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al times. 他們?nèi)ミ^那個村莊好幾次了。 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。 They have been in Canada for five years. 他們到加拿大有五年了。 Have you ever sung this English song? 你曾唱過這首英文歌嗎? They haven‘t started yet. 他們還沒有身。) 1. 在現(xiàn)在完成時中 ever, never, just, already, yet在用法和意思上有什么區(qū)別? 在學(xué)習(xí)這一概念的同時,還應(yīng)注意常與現(xiàn)在完成時連用的幾個副詞: already, just, ever, yet, never等。 其主要用法如下: Grammar Focus 結(jié)構(gòu): 主語 + have / has + 動詞的過去分詞 一般疑問句 : have / has … ? Yes, I have. No, I haven’t. Yes, she has. No, she hasn’t. Review 現(xiàn)在完成時表示過去發(fā)生或完成的某一動作對現(xiàn)在造成的影響或結(jié)果。t. I’ve been to the art museum many times. Me, too. And I’ve also visited the nature museum. I’ve never been to a water park. Me neither. Grammar Focus 現(xiàn)在完成時由主語+ have/has+過去分詞構(gòu)成。 (“買”這一動作發(fā)生在過去,對現(xiàn)在造成的結(jié)果是:擁有兩個蘋果。 He has just had his meal.他剛吃過飯。 Mr. Brown has been in Shanghai for three days. 布朗先生來上海已經(jīng)有三天了。 如: I’ve just been to the post office. 我剛才去郵局了。ve been to Beijing three times. 我去過北京三次。 如 : — Where is Tom? 湯姆在哪里? — He has gone to the bookshop. 他到書店去了。 (說話人認(rèn)為他過去到過香港 , 現(xiàn)在已不在該地。如 : Neither of the twins likes swimming. 那對雙胞胎都不喜歡游泳。這種用法和 so在完全倒裝句中 表示“也 ……” 的用法相對應(yīng)。 4. 注意區(qū)別 so在完全倒裝句和不完全倒裝句中 的用法。 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. 4a. Put the correct forms of the verbs in the blanks. to e been seen went 3. A: Let’s ________ (spend) the day at the zoo. B: Well, I’ve already _______ (be) there a couple of times, but I’m happy_______ (go) again. 4. A: How about _________ (go) to the art museum? There are some special Ge