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has gone to have been to has gone to have/has gone to 去過(guò)某地 (已經(jīng)回來(lái)) 去了某地 (還沒(méi)回來(lái)) He has been in Shanghai for 10 years. 他 呆在上海迄今為止已經(jīng) 10年了 [現(xiàn)在還在上海沒(méi)有離開(kāi)呢 ] 5. 瞬間動(dòng)詞不能和表示一段時(shí)間的時(shí)間狀語(yǔ)連用 ,但是他可以轉(zhuǎn)換成相應(yīng)的延續(xù)性動(dòng)詞 . 1. 直接用 延續(xù)性動(dòng)詞 buy – catch(get) a cold – borrow — Come/go /bee — put on — 2. 轉(zhuǎn)換成 be+名詞 join the army – Join the Party – go to school – have have a cold keep bewear be a soldier be a Party member be a student 3. 轉(zhuǎn)換成 be + 形容詞或副詞 die — finish – begin — leave — be away fall sleep – be asleep close – be closed 4. 轉(zhuǎn)換成 be + 介詞短語(yǔ) go to school – be in school join the army – be in the army be dead be over be on 現(xiàn)在完成時(shí)與一般過(guò)去時(shí)的比較 1) 一般過(guò)去時(shí) 表示過(guò)去某時(shí)發(fā)生的動(dòng)作或單純敘述過(guò)去的事情,強(qiáng)調(diào)動(dòng)作 ; 現(xiàn)在完成時(shí) 為過(guò)去發(fā)生的,強(qiáng)調(diào)過(guò)去的事情對(duì)現(xiàn)在的影響,強(qiáng)調(diào)的是影響 。 I saw this film yesterday. (強(qiáng)調(diào)看的動(dòng)作發(fā)生過(guò)了。) I