英语动词《第三人称单数形式》的变化规则说课材料.doc

英语动词《第三人称单数形式》的变化规则

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英语动词第三人称单数变化规则
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：
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+s
get
take
play
gets
takes
plays
2、以s, x, sh, ch, o结尾的动词，在词尾+ es
guess
fix
finish
teach
go和do
guesses
fixes
finishes
teaches
goes和does
3、以辅音字母+ y 结尾的动词先把y变为i，再加es
study
try
fly
carry
worry
studies
tries
flies
carries
worries
4、不规则动词（特殊情况）
have
be
has
is

1、变否定句：含有动词第三人称单数形式的句子变否定句时，要在动词前面加上doesn’t 或does not，动词的第三人称单数形式要还原成原形：格式为doesn’t/does not + 动词原形，如：
He goes to school at six in the morning. (变否定句)
→He doesn't go to school at six in the morning.
2、变一般疑问句：把含有动词第三人称单数形式的变成一般疑问句时，要借用助动词does，如：
She goes home at five every day.
→Does she go home at five every day?
--- Yes, she does./No, she doesn’t.

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。
。

例题引路：
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________
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.
8. My aunt _______(look) after her baby carefully.
9. The child often _______(watch) TV in the evening.
10. Mike’s sister ________ (cook) nice food. I _______ (like) eating it very much.
21. _______ (do) your brother_______ (watch) TV in the evening? No, he_______ (not).
3、选出正确的答案：
1. She (like / likes) to play football.
2. He (like / likes) drinking milk.
3. I (like / likes) to watch TV.
4. We (like / likes) to play badminton.
5. They (like / likes) to sing songs.
6. She (read / reads) books every day.
7. He (play / plays) computer games every day.
8. It (listen / listens) to the radio every day.
9. Linda (draw / draws) pictures every day.
10. Jane and Linda (play / plays) football every day.
5、把下列句子变为否定句：
1. We like playing football.

2. Linda swims every day.

3. They like playing games.

4. My father reads newspaper in the evening.

7、把下列句子变为疑问句，并做肯定和否定回答。
1. My brother can ride a horse.

4. We clean the classroom after school.
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