unit1現(xiàn)在完成時(shí)態(tài)(專業(yè)版)
【正文】 如：now,today,this morning/month/year/term等。 ? The city is very familiar to me because I have visited it twice. ? You don’t need to describe her, for I have met her several times. ? This month I have been to Beijing for 5 times. 常與 twice,three times等連用 4 表示過(guò)去開(kāi)始的動(dòng)作或狀態(tài)一直延續(xù)到 現(xiàn)在 表示動(dòng)作只能用于某些帶有延續(xù)意義的動(dòng)詞。 ? He __________ (work) in the city for ten years. worked has worked I _______(see) this film yesterday. （強(qiáng)調(diào)看的動(dòng)作發(fā)） I ____________ (see) this film. （強(qiáng)調(diào)對(duì)現(xiàn)在的影響，電影的內(nèi)容已經(jīng)知道了） He __________ (be) in the League for three years. （他仍然是一名團(tuán)員 ) He ________ (join) the League three years ago. （強(qiáng)調(diào)加入的動(dòng)作發(fā)生在過(guò)去） saw have seen has been joined 現(xiàn)在完成時(shí)與一般過(guò)去時(shí)常用的時(shí)間狀語(yǔ)： ? 一般過(guò)去時(shí)常與 具體 的時(shí)間狀語(yǔ)連用， ? 而現(xiàn)在完成時(shí)通常與 模糊 的時(shí)間狀語(yǔ)連用，或 無(wú) 時(shí)間狀語(yǔ)。t received his letter for almost a month. 錯(cuò) 對(duì) 對(duì) ? 1. I’ll give you the book as soon as I ______________ (finish) it. ? 2. If you _____________ ( see) the film, you will like it. ? ’ll go to the party as soon as(or when )I _____________ (finish)my homework. have finished have seen 5. 在時(shí)間或條件 從句 中表示在將來(lái)某個(gè)時(shí)間前要完成某個(gè)動(dòng)作 have finished ? 1 We _____________ (study) English for about five years. ? 2 They ______________ (live) in the south since their daughter was born. ? 3 I _______
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