欧美人妖在线二区|青青在线视频人视频在线|色资源站欧美在线|精品久久久久久午夜福利

  1. <span id="zkbu1"></span>
      相關(guān)文章 搜索相關(guān)課程
      • 英語過去完成時(shí)的標(biāo)志詞及例題解析

        過去完成時(shí)表示"原本…,未能…" We had hoped that you would come, but you didn't. 3. 根據(jù)上、下文來判定。 I met Wang Tao in the street yesterday. We hadn't seen each other since he went to Beijing. 典型例題 (1) ---Do you know our town at all? ---No, this is the first time I ___ here. A. was B. have been C. came D. am coming 答案B. This is the first time 后面所加從句應(yīng)為現(xiàn)在完成時(shí),故選B。 (2) ---Have you ____ been to our town before? ---No, it's the first time I ___ here. A. even, come B. even, have come C. ever, come D. ever, have come 答案D. ever意為曾經(jīng)或無論何時(shí),反意詞為never,此兩詞常用于完成時(shí)。 This is the largest fish I have ever seen. It is / was the first time +that-clause 的句型中,從句要用完成時(shí)。 注意:非延續(xù)性動(dòng)詞的否定形式可以與表示延續(xù)時(shí)間的狀語連用。即動(dòng)作不發(fā)生的狀態(tài)是可以持續(xù)的。 (錯(cuò))I have received his letter for a month. (對(duì))I haven't received his letter for almost a month. 過去完成時(shí)的時(shí)間狀語before, by, until , when, after, once, as soon as。 He said that he had learned some English before. By the time he was twelve, Edison had began to make a living by himself. Tom was disappointed that most of the guests had left when he arrived at the party. 典型例題 The students ___ busily when Miss Brown went to get a book she ___ in the office. A. had written, left B,were writing, has left C. had written, had left D. were writing, had left 答案D. "把書忘在辦公室"發(fā)生在"去取書"這一過去的動(dòng)作之前,因此"忘了書"這一動(dòng)作發(fā)生在過去的過去,用過去完成時(shí)。句中when表示的是時(shí)間的一點(diǎn),表示在"同學(xué)們正忙于……"這一背景下,when所引導(dǎo)的動(dòng)作發(fā)生。因過去某一時(shí)刻或動(dòng)作以前完成了的動(dòng)作,也可以說過去的時(shí)間關(guān)于過去的動(dòng)作。即“過去的過去此前一句應(yīng)用過去進(jìn)行時(shí)。 注意: had no … when 還沒等…… 就…… had no sooner… than 剛…… 就…… He had no sooner bought the car than he sold it. ?

      • 過去完成進(jìn)行時(shí)與過去完成時(shí)的區(qū)別

        在有直接影響并且還在進(jìn)行的動(dòng)作。 例如: He had been waiting for two weeks. He was still waiting.(有一個(gè)表示一段時(shí)間的狀語) She had been suffering from a bad cold when she took the exam.她在考試之前一直患重感冒。 不過這個(gè)時(shí)態(tài)并不一定表示這個(gè)過去動(dòng)作將持續(xù)下去: 例如: She came back at six. She had been waiting for him three hours.(六點(diǎn)時(shí)她已經(jīng)沒有再等了) 而過去完成時(shí)(The Past Perfect Tense)表示過去某一時(shí)間或動(dòng)作以前已經(jīng)發(fā)生或完成對(duì)過去的某一點(diǎn)造成的某種影響或是結(jié)果。它表示動(dòng)作發(fā)生的時(shí)間是“過去的過去”,側(cè)重事情的結(jié)果。 例如: I had finished reading the book by ten o'clock last night到昨晚10點(diǎn)鐘,我已經(jīng)讀過去完成進(jìn)行時(shí)完了這本書。 要想完全掌握這兩種時(shí)態(tài),需得經(jīng)過大量的練習(xí),讀完這篇文章,請(qǐng)同學(xué)們趕緊拿起筆來,多多練習(xí),爭(zhēng)取能正確合理地使用這兩種時(shí)態(tài)!

      • 英語語法:過去完成時(shí)基本結(jié)構(gòu)

        由 had 加動(dòng)詞的過去分詞構(gòu)成。   例句:   She said she had never been to Paris. 她說她從未去過巴黎。   When the police arrived,the thieves had run away. 警察到達(dá)時(shí),小偷們?cè)缇团芰恕?  By the time he was twelve,Edison had begun to make a living by himself. 到了十二歲那年,愛迪生開始自己謀生。

      • 英語過去完成時(shí)測(cè)試練習(xí)題9(含答案)

        過去完成時(shí)既可表示過去某個(gè)時(shí)間或動(dòng)作之前所發(fā)生的事情,也可表示過去

      • 過去完成時(shí)及其被動(dòng)語態(tài)講解

        過去完成時(shí)。 The said the production costs had been reduced. The boy was reminded that his homework had not been handed in. The media reported more than 1,000 people had been killed in the earthquake. (3)根據(jù)語意可以判斷出動(dòng)作先后的被動(dòng)語態(tài),用過去完成時(shí) (1)常用過去完成時(shí)的幾種情況: ①by, by the end, by the time, until, before, since后接表示過去某一時(shí)過去完成時(shí)。 As the assignment had been done, he went on to search the Internet. He did what he had been told to 另:當(dāng)從句由 after,before,when或 as soon as引導(dǎo)時(shí),主句和從句都可以用一般過去時(shí)。 When he arrived, he called her. They locked the door before they left.

      • 過去完成時(shí)和現(xiàn)在完成時(shí)的區(qū)別

        行時(shí)往往表示動(dòng)作在重復(fù),現(xiàn)在完成時(shí)則常常不帶重復(fù)性。如: Have you been meeting her lately?(a) Have you met her lately?(b) (a)句有“經(jīng)常相會(huì)”之意,(b)句則沒有。(b)句如與often,every day等時(shí)間狀語連用,當(dāng)然也表示動(dòng)作在重復(fù)。 (5)現(xiàn)在完成進(jìn)完成時(shí)(Present perfect)過去發(fā)生并且已經(jīng)完成的動(dòng)作對(duì)現(xiàn)在造成影響或后果,過去某一時(shí)行時(shí)比較生動(dòng),有時(shí)含有明顯的感情色彩,而現(xiàn)在完成時(shí)往往只說明一個(gè)事實(shí),一種影響或結(jié)果,平鋪直 敘,沒有什么感情色彩可言。如: What have you been doing?(a) What have you done?(b) (a)句表示驚異。(b)句只是一個(gè)問題。 Have you been waiting long?(a) Have you waited long?(b) (a)句較(b)句生動(dòng)。又,(a)句比較口語化。 I have been wanting to meet you for long.(a) I have long wanted to meet you.(b) (a)句比(b)句更親切,更有禮貌。 Recently Mary has been doing her work regularly.(a) Recently Mary has done her work regularly.(b) (a)句顯然是在表揚(yáng)瑪麗。(b)只說明一個(gè)事實(shí)。 下面還有一例,頗為有趣: Who's been eating my apples?(a) Who's eaten my apples?(b) (a)句有強(qiáng)烈的感情色彩,表示憤怒不滿,(b)句只是希望回答的一個(gè)問題。又,(a)句兼有進(jìn)行時(shí)態(tài),所以有“蘋果未 被全部吃光”的意思,(b)句是完成時(shí)態(tài),說明“蘋果一個(gè)不剩了”。?

      • 過去完成進(jìn)行時(shí)和過去完成時(shí)區(qū)別

        過去完成進(jìn)行時(shí)作過。 He had worked before he decided to go to college. 3.我寫這篇有關(guān)愛爾蘭的小說以前,曾去過愛爾蘭。 I had been to Ireland before I wrote this book about Ireland's people. 4.我在上大學(xué)以前,已經(jīng)學(xué)過微積分。 I had studied calculus before I got into college. 5. 周一以前,已經(jīng)下過雪了。 It had already snowed before Monday. 三、如果我們要強(qiáng)調(diào)較早發(fā)生事件的連續(xù)性,我們可以用過去完成進(jìn)行式。過去完成進(jìn)行時(shí)和過去完成時(shí)惟一不同的地方是 had done 的地方一定要用had been doing 。以下是一些過去完成進(jìn)行式的例子: 1. I had been watching TV before you called me. 2. I had been

      • 英語過去完成時(shí)測(cè)試練習(xí)題4(含答案)

        過去完成時(shí)是考試中必不少的題型,想知道你學(xué)得怎么樣?想了解你掌握得是否踏實(shí),快來測(cè)測(cè)吧。

      • 英語過去完成時(shí)測(cè)試練習(xí)題8(含答案)

        過去完成時(shí)是考試中必不少的題型,想知道你學(xué)得怎么樣?想了解你掌握得是否踏實(shí),快來測(cè)測(cè)吧。

      • 英語過去完成時(shí)測(cè)試練習(xí)題7(含答案)

        過去完成時(shí)是考試中必不少的題型,想知道你學(xué)得怎么樣?想了解你掌握得是否踏實(shí),快來測(cè)測(cè)吧。