《unit5一般现在时.ppt》由会员分享，可在线阅读，更多相关《unit5一般现在时.ppt（34页珍藏版）》请在taowenge.com淘文阁网|工程机械CAD图纸|机械工程制图|CAD装配图下载|SolidWorks_CaTia_CAD_UG_PROE_设计图分享下载上搜索。
1、阶段专题复习阶段专题复习Unit 5动词种类动词有4类zxxk1、行为动词（实义动词）：含有实在的意义，表示动作或状态，在句中独立做谓语。2、连系动词：本身有一定的词义，但不能独立做谓语，必须与表语一起构成谓语，3、助动词：本身没有词义，不能独立作谓语，只能和主要动词一起构成谓语动词，表示否定、疑问、时态和其他语法形式。4、情态动词：表示有一定的意义，但不能独立作谓语，只能和主要动词一起构成谓语动词，表示说话人的语气和情态，情态动词没有人称和数的变化。行为动词有5种基本形式1.动词原形2.动词第三人称单数（三单）3、过去式4、过去分词学科网5、现在分词时态时态解密：谓语动词在不同时间状语限制下
2、的不同形式就是时态。时间状语不同，与其连用的时态也不同，谓语动词的形式也就不同。不同的动词形式和系动词、助动词、情态动词一起构成不同的时态。英语谓语动词有时态的变化时间状语不同，时态不同，动词形式也不同。1、我昨天来。I came yesterday.(came 过去式，一般过去时态）2、我今天来。I come today.（come动词原形，一般现在时态）3、我明天来。I will come yesterday.（will+动词原形，一般将来时态）英语谓语动词有人称、数的变化1、我今天来。I come today.(第一人称单数，动词原形）2、你/你们今天来。you come today.（
3、第二人称，动词原形）3、他今天来。He comes today.（第三人称单数，动词的第三人称单数）4、她今天来。She comes today.（第三人称单数，动词的第三人称单数）5、我们今天来。（第一人称复数，动词原形）We come today.6、他们今天来。They come today.（第三人称复数，动词原形）1.I have a soccer ball.（动原）2.You have a soccer ball.（动原）3.We have a soccer ball.（动原）4.You have a soccer ball.（动原）5.They have a soccer bal
4、l.（动原）6.He has a soccer ball.（三单）7.She has a soccer ball.（三单）8.Tom has a soccer ball.（三单）一般现在时态动原/三单的选用一般现在时态的用法：描述现在的动作或状态。一般现在时态的构成：主语+am/is/are 主语+动原/三单 魔法口诀：我动原，你动原，人们都动原，他、她、它和单数主语用三单。结论：谓语动词应与主语在人称时态和数上保持一致。行为动词第三人称单数的构成规则变化组卷网1.一般情况在词尾加s。like-likes work-works 2.以“辅音字母+y”结尾，变y为i+es。study-studi
5、es （play该怎样变？）3、以s、x、ch、sh、o结尾，加es watch-watches go-goes 不规则变化 have-has 含有实义动词陈述句变否定句1.I have a soccer ball.（动原）I dont have a soccer ball.2.You have a soccer ball.（动原）You dont have a soccer ball.3.We have a soccer ball.（动原）We dont have a soccer ball.4.You have a soccer ball.（动原）You dont have a socce
6、r ball.5.They have a soccer ball.（动原)They dont have a soccer ball.含有实义动词陈述句变否定句1.He has a soccer ball.（三单）He doesnt have a soccer ball.1.She has a soccer ball.（三单）She doesnt have a soccer ball.1.Tom has a soccer ball.（三单）Tom doesnt have a soccer ball.含有实义动词陈述句变否定句魔法口诀：肯定变否定很简单，分清动原和三单。实义动词是动原，dont直接
7、加在前；三单动词先还原，doesnt 加在动原前。dont=do notdoesnt=does not含有实义动词陈述句变一般疑问句1.I have a soccer ball.（动原）Do you have a soccer ball?Yes,I do.No,I dont.2.You have a soccer ball.（动原）Do you have a soccer ball?Yes,I do.No,I dont.3.We have a soccer ball.（动原）Do you have a soccer ball?Yes,we do.No,we dont.4.You have a
8、soccer ball.（动原）Do you have a soccer ball?Yes,we do.No,we dont.5.They have a soccer ball.（动原)Do they have a soccer ball?Yes,they do.No,they dont.含有实义动词陈述句变一般疑问句1.He has a soccer ball.（三单）Does he have a soccer ball?Yes,he does.No,he doesnt.2.She has a soccer ball.（三单）Does she have a soccer ball?Yes,s
9、he does.No,she doesnt.3.Tom has a soccer ball.（三单）Does Tom have a soccer ball?Yes,he does.No,he doesnt.4.Your brother has a soccer ball.（三单）Does your brother have a soccer ball?Yes,he does.No,he doesnt.5.Your sister has a soccer ball.（三单）Does your brother have a soccer ball?Yes,he does.No,he doesnt.
10、含有实义动词陈述句变一般疑问句魔法口诀：陈述变疑问很简单，分清动原和三单。陈述变疑问很简单，分清动原和三单。实义动词是动原，实义动词是动原，dodo就加在句子前；就加在句子前；三单动词先还原，三单动词先还原，does does 加在句子前。加在句子前。实义动词实义动词have的一般现在时的一般现在时【观察领悟】【观察领悟】仔细观察例句中当人称或句式变化时仔细观察例句中当人称或句式变化时have的用法。的用法。1.We have a big classroom.(当人称为第当人称为第_ 人称时，用人称时，用_)2.Lucy has a red pen.(当人称为第当人称为第_人称人称_数时，用数
11、时，用_)3.They dont have a soccer ball.(否定句为在实义动词前否定句为在实义动词前_)4.Does she have a ping-pong ball?(当人称为第三人称单数时，当人称为第三人称单数时，一般疑问句助动词用一般疑问句助动词用_)答案：答案：1.一；一；have 2.三；单；三；单；has 3.dont 4.does【探究总结探究总结】一、用法一、用法 动词动词have在句中有两种形式，在句中有两种形式，即：即：have和和has。_用用于第一、二人称及第三人称复数；于第一、二人称及第三人称复数；_用于第三人称单数。用于第三人称单数。二、句型二、句型
12、1.肯定句：主语肯定句：主语+have/has+宾语。宾语。2.否定句：主语否定句：主语+_/_ have+宾语。宾语。3.疑问句：疑问句：Do/_+主语主语+have+宾语宾语?havehasdont doesntDoes【实战演练实战演练】句型转换句型转换1.I have a computer.(改为一般疑问句改为一般疑问句)_ you _ a computer?2.His brother has a soccer ball.(改为否定句改为否定句)His brother _ _ a soccer ball.答案：答案：1.Do;have 2.doesnt have 3.Does he h
13、ave a ping-pong ball?(作否定回答作否定回答)_,_ _.4.Her uncle has five basketballs.(改为一般疑问句改为一般疑问句)_ her uncle _ five basketballs?5.I do my homework every day after school.(改为否定句改为否定句)I _ _ my homework every day after school.答案：答案：3.No;he doesnt 4.Does;have 5.dont do 本本单单元元以以“谈谈论论物物品品所所属属关关系系”为为话话题题，重重点点考考查查实实
14、义义动动词词have的的一一般般现现在在时时的的用用法法。这这也也是是单单元元测测试试和和期期中中、期期末末测测试中常考的话题作文之一。试中常考的话题作文之一。【习作在线习作在线】根根据据下下面面表表格格内内容容提提示示，写写一一篇篇英英语语短短文文，描描述述下下面面三三位位同同学学拥拥有有体体育育用用品品的的情情况况，可可对对某某种种体体育育运运动动作作适适当当评评价价。40个词左右。个词左右。NameThings she/he hasThings she/he doesnt haveLindaNameThings she/he hasThings she/he doesnt haveDav
15、idBob_【思路点拨思路点拨】(1)体裁：体裁：_。(2)人称：人称：_。(3)时态：时态：_。说明文说明文用第三人称用第三人称用一般现在时用一般现在时【佳作鉴赏佳作鉴赏】Linda has three basketballs and two soccer balls.She doesnt have baseballs.She thinks baseball is difficult.David has two baseballs but he doesnt have basketballs.Bob has a volleyball.He thinks its fun.Bob doesnt
16、have ping-pong balls.词汇速记词汇速记1.网球网球(n.)_2.听起来好像听起来好像(v.)_3.允许，让允许，让(v.)_4.同班同学同班同学(n.)_答案：答案：1.tennis 2.sound 3.let 4.classmate5.do(v.)_(第三人称单数第三人称单数)做；干做；干6.have(v.)_(第三人称单数第三人称单数)有有7.we(pron.)_(宾格宾格)我们我们答案：答案：5.does 6.has 7.us.短语互译短语互译1.打篮球打篮球 _ basketball2.看电视看电视 _ TV3.跟跟玩玩 play._.4.on TV _ 5.aft
17、er school _ 答案：答案：1.play 2.watch 3.with 4.在电视上在电视上 5.放学后放学后.句型攻关句型攻关1.你有篮球吗？你有篮球吗？是的，我有。是的，我有。_ you _ a basketball?Yes,I _.答案：答案：Do;have;do2.她有棒球拍吗？她有棒球拍吗？不，她没有。不，她没有。_ she _ a baseball bat?No,she _.3.我们没有足球，但汤姆有。我们没有足球，但汤姆有。We _ _ a soccer ball,_ Tom _.答案：答案：2.Does;have;doesnt 3.dont have;but;does.
18、词汇串记词汇串记Do You Have a Soccer Ball?Frank Brown 1 (没没有有)have a soccer ball,2 (但但是是)his brother Alan does.They go to the 3 (相相同同的的)school and they love soccer.They play it 4 (和和一起一起)their friends.Its 5 (令人放松的令人放松的).Gina 6 (有有)many balls and she loves sports,but she doesnt play them she only 7 (看看)them on TV.Wang Wei doesnt have a soccer ball.He thinks soccer is 8 (困困难难的的).He likes ping-pong.He thinks it is 9 (容容易易的的).He plays ping-pong 10 (在在之后之后)class.1._ 2._ 3._ 4._ 5._ 6._ 7._ 8._ 9._ 10._ 答案：答案：1.doesnt 2.but 3.same 4.with 5.relaxing 6.has 7.watches 8.difficult 9.easy 10.after