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动词时态.ppt

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动词时态.ppt

上传人:mh900965 2017/5/4 文件大小:928 KB

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动词时态.ppt

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文档介绍:Chapter 1 Tense 动词时态语态时态主动一般现在时一般过去时一般将来时过去将来时过去完成时现在完成时将来完成时现在进行时过去进行时 do/does did will do would do had done have /has + done will have + done am /is / are + Ving was /were + Ving 1 一般现在时的用法 1)经常性或习惯性的动作 1. I ______ ping-pong quite well, but I haven ’ t had time to play since the new year. A .will play B. have played C. played D. play 2) 客观真理,客观存在,科学事实或表示格言或警句。① Knowledge begins with practice. ② She said that the sea water is salty. In some parts of the world, such as in England , tea ____ with milk and sugar. A. is serving B. serves C. is served D. served 3) 按火车、汽车、飞机等时刻表将要发生的事。此时句中有时有将来的时间状语,但不用将来时此时主主语是物:车,船,飞机等 The train leaves at three this afternoon. 4 ) 在时间、条件、方式、让步状语从句中,用一般现在时代替一般将来时.(when, before,if,as soon as, unless …)① If it is fine tomorrow ,we will go to the countryside. 2 一般过去时的用法 1)表示过去发生的,和现在没有联系的动作或状态 1.----Look! Someone has spilt (溢出) coffee on the carpet. (地毯) ----Well , it _____ me. A. isn ’ t B. wasn ’ t C. hasn ’ t been D. hadn ’ t been 2.----I ’ ve bought a box of chocolates for our daughter. ---Oh, how good a dad! But she doesn ’ t like sweet things. _____ that? A. Don ’ t you know B. Haven ’ t you known C. Didn ’ t you know D. Hadn ’ t you known 3.----Was Mary in the office when you arrived there? ------Yes , but she _____soon afterwards. A. had left B. left C. would leave D. will leave 2)注意:一般过去时与过去进行时的区别: 一般过去时表示一个完成的动作,而过去进行时则表示一个没有完成且正在进行的动作。① I wrote a letter this morning. 今天上午我写了一封信。(信已写完) ② I was writing a letter this morning. 今天上午我在写一封信。(正在写,不一定写完) 1.----Has Tommy finished his job yet? ----I have no idea of it ; he ____ it this morning. A. was doing B. had been doing C. has done D. did she ____ the newspaper, Granny ______asleep. A read, was falling B. was reading ,fell C. was reading, was falling D. read ,fell 1) . 一般将来时表示计划、打算、企图做某事或来注定要发生的事情。 2) .表示将来时的四种形式①

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