【正文】
法 學(xué)習(xí)現(xiàn)在完成時(shí),謂語結(jié)構(gòu)要記住 ——“have / has + 過去分詞 ”主要用法有兩個(gè):過去發(fā)生的動(dòng)作對(duì)現(xiàn)在產(chǎn)生的影響或結(jié)果,just, already常用著,過去動(dòng)作或狀態(tài),一直延續(xù)到現(xiàn)在, for和since把時(shí)間帶。如: I have known Lilei for three years.Now , boys and girls, tell us your sentences like this 現(xiàn)在完成時(shí) /The Present Perfect Tense試一試,用所給詞的正確形式填空1 I ( live) here since I was ten years old. 2 I ( live) here in 1998.3 you your breakfast? Yes, I have. When you it? 30 minutes ago.注意現(xiàn)在完成時(shí)的幾個(gè)特殊方面:(一)現(xiàn)在完成時(shí)與一般現(xiàn)在時(shí)的區(qū)別have livedlivedHave haddid have 現(xiàn)在完成時(shí)表示過去發(fā)生或已經(jīng)完成的某一動(dòng)作對(duì)現(xiàn)在產(chǎn)生的影響或結(jié)果,強(qiáng)調(diào)的是現(xiàn)在的情況。所以它不能和表示過去時(shí)間狀語連用;而一般過去時(shí)只單純表示過去的動(dòng)作或狀態(tài),和現(xiàn)在不發(fā)生關(guān)系,可以和表示過去的時(shí)間狀語連用。一)現(xiàn)在完成時(shí)與一般現(xiàn)在時(shí)的句型轉(zhuǎn)換eg: I have studied English for three years I studied English three years ago It is three years since I studied English( 二)表示短暫動(dòng)作的瞬間性動(dòng)詞,如 e、 go、 buy等的完成時(shí)態(tài)就不能與 for、 since 等表示一段時(shí)間的狀語連用,但可以與這類詞相應(yīng)的延續(xù)性動(dòng)詞或短語連用。試一試,改錯(cuò) 1 I have e to Jianyang for ten