【正文】
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 ; 現(xiàn)在完成時(shí) 為過去發(fā)生的,強(qiáng)調(diào)過去的事情對現(xiàn)在的影響, 強(qiáng)調(diào)的是影響 。 2) 一般過去時(shí)常與具體的時(shí)間狀語連用 ,而現(xiàn)在完成時(shí)通常與模糊的時(shí)間狀語連用,或無時(shí)間狀語 。 一般過去時(shí)的時(shí)間狀語 : yesterday, last week, … ago, in 1980, in October, just, now 等,皆為具體的時(shí)間狀語。 現(xiàn)在完成時(shí)的時(shí)間狀語 : for, since, so far, ever, never, just, yet, till/until, up to now, in past years, always等,皆不確定的時(shí)間狀語。 共同的時(shí)間狀語 : this morning, tonight, this April, now, already, recently, lately 等。 3) 現(xiàn)在完成時(shí) 可表示持續(xù)到現(xiàn)在的動(dòng)作或狀態(tài), 動(dòng)詞一般是延續(xù)性的 ,如: live, teach, learn, work, study, know。 一般過去時(shí) 常用的 非持續(xù)性動(dòng)詞 有 e, go, leave, start, die, finish, bee, get married等。 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) 。 (錯(cuò)) Tom has written a letter to his parents last night. (對) Tom wrote a letter to his parents last night. 1. Mother ____ me a new coat yesterday. I _______ it on. It fits me well. A. had made … have tried B. made … have tried C. has made … tried D. made … tried B 2. We _______ trees last Sunday. So far we _______ over 3,000 trees there. A. planted; planted B. planted; have planted C. have planted; planted D. have planted; have planted B 3. I _______ the way. I ________ here for quite many years. A. knew … have lived B. knew … live C. know … have lived D. know … live C Finish the exercises in workbook.