最新一般现在时动词第三人称单数变化规则.doc
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1、精品资料一般现在时动词第三人称单数变化规则.一、概述一般现在时的概念和用法:(1)表示现阶段经常、反复、习惯性的动作;(2)表示目前的状况;(3)表示自然界的客观真理。二、一般现在时的结构时态的结构指的是动词的变化形式。一般现在时间有两种结构,一种是动词原形,用于主语为非第三人称时的情况;另一种为动词的第三人称单数形式,用于主语为第三人称时的情况。Eg1. We often get up early in the morning.Eg2. My father often gets up early in the morning.三、谈谈“主语为三单,其后动词s添”在一般现在时中,当主语为第三人
2、称单数时,谓语动词要用第三人称单数形式。可以简单叙述为“主语为三单,其后动词s添”。何谓第三人称单数?用一句话概括就是“非你、非我、非复数”,如he, she, it, my father, my mother, my sister, our English teacher, Tom, Mike, Liu Jia, China, my book, etc.Eg3.He sometimes goes to school by bike.Eg4.My father works in the hospital as a doctor.四、 一般现在时的肯定句中,主语为第三人称单数的动词变化主要体现在
3、词尾的变化上,其规律为:(与名词变成复数的变法大致相同。)规则原形第三人称单数形式1、一般情况下,直接在动词词尾+sgettakeplaygetstakesplays2、以s, x, sh, ch, o结尾的动词,在词尾+ esguessfixfinishteachgo和doguessesfixesfinishesteachesgoes和does3、以辅音字母+ y 结尾的动词,先把y变为i,再加esstudytryflycarryworrystudiestriesfliescarriesworries4、不规则动词(特殊情况)havebehasis五、一般现在时的句子转换(1) 当句子中有b
4、e动词或情态动词时,则把be动词或情态动词(can,could等等)提到主语的前面变成一般疑问句;在be动词或情态动词后面加not变成否定句.例:陈述句:She is a student.一般疑问句 Is she a student?否定句 She is not a student.陈述句:I can swim.一般疑问句 Can you swim否定句 I can not swim.(2) 当句子中即没有be动词,也没有情态动词时,则在主语前加助动词do (you,以及复数), does(单数she,he,it)变成一般疑问句;在主语后谓语动词前加助动词dont(I,you,以及复数), d
5、oesnt(单数she,he,it)变成否定句,助动词后的动词要变成动词原形。例:陈述句:We get up at 7:00 every morning.一般疑问句Do you get up at 7:00 every morning? 否定句We dont get up at 7:00 every morning.陈述句:She has a little brother.一般疑问句 Does she have a little brother? 否定句 She doesnt have a little brother.哪些主语是第三人称单数?1、 人称代词he, she, it;如:He l
6、ikes watching TV. 他喜欢看电视。She has lunch at twelve. 她十二点吃午餐。It looks like a cat. 它看起来像只猫。2、单个人名、地名或称呼作主语;是第三人称单数。如:Han Mei looks like her mother. 韩梅看起来像她的母亲。Beijing is in China. 北京在中国。Uncle Wang often makes cakes. 王叔叔经常做蛋糕。3、单数可数名词或this / that / the + 单数可数名词作主语时,是第三人称单数;A horse is a useful animal. 马是有
7、用的动物。This book is yours. 这本书是你的。That car is red. 那辆小汽车是红色的。The cat is Lucys. 只猫是露茜的。4、不可数名词作主语时为第三人称单数。如:The milk is in the glass.牛奶在玻璃杯里。The bread is very small. 那面包很小。The water is very cold. 那些水很凉。1、写出下列动词的第三人称单数。drink _ go _ stay _ make _ look _have_ pass_ carry _ come_ watch_plant_ fly _ study_
8、brush_ teach_catch_ wash_do_ like_ say_ learn _eat_ read_ sing_ buy_study_ come_plant(种植)_2、用括号内动词的适当形式填空。1. He often _(have) dinner at home.2. We _ (not watch) TV on Monday.3. Nick _ (not go) to the zoo on Sunday.4. _ they _ (like) the World Cup?5. What _they often _ (do) on Saturdays?6. _ your par
9、ents _ (read) newspapers every day?7. There _(be) some water in the bottle.8. My aunt _(look) after her baby carefully.9. The child often _(watch) TV in the evening.10. Mikes sister _ (cook) nice food. I _ (like) eating it very much.11. _ (do) your brother_ (watch) TV in the evening? No, he_ (not).
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