成人零基础英语常用9种时态课件.ppt

常用的9种时态： 一般 进行 完成 现在 work am/is/are working have/has worked 过去 worked was/were working had worked 将来 will work will be working will have worked 1.一般现在时 一般动词主语为第三人称的单数加S （1）表示经常发生或习惯性的动作或状态 （2）表示现在的动作或状态 there are many visitors in the Zoo。 在动物园里有很多客人。 Here comes the bus. 公车来了。 （3）表示客观事实或普遍用法 We?often?write?to?each?other. David often sleeps during class. My parents take excrcise in the park every morning . 常与always，usually，often，sometimes，every?day，once?a?week，yearly每年，monthly每月， 等时间状语或频率副词连用。 The sun rises in the east. Light goes faster than sound The earth moves around the sun. （4）用于状语从句代替一般将来时 eg.You will succeed if you try . I will tell him about it as soon as I see him next Monday. 常与连词：when , as soon as , before , after , until , if 如果，等引导的时间状语或条件状语从句 1）在确定的过去时间里所发生的动作或存在的状态。 　 时间状语有：yesterday, last week, an hour ago等。 　 Where did you go just now? 2）表示在过去一段时间内，经常性或习惯性的动作。 When I was a child, I often played football in the street. 3）wish, wonder, think, hope 等用过去时，作试探性的询问、请求、建议等。 　I thought you might have some. 2一般过去时 一般动词过去式动词不分人称加 ed  1)be going to +不定式，表示将来。 表示用于实现性非常高的事或事先计划好的未来。 Tomorrow , morning afternoon evening， the day after tomorrow . Next week /year , in＋时间--In a few day (几天后) in a week ( 在一星期之后) What are you going to do tomorrow? I’m going to visit my uncle tomorrow . I have to buy the ladder because I’m going to paint the house . I don’t feel good .I’m afraid that I’m going to be sick. 恐怕要感冒了。 Are they going to have a party on christmas Eve? Will(将要)---will ＋原型动词 表示纯粹的未来 We will leave school soon. I will not change my mind . 我不会改变主意。/ I’ll not /I won’t I will be 20 years old next year. 我明年将20岁了。（ 不能用am going to ） A:I can’t move this large box . B:I’ll do it for you .我会帮你做。 3一般将来时 2)be +不定式表将来，按计划或正式安排将发生的事。 We are to discuss the report next Saturday. 3)be about to +不定式，意为马上做某事。 He is about to leave for Beijing. 4.现在进行时 be（am/is/are）+现在分词 3表示最近的未来即将发生动作。Come go