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You are always changing your mind. 典型例題 My dictionary ___, I have looked for it everywhere but still___ it. A. has lost, don39。 Mr. Green is writing another novel. (說(shuō)話時(shí)并未在寫(xiě),只處于寫(xiě)作的狀態(tài)。 Our teacher told us that Columbus discovered America in 1492. 將來(lái)完成時(shí) 中國(guó)最龐大的實(shí)用下載資料庫(kù) (負(fù)責(zé)整理 . 版權(quán)歸原作者所有 ) 1) 構(gòu)成 will / be going to do sth. 2) 概念 a. 狀態(tài)完成:表示某事繼續(xù)到將來(lái)某一時(shí)為止一直有的狀態(tài)。因此 前一句應(yīng)用過(guò)去進(jìn)行時(shí)。 When the police arrived, the thieves had run away. c. 表示意向的動(dòng)詞,如 hope, wish, expect, think, intend, mean, suppose 等,用過(guò)去完成時(shí)表示 原本 … ,未能 … We had hoped that you would e, but you didn39。m sorry to keep you waiting. Oh, not at all. I ___ here only a few minutes. A. have been B. had been C. was D. will be 答案 A. 等待的動(dòng)作由過(guò)去開(kāi)始,持續(xù)到現(xiàn)在,應(yīng)用現(xiàn)在完成時(shí)。 典型例題 中國(guó)最龐大的實(shí)用下載資料庫(kù) (負(fù)責(zé)整理 . 版權(quán)歸原作者所有 ) 1. You don39。t e back until ten o39。 He has pleted the work. 他已完成了那項(xiàng)工作。 ) I have worked here for many years. (現(xiàn)在我仍在這里工作。 (錯(cuò)) I have received his letter for a month. (對(duì)) I haven39。s the first time I ___ here. A. even, e B. even, have e C. ever, e D. ever, have e 答案 D. ever 意為曾經(jīng)或無(wú)論何時(shí),反意詞為 never,此兩詞常用于完成時(shí)。 This is the first time (that) I39。s already been sent for. 句子中如有過(guò)去時(shí)的時(shí)間副詞(如 yesterday, last, week, in 1960)時(shí),不能使用現(xiàn)在完成時(shí),要用過(guò)去時(shí)。) She has returned from Paris. 她已從巴黎回來(lái)了。) I have seen 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。 比較過(guò)去時(shí)與現(xiàn)在完成時(shí) 中國(guó)最龐大的實(shí)用下載資料庫(kù) (負(fù)責(zé)整理 . 版權(quán)歸原作者所有 ) 1)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。 I39。 When Bill es (不是 will e), ask him to wait for me. I39。 I am to play football tomorrow afternoon. (客觀安排 ) I39。 He is about to leave for Beijing. 注意: be about to 不能與 tomorrow, next week 等表示明確將來(lái)時(shí)的時(shí)間狀語(yǔ)連用。 What are you going to do tomorrow? b. 計(jì)劃,安排要發(fā)生的事。 一般將來(lái)時(shí) 1) shall 用于第一人稱,常被 will 所代替。t B. couldn39。 Did you want anything else? I wondered if you could help me. 2)情態(tài)動(dòng)詞 could, would. Could you lend me your bike? used to / be used to used to + do: 過(guò)去常常 表示過(guò)去習(xí)慣性的動(dòng)作或狀態(tài),但如今已不存在。 Christine was an invalid all her life. (含義:她已不在人間。 I39。 When I was a child, I often played football in the street. Whenever the Browns went during their visit, they were given a warm wele. 3)句型: 中國(guó)最龐大的實(shí)用下載資料庫(kù) (負(fù)責(zé)整理 . 版權(quán)歸原作者所有 ) It is time for sb. to do sth 到 …… 時(shí)間了 該 …… 了 It is time sb. did sth. 時(shí)間已遲了 早該 …… 了 It is time for you to go to bed. 你該睡覺(jué)了。再如: Now watch me, I switch on the current and stand back. 第二句中的 now 是進(jìn)行時(shí)的標(biāo)志,表示正在進(jìn)行的動(dòng)作的客觀狀況,所以后句用一般現(xiàn)在時(shí)。 中國(guó)最龐大的資料庫(kù)下載 注意:此用法如果出現(xiàn)在賓語(yǔ)從句中,即使主句是過(guò)去時(shí),從句謂語(yǔ)也要用一般現(xiàn)在時(shí)。 中國(guó)最龐大的實(shí)用下載資料庫(kù) (負(fù)責(zé)整理 . 版權(quán)歸原作者所有 ) 語(yǔ)法百科全書(shū) 一般現(xiàn)在時(shí)的用法 1) 經(jīng)常性或習(xí)慣性的動(dòng)作,常與表示頻腮度的時(shí)間狀語(yǔ)連用。 Pride goes before a fall. 驕者必?cái)?。t want so much. Ann Wang writes good English but does not speak well. 比較: Now I put the sugar in the cup. 中國(guó)最龐大的實(shí)用下載資料庫(kù) (負(fù)責(zé)整理 . 版權(quán)歸原作者所有 ) I am doing my homework now. 第一句用一般現(xiàn)在時(shí),用于操作演示或指導(dǎo)說(shuō)明的示范性動(dòng)作,表示言行的瞬間動(dòng)作。 Where did you go just now? 2)表示在過(guò)去一段時(shí)間內(nèi),經(jīng)常性或習(xí)慣性的動(dòng)作。寧愿某人做某事 39。 比較: 一般過(guò)去時(shí)表示的動(dòng)作或狀態(tài)都已成為過(guò)去,現(xiàn)已不復(fù)存在。 1)動(dòng)詞 want, hope, wonder, think, intend 等。s 69568442. A. didn39。t 答案 A. 本句雖沒(méi)有明確的時(shí)間狀語(yǔ),但從語(yǔ)意上看 出,在聽(tīng)的時(shí)候沒(méi)有聽(tīng)懂這個(gè)動(dòng)作發(fā)生在過(guò)去,因此應(yīng)用過(guò)去時(shí)。 a. 主語(yǔ)的意圖,即將做某事。 We are to discuss the report next Saturday. 4) be about to +不定式,意為馬上做某事。 中國(guó)最龐大的實(shí)用下