动词的基本形式

1、动词动词分类分类l 实义动词:有实际的意思 lrun touch read l 系动词: 要加其他词（名词或者形容词）一起，才能有完整的意思。 lBe (am isare) look听起来，feel觉得，smell闻起来，sound听起来，taste尝起来l l助动词：没有实际意思。只能与实义动词一起，表示不同的时态、语态以及构成否定和疑问句。lDo, does, have, has, will, did l 情态动词：表示说话人的能力、语气。它必须和动词原形在起来，才能表达完整的意思。 l can, may, should, must, need, could, might动词的基本形式动词

2、的基本形式l一、 动词原形：动词本身的状态。l write, eat, jump 二、一般现在时第三人称单数的构成：二、一般现在时第三人称单数的构成：l 1、一般情况在词后面+s l write-writesl 2、以o, s, x, sh, ch 结尾的动词+esl catch-catches, finish-finishesl 3、以辅音+y结尾的单词，把y变成i，再+esl fly-fliesl 4、不规则变化有： have-has, do-does 三、现在分词的构成三、现在分词的构成 1、一般情况在词尾+ing jumpingl 2、以不发音的e结尾，先去掉e. 再+ingl wri

3、tewritingl 3、以这个结构的单词（即辅音+一个元音+一个辅音），双写最后的辅音，再+ing.l runrunning, begin-beginningl 4、以ie结尾的，把ie变成y,再+ingl lie 躺-lying四、过去式和过去分词的构成四、过去式和过去分词的构成l 1、一般情况+edl askaskedl 2、以不发音的e结尾，+dl writewritedl 3、以辅音+y结尾的单词，把y变成i，+edl study-studiedl以这个结构的单词（即辅音+一个元音+一个辅音），双写最后的辅音，再+edl stopstopped1、经常性发生的事情、习、经常性发生的事

4、情、习 惯和爱好等惯和爱好等2、或者是指一些客观存在、或者是指一些客观存在 的事实或规律。的事实或规律。一般现在时：时间词有：时间词有：usually, often, always, never， sometimes，every dayI I play computer games.We We play computer games.You You play computer games.You You play computer games.He He plays computer games.She She plays computer games.It It plays computer

5、 games.They They play computer games.动词构成动词构成动词原型动词原型第三人称用动词单数形式第三人称用动词单数形式-sI I dont play computer games.WeWe dont play computer games.YouYou dont play computer games.YouYou dont play computer games.HeHe doesnt play computer games.SheShe doesnt play computer games.It It doesnt play computer games.T

6、heyThey dont play computer games.否定形式否定形式 do+ not第三人称用：第三人称用：does+notIDo you play computer games?WeDo you play computer games?YouDo I play computer games?YouDo we play computer games?HeDoes he play computer games?SheDoes she play computer games?ItDoes it play computer games?TheyDo they play computer

7、 games?一般疑问句一般疑问句用助动词用助动词do提问，后面不变提问，后面不变。 第三人称单数用第三人称单数用does提问，后面不变。提问，后面不变。 说话时正在进行的动作。说话时正在进行的动作。现在进行时：时间词有：时间词有：look, listen, now, Its .(几点了几点了) . 后的句子后的句子I I am playing computer games.We We are playing computer games.You You are playing computer games.You You are playing computer games.He He is

8、 playing computer games.She She is playing computer games.It It is playing computer games.TheyThey are playing computer games.动词构成动词构成 be+doingI I am not playing computer games.WeWe arent playing computer games.YouYou arent playing computer games.YouYou arent playing computer games.He He isnt playin

9、g computer games.She She isnt playing computer games.It It isnt playing computer games.TheyThey arent playing computer games.否定形式否定形式 be+ not +doingIAre you playing computer games?WeAre you playing computer games?YouAm I playing computer games?YouAre we playing computer games?HeIs he playing compute

10、r games?SheIs she playing computer games?ItIs it playing computer games?TheyAre they playing computer games?一般疑问句一般疑问句把把be拉到句首，后面的句子不变。拉到句首，后面的句子不变。 过去时间发生的事情，过去时间发生的事情，动作是在过去的时间做的。动作是在过去的时间做的。一般过去时：时间词有：时间词有：yesterday., just now, last+时时间间, .ago, this morning, When I was young，I I played computer g

11、ames.We We played computer games.You You played computer games.You You played computer games.He He played computer games.She She played computer games.It It played computer games.TheyThey played computer games.动词构成动词构成动词动词-ed不规变化的（特殊记忆）不规变化的（特殊记忆）I I didnt play computer games.WeWe didnt play compute

12、r games.YouYou didnt play computer games.YouYou didnt play computer games.He He didnt play computer games.She She didnt play computer games.It It didnt play computer games.TheyThey didnt play computer games.否定形式否定形式要加助动词要加助动词 did + not +动词动词原型原型注：注：原来动词一定要用原来动词一定要用原型原型。IDid you play computer games?W

13、eDid you play computer games?YouDid I play computer games?YouDid we play computer games?HeDid he play computer games?SheDid she play computer games?ItDid it play computer games?TheyDid they play computer games?一般疑问句一般疑问句用助动词用助动词Did提问，后面句子不变。注：提问，后面句子不变。注：用用did之后的动词一定是之后的动词一定是原型原型。总结总结动词时态动词时态名称名称 特征

14、词特征词 肯定句的动词肯定句的动词一般现在一般现在sometimes, usually, often always, every., 原形原形 第三人称单数第三人称单数现在进行现在进行look, listen, now, Its .(几点了几点了) . 后的句子后的句子 be + doing一般过去一般过去yesterday., just now, .ago, this morning, When I was young, 过去式过去式否定句、一般疑问句的结构否定句、一般疑问句的结构两种情况句中有be、can, may , must, would 的变法He is a student.They

15、 play piano.句中没有be、can, may , must, would ，只有具体动作具体动作的变法He can play piano.eg.eg.They read a story book.动词否定句一般疑问句原形在主语后dont句前Do ？ 第三人 称单数在主语后doesnt动词原形句前 Does 动词原形？过去式在主语后didnt动词原形句前Did动词原形？否定句一般疑问句只在其后not (some-any)将其放到句首.？句中没有be、can, may , must, would 的变法句中有be、can, may , must, would 的变法否定句、一般疑问句的结

16、构否定句、一般疑问句的结构句中有be、can, may , must, would 的变法：1、否定：直接加not；2、疑问：把这些词放句首。He is a student.He can play piano.eg.1、否定：、否定：He is not a student.2、疑问：、疑问：Is he a student?1、否定：、否定：He can not play piano.2、疑问：、疑问：Can he play piano?eg.否定句一般疑问句 动词后not Do？谨记：英语中有动作动作的句子只要是否定句和疑问句，即句子中有 not 或者有“?”的，一定要加助动词do。否定句、一

17、般疑问句的结构否定句、一般疑问句的结构小技巧：助动词do只根据时态变化而变化。如：一般现在时：dont；Do+？现在进行时： 因有be动词，不需要加助动词。一般过去时：didnt；Did +？句中没有be、can, may , must, would只有具体动作具体动作的变法：1、否定：加助动词do；2、疑问：把助动词放在句首，其他不变。They play piano.They read a story book.eg.否定：否定：They do not play piano.疑问：疑问：Do they play piano?否定：否定：They do not read a story book.疑问：疑问：Do they read a story book?eg.回答回答:Can you .? Yes, I can. No, I cant.Is he.? Yes, he is. No, he isnt.Do you .? Yes, I do. No, I dont. Does she .? Yes she does.