【正文】
in recent years等。” He has been here for three :He has e here for three days. e不延續(xù)動詞,改為be延續(xù)動詞 又如:“他參軍已經(jīng)三年了?! 、俦硎具^去某時之前發(fā)生的動作?! ∪纾築y the end of last year,we had produced 20,000 cars. The train had left before we reached the station. ?、诒硎具^去發(fā)生的動作一直延續(xù)到過去的另一個時間?! e had already learned English for five years by the end of last year. 幾種表示“過去的“時態(tài)的區(qū)別: “一般過去時”與“過去進行時”的區(qū)別: 一般過去時:表示過去某時或某一階段發(fā)生的動作或狀態(tài)(在指定時間內(nèi)完成)過去進行時:表示過去某時或某一階段內(nèi)正在進行的動作(在指定時間內(nèi)未完成)It rained last night.(雨在指定時間last night結束)It was raining last night.(雨在指時間last night下著,不知什么時間停的)如果指定“點時間”,不延續(xù)動詞只能用一般過去時,而延續(xù)動詞只能用過去進行時。clock yesterday. He was reading a book at 8 o39。(有確切的過去時間)現(xiàn)在完成時:表示過發(fā)生的動作,對現(xiàn)在的影響。(指定時間內(nèi)完成)過在完成時:表示過去某時之前發(fā)生的動作。如有過去時間,但無法說明在此之前的決不可用過去完成時?! ∪纾篐e said his first teacher had died at least 10 years before. Xiao Hua left school 3 years ago. ②表示“就.”的幾個句型:Hardly/Scarcely/No sooner had+主語+過去分詞+ when/than+一般過去時。引導的時間狀語從句中用一般過去時態(tài)代替過去完成時。如: He told me he read an interesting novel last night. ④由并列連詞but,and等連接,表示幾個連續(xù)發(fā)生的動作,或在故事中按時間順序發(fā)生的動作用一般過去時?! he worker has been working in this pany ever since he graduated from college. 注:①如說話人不十分強調(diào)此動作仍在進行,也可用現(xiàn)在完成時?! e looks very tired,for he has been painting the house all day. 10 / 10