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1、Be动词专项练习be动词的一般现在时有三种形式，即：am, is, are (翻译为“是”)1 .如果主语是第一人称I (我)时，be动词用am。如：lama student.我是一名学生。lam还可缩写成rm。如：Im David.我是大卫。am 与 not 不能缩写。如：lam not a bad boy.2 .如果主语是you (你，你们)，they (他们，它们，她们)或名词复数(两个以上的人 或物)时，be动词必须用are。如：Are you twelve?你是十二岁吗？Tom and Lily are good friends.汤姆和莉莉是好朋友。They are at schoo
2、l.他们在学校。are 与主语还可缩写。如： Weare=Were, They are zzlhe/re, You are=Youfreo 而 are 与 not 可缩写成arent。如：TheyarerTtstudents.他们不是学生。3 .如果主语是单数名词、不可数名词或单数第三人称代词(he,she, it)时，be动词用is。如:My mother is a teacher.我的妈妈是一名老师。He is a student.彳也是一名学生。is也可与主语缩写，如:He is = Hes, My mother is = My mothers等。但是This is不可缩写。而 is与n
3、ot可缩写成isnt。如:This isnt a book.这不是一本书。4 .句中含有be动词的陈述句变一般疑问句。把be动词提到句首，be动词要变大写。注意第一人称变第二人称。回答时用yes或no表 示，结构：Yes,主语+be动词，No,主语+be动词+not。如：It is a book.变为：Is it a txx)k?5 .句中含有be动词的肯定陈述句变否定句。先找肯定陈述句中的be动词，在be动词后加not.如：It is a book.变为：It is not a book.根据以上叙述我们可以把动词的用法以口诀的形式表述出来：我(I)用 am,你(you)用 are, is
4、连着他(he),她(she),它(it)；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。Be动词用法练习题：一.选择正确的be动词填空1.1 a student.2. Wefriends.3. He a good boy.4. She my sister.5. They my parents.7.1 a doctor.9. We having breakfast.11. Her sistera nurse.13. He my brother.15. His mother an actress.6. You
5、 11 years old.8. My father a policeman.10. Tomfrom Canada.12. They my good friends.14. She- ten.二.用适当的be动词填空1.1 a boy.you a boy? No, I not.2. The girl Jacks, sister.3. your brother in the classroom?4. Who I?5. The jeans on the desk.6. There a girl in the room.7. My sisters5 name Nancy.8. There some
6、apples on the tree.9. There a boy, two girls, three men and ten women in the park.10. The dog tall an fat.11. The men with big eyes our teacher.12. Where your mother? She at home.13. How oldyour father?14. Mike and Bobat school.15. Whose dress this?16. Whose socksthey?17. That my new book.18. Here a
7、 scarf for you.19. Here some bananas for you.20. The black gloves for Peter.21. This pair of shoes for you.22. There fnur bottles of milk on the table.23. Some tea in the glass.24. David and Helen from England?25. there any dictionaries in the classroom?26. there any apple juice in the bottle?27. Th
8、ere some bread on the plate.28. You, he and I from China.29. Here two pens and one book.30. your friends in Beijing?三.改写句子1. lama teacher.否定句：一般疑问句：否定回答:肯定回答：2. They are new students.否定句：一般疑问句：肯定回答：否定回答:3. He is a good boy at home.否定句：一般疑问句：肯定回答：否定回答:4. We are having an English class.否定句：一般疑问句：肯定回答：
9、否定回答:5. Bob is in Class One, Grade Six.否定句：一般疑问句：肯定回答：否定回答:6. She is form Jinan.否定句：一般疑问句：肯定回答：否定回答:7. lama good student at school.否定句：一般疑问句：肯定回答：否定回答:8. They are in the teachers5 office.否定句：一般疑问句：肯定回答：否定回答:9. His father is a postman.否定句：一般疑问句：肯定回答：否定回答:11. She is a singer.否定句：一般疑问句：肯定回答：否定回答：12. Th
10、ey are reading books.否定句：一般疑问句：肯定回答：否定回答:13. I am a smart boy.否定句：一般疑问句：肯定回答：否定回答:14. There is a dog over there.否定句：一般疑问句：肯定回答：否定回答:15. There are a lot of geese in the farm.否定句：一般疑问句：肯定回答：否定回答：16. His brother is a good- looking boy.否定句：一般疑问句：肯定回答：否定回答：17. We are friends.否定句：一般疑问句：肯定回答：否定回答:18. It is
11、 sunny today.否定句：一般疑问句：肯定回答：否定回答:be动词用法练习题(1)1 .选择正确的be动词填空。(1) I a student.(2) Wefriends.(3) He a good boy. (4) She is my sister.(5) They playing football. (6) You my friend.2 .现在进行时练习：1) I a boy.you a boy? No, I not.2) The girl Jacks sister.3) your brother in the classroom?4) Who I?5) The jeans on
12、 the desk.6) My sisters name Nancy.7) There a girl in the room.8) There some apples on the tree.9) There a boy, two girls, three men and ten women in the park.3 .句型转换：1.1 am ateacher .(转换成为一般疑问句并回答)2 .They are reading a book.(转换成为一般疑问句并回答)3 .He is playing computer games.(转换成为一般疑问句并回答)4 .We are havin
13、g an English class.(转换成为一般疑问句并回答)5 .She is dancing.(转换成为一般疑问句并回答)be动词用法练习题(2)1 .选择正确的be动词填空。1 ) I a doctor.2)My father a policeman.3)We having breakfast. 4) Mike from Canada.5)Her sister a nurse. 6)They my classmates.7)He my brother. 8)She a dancer.9)I a student. 10)His mother a housewife.2 .句型转换：1)
14、将下列各句转换成否定句。(1) I am drawing a picture.(2) They are playing football.(3) His father is a teacher.(4) We are having a music class.(5) She is a singer.3将下列各句转换成为一般疑问句并回答。(1) They are reading books.(2) I am a good student.(3) He is a policeman.(4) His brother is a postman.(5) We are playing snowball-fighting.