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七年级上册英语专项练习
be 动词专练
be 动词用法歌: 我用 am,你用 are,is 连接他,她,它。单数名词用 is,复数名词全用 are。变疑问,往前提,句末问号莫丢弃。变否定,更容易,be 后 not 莫忘记。 疑问否定任你变,句首大写莫迟疑。
解析: I am; You are; He is; She is; It is; We are; You are; They are.
用 am, is, are 填空
1. I ______ a boy. ______ you a boy?
2. The girl______ Jack's sister.
3. The dog _______ tall and fat.
4. The man with big eyes _______ a teacher.
5. ______ your brother in the classroom?
6. Where _____ your mother?
7. How _______ your father?
8. Mike and Liu Tao ______ at school.
9. That ______ my red skirt.
10.The jeans ______ on the desk.
11. Some tea ______ in the glass.
12. Gao Shan's shirt _______ over there.
13. My sister's name ______Nancy.
14._____you American?
15. He _____ in Class 4, Grade 1.
16.It_____ a car. 28. They ____ cars .
17. ____ your mother in China?
18. What ____her name?
19.Those _____oranges.
20. Where _____ her mother?
21. How old _____your teacher?
22.What class _____ you in?
23. ______ your brother in the classroom?
含be动词的否定句和一般疑问句
【练习】 按要求完成下列各题。
1. She is my sister. (改为否定句)
________________________________
2. These are my books. (改为否定句)
________________________________
3. That is Anna’s eraser. (改为一般疑问句)
________________________________
4. They are my parents. (改为一般疑问句)
________________________________
5. I am Jane. (改为一般疑问句)
________________________________
【总结】
含be动词的否定句和一般疑问句都是在肯定句的基础上变换而来的。
【否定句】
变否定句时,在be动词(am, is, are)后面加否定词not即可。如:
I’m Linda. → I’m not Linda.
Her name is Jane. → Her name is not / isn’t Jane.
【一般疑问句】
变一般疑问句时,把be动词(am, is, are) 提到句首,首字母大写,句末加问号。肯定回答用Yes,否定回答用No。如:
Tom is my cousin. → Is Tom your cousin?
【特别提醒】
I’m …变一般疑问句时,通常为Are you …?
主谓一致法练习
在一般现在时中,当主语是第三人称单数时,谓语动词要用第三人称单数形式,即常在动词原形后加-s或-es。但有些同学们对于哪些主语是第三人称单数还不十分清楚,现归纳总结如下:
一、人称代词he, she, it是第三人称单数。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。
二、单个人名、地名或称呼作主语;是第三人称单数。如:
①Han Mei looks like her mother. 韩梅看起来像她的母亲。
②Beijing is in China. 北京在中国。
③Uncle Wang often makes cakes. 王叔叔经常做蛋糕。
三、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。如:
①A horse is a useful animal. 马是有用的动物。
②This book is yours. 这本书是你的。
③That car is red. 那辆小汽车是红色的。
④The cat is Lucy's. 这只猫是露茜的。
四、不定代词someone, somebody, nobody, everything, something等及指示代词this, that作主语时,是第三人称单数。如:
①Everyone is here. 大家到齐了。
②There is something wrong with the watch. 这块手表有毛病。
③This is a pen. 这是一支钢笔。
④That is an eraser. 那是一块橡皮擦。
五、不可数名词作主语时为第三人称单数。如:
①The milk is in the glass. 牛奶在玻璃杯里。
②The bread is very small. 那面包很小。
六、当数字或字母作主语时,看作第三人称单数。如:
①"6" is a lucky number. "6"是个吉利数字。
②"I" is a letter. "I"是个字母。
巩固练习题:
I.写出下列动词的相应形式:
1. 第三人称单数:
watch_________ listen _______ guess______ study______
do_________ go________ like ______ carry_________
II. 用所给动词的适当形式填空:
1.I ________(write) to my sister every week.
2. ______ Jerry ___________(do) homework every day?
3. Grandpa ________(like)__________(play) chess.
4. Tom’s family__________(watch) TV every night.
5. It ________(take) me two hours to finish my homework.
6. What ______ your mother usually _______(do) in the evening? She usually _______ (wash) clothes.
7. There ________ (be) a football match on TV this evening.
8. I _________ (know) the boy.
9. They __________(go) to work on Saturdays.
10. He usually _____________(come) to school early.
11. I often _____________(have) rice, meat and vegetables.
12. My grandfather _____________(play) sports in the park.
13. Miss Li ____________(teach) English in our school.
14. Alicia and Jerry ______________ (do) homework after school.
15. Her sister ____________(have) Chinese every day.
单数句变复数句,复数句变单数句
1.It is a bus._______________________________________
2.This is my sister._________________________________
3.He is his friend .__________________________________
4.That is her dictionary.______________________________
5.Those are boxes._______________________________
6.They are teachers.________________________________
7.These are desks .________________________________
8.We are boys. _____________________________
名词所有格的构成及用法
名词在句中表示所有关系、所属关系、动作执行者及动作承受者等意义时常需用所有格形式。名词所有格也称为属格、主格,它主要包括's所有格、of所有格和双重所有格三种表现形式。
定义:表示有生命的东西的名词及某些表示时间、距离、星球、世界、国家等无生命的东西的名词后加 ’s来表示所有关系,叫做名词所有格。
名词所有格的用法:
一、名词+ ’s (主要用于有生命的事物)
1、单数名词和不以-s结尾的复数名词在词尾加’s构成所有格
例如:
Jimmy’s book(吉米的书)
Jane’s schoolbag(简的书包)
Mark’s room (马克的房间)
Qianqian’s mother (倩倩的妈妈)
Children’s Day(儿童的节日、六一儿童节)
Wuhan’s summer is very hot.(武汉的夏天非常热。)
Qianqian ’s math is very good.(倩倩的数学很好。)
2、复数名词以-s结尾的只需要加’ 构成所有格。
例如:
Twins’ father is Mr. Brown. (双胞胎的爸爸是布朗先生。)
Girls’ favorite food is ice-cream. (女孩们最喜欢的食物是冰激凌。)
二、名词 +of +名词
如果名词是无生命的,我们通常就要用名词+of +名词的结构来表示所有关系。
例如:
A bag of mine= my bag (我的书包)
The name of the girl =the girl’s name (女孩的名字)
The window of the bedroom = the bedroom’s window(卧室的窗户)
三、特殊所有格
若一样东西为两人共有,则后一个人名用所有格;如果不是两人共有,而是各有各的,则两个名词都用所有格,且其后名词应为复数。
例如:
This is Tom and Jim’s room.
这是汤姆和吉姆共有的房间。
These are Tom’s and Jim’s rooms.
这些是汤姆和杰森各自的房间。
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