最新一般现在时动词第三人称单数变化规则
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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词尾的变化上,其规律为:(与名词变成复数的变法大致相同。)
五、一般现在时的句子转换
(1)当句子中有be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:
①陈述句:She is a student.
一般疑问句→ Is she a student?
否定句→ She is not a student.
②陈述句:I can swim.
一般疑问句→ Can you swim
否定句→ I can not sw im.
(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don’t(I,you,以及复数), doesn’t(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:
①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 don’t get up a t 7:00 every morning.
②陈述句:She has a little brother.
一般疑问句→ Does she have a little brother?
否定句→ She doesn’t 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 likes 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 Lucy's. 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_______ 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 parents _________ (read) newspapers every day?
7. There ________(be) some water in the bottle.