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C. don’t clean D. haven’t cleaned 5. Harry Potter is a very nice film. I _____ it twice. A. will see B. have seen C. saw D. see D B 翻譯 1. 我叔叔離開上海 10天了,他是上星期離開的。 I have been to the science museum many times. I went there on our last summer vocation. 我已經(jīng)去了科學(xué)博物館很多次。雖然這兩個時態(tài)都和過去發(fā)生的事情有關(guān),但是 現(xiàn)在完成時 強調(diào)這一動作與現(xiàn)在的關(guān)系,如對現(xiàn)在產(chǎn)生的結(jié)果、影響等 ,而 一般過去時 只表示過去的事實,不表示和現(xiàn)在的關(guān)系 。如: Where is Tom? 湯姆在哪里? He has gone to the 。 ?2. have (has) gone to 意為 “到某地去了 ”,表示到了某地或正在去某地的途中。 I’ve been to Beijing three times. 我去過北京三次。 Have you ever been to Hangzhou? 你曾經(jīng)去過杭州嗎? Mary has never been to the Great Wall. 瑪麗從未去過長城??膳c just, ever, never等連用。 1. never 從來沒有,從不,表示否定 He has never seen such a tall building. 他 從未 見過這么高的樓。 I’ve been to New York once before. 我剛丟了我的鉛筆盒。 注意: 當(dāng) have被用在現(xiàn)在完成時態(tài)中時,它可以和前面的代名詞一起組成縮寫形式。 3. 疑問句: 現(xiàn)在完成時的一般疑問句式 是把助動詞 have或 has提到主語之前 。 注意:該句式中的 have或 has是助動詞, has用于第三人稱單數(shù),其它人稱一律用 have。Section A (2a – 2d) How do you practice speaking? By having conversations with friends. How do you learn new words? By making word cards. How do you improve your writing? By writing s to my pen pals. How do you practice listening? By listening to a tape and repeating out loud. How do you improve your pronunciation? By watching English programs. How do you learn grammar? By taking notes, doing exercises and reading a lot. How do you improve your writing? By writing diaries in English. How often do you write a diary? How do you improve your listening? By listening to VOA. How often do you listen t