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学科网(北京)股份有限公司 动词的常用八大时态 8种时态形式(以do为例) 一般现在时 (be) /do/does I do homework every day. 一般过去时 (was/were/)did I did homework yesterday. 一般将来时 be going to +do;will/shall +do I will do homework this evening 现在进行时 am/is/are +doing I am doing homework now. 过去进行时 was/were +doing I was doing homework at 10:00 last night. 过去完成时 had done He had left when I arrived. 现在完成时 has /have done I have just finished my work 现在完成进行时 have/has+been+doing I have been waiting for two hours 不同时态对应的被动语态 主动语态 被动语态 一般时 现在∶do/does 现在∶ be/is/are done 过去∶did 过去: was/were done 将来∶will/shall do 将来∶ will/shall be done 过去将来∶would do 过去将来∶ would be done 进行时 现在∶ am/is/are doing 现在∶am/is/are being done 过去∶was/were doing 过去∶ was/were being done 完成时 现在∶have/has done 现在∶have/has been done 过去∶ had done 过去∶ had been done 将来∶will have done 将来∶will have been done 过去将来∶would have done 过去将来∶would have been done ◎一般现在时 1.概念:表示现在发生的动作、情况、状态和特征/经常性、习惯性动作。 Past now future 2.标志词: 标志词 频率副词 sometimes, often, always, usually, seldom,never every系列 every day / night / week / month / year once/twice/three times... once a day/week每天/周一次; twice /three times...a month每月两/三次.....@陈豆豆爱英语 3.结构:主语+动词原形/第三人称单数+其他 动词第三人称单数形式构成 大多数动词在词尾直接加s read → reads look→ looks 以辅音字母加y结尾的动词,要先将y变为i再加es carry →carries study →studies 以“s, x, ch, sh”结尾的,在词尾加“es”,发音为[iz] teach-teaches watch-watches 特殊变化 go-goes do-does have-has 4.用法: (1)表示经常性或习惯性的动作或存在的状态; They get up at five every morning. 他们每天早晨五点起床。 (2)客观事实和普遍真理 The earth goes around the sun. (3)表示一个按规定、计划或安排要发生的动作,(仅限于某些表“来、去、动 、停、开始、结束、继续”等的动词 )可以与表示未来时间的状语搭配用 The next flight leaves at 3 o'clock this afternoon.下一趟航班今天下午3点起飞 (4)在由 when, after, before, until, till, as soon as,等引导的时间状语从句或由if, so/as long as, once, even if, although, whether…or…, in case, whatever, whenever, wherever 等引导的条件状语从句中,通常用一般现在时代替一般将来时(主将从现) When you finish the report, I will hand it to Mr Ma.等你完成这份报告的时候,我就把它交给马老师 5.对应的否定和疑问句式 结构 一般疑问句 否定句形式 1.be动词:主语+be+表语 2.实义动词(原形/三单) 主语+v.+宾语 I am a teacher. I like English. She likes Englis