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to) 或 have / has gone (to)填空。 1. — Hi, this is Dave. May I speak to Jim? — Sorry, he isn’t in. He ______________ the school library. has gone to 2. — Are you looking forward to going to Paris? — No. I ______________ the city twice. 3. — Are you interested in going to the Palace Museum? — No. I __________ there many times. have been to have been 比較: I have seen the film. 我看過(guò)這部電影。 (我了解這部電影的內(nèi)容 ) I saw the film last month. 我上個(gè)月看了這部電影。 (只說(shuō)明上星期看了這部電影,不 涉及現(xiàn)在的情況 ) ① 一般過(guò)去時(shí) 只強(qiáng)調(diào)過(guò)去的動(dòng)作 ;現(xiàn)在完成時(shí) 強(qiáng)調(diào)過(guò)去的事情對(duì)現(xiàn)在的影響 。 ② 一般過(guò)去時(shí)通常與 表示過(guò)去的時(shí)間狀語(yǔ)連用 ;現(xiàn)在完成時(shí)則 不能與表示過(guò)去的時(shí)間狀語(yǔ)連用 。 ③ 一般過(guò)去時(shí)單純 表示過(guò)去的經(jīng)歷 ;現(xiàn)在完成時(shí)表示 過(guò)去的動(dòng)作或狀態(tài)延續(xù)到現(xiàn)在并可能持續(xù)下去 。 一般過(guò)去時(shí)的時(shí)間狀語(yǔ)有: yesterday, last week, … ago, in1980, in October, just now … 共同的時(shí)間狀語(yǔ)有: this morning, tonight, this summer, before, already, … 現(xiàn)在完成時(shí)的時(shí)間狀語(yǔ)有: for, since, ever, never, just, already, yet, in past years … 4a Put the correct forms of the verbs in the blanks. 1. A: Do you want ________ (e) to the space museum? B: No, I’ve already ______ (be) there three times. 2. A: Have you _____ (see) the robots at the science museum? B: Yes, I _____ (go) there last weekend. to e been seen went 3. A: Let’s _______ (spend) the day at the zoo. B: Well, I’ve