí)間狀語(yǔ)連用。 ★ have / has gone (to) 表示某人“ 已經(jīng)去某地了 ”，說(shuō)話時(shí)此人可能在路上或已到那里，反正不在這里。 一般過(guò)去時(shí)與現(xiàn)在完成時(shí)之比較 ? 1）一般過(guò)去時(shí)表示過(guò)去某時(shí)發(fā)生的動(dòng)作或單純敘述過(guò)去的事情，強(qiáng)調(diào) 動(dòng)作 ，和現(xiàn)在不發(fā)生關(guān)系。 ? ◎ 共同的時(shí)間狀語(yǔ)有： this morning, tonight, this summer, before, already,等。） ? She has returned from Paris. ? （她已從巴黎回來(lái)了。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. 瞬間動(dòng)詞可以用于現(xiàn)在完成時(shí)，但不能和表示一段時(shí)間的狀語(yǔ)連用。具體辦法是將瞬間動(dòng)詞轉(zhuǎn)化為表延續(xù)的動(dòng)詞或者表狀態(tài)的 be+名詞／形容詞或副詞／介詞短語(yǔ)等。 We have been students for eight years. ⑧ 下課 10分鐘了 The class has been over for ten minutes. The film has been on for an hour. 一看時(shí)間狀語(yǔ) 。如： － Have you had your breakfast? － Yes, I have. － When did you have it? － At seven thirty. 三看句中謂語(yǔ)動(dòng)詞是否為延續(xù)性動(dòng)詞 。如： How many words have you learned by heart? How did you learn them by heart? ( )’ve never seen such a wonderful film before, _______? A. haven’t you B. have you C. do you D. don’t you ( ) 2. —I have watched the game. —When ____ you ____ it? A. have。 watch ( )3. Mr. Green ____ in China since five years ago. A. lived B. has li
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