小学动词时态讲解及练习.ppt

1、经常性发生的事情、习、经常性发生的事情、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 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.TheyThey 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 games?一般疑问句一般疑问句用助用助动词动词do提提问问，后面不，后面不变变。第三人称第三人称单单数用数用does提提问问，后面不，后面不变变。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 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 playing 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 computer 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+时间时间,.ago,this morning,When I was young，I I played computer games.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 computer 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+动词动词原原型型注：原来动词一定要用注：原来动词一定要用原型原型。IDid you play computer games?WeDid 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。提问，后面句子不变。注：用注：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 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.No,she doesnt.Did they.?Yes,they did.No,they didnt.Would you.?Yes,I would.No.I wouldnt.Were they.?Yes,they were.No,they werent.Should you.?Yes,I should.No,I shouldnt.技巧：用什么问，用什么答。动词动词(谓语谓语)He watches TV every day.He is watching TV now.He watched TV yesterday.