1、Be 動詞專項練習be動詞的一般現在時有三種形式，即：am, is, are（翻 譯為 “是 ”）1 .如果主語是第一人稱I （我）時，be動詞用am。如：I am a student我是一名學生。I am還可縮寫成I'm。如：I'm David.我是大衛。am 與 not 不能縮寫。如： I am not a bad boy.2 .如果主語是you （你，你們），they （他們，它們，她們）或名詞復數（兩個以上的人或物）時，be 動詞必須用are。如：Are you twelve?爾是十二歲嗎？Tom and Lily are good friend揚姆和莉莉是好朋 友。T

2、hey are at school 他們在學校。are 與主語還可縮寫。如： We are= We'r，e They are=They're, You are = You'ren are與 not 可縮寫成 aren't。 如：They aren't student他們不是學生。3 . 如果主語是單數名詞、不可數名詞或單數第三人稱 代詞(he, she, it日be動詞用is。如:My mother is a teach哦的媽媽是一名老師。He is a student他是一名學生。is 也可與主語縮寫,如 : He is = He's, My

3、mother is = Mymother's等。但是This is不可縮寫。而is與not可縮 寫成 isn't。如:This isn't a book不是一本書。4 .句中含有be動詞的陳述句變一般疑問句。把be動詞提到句首，be動詞要變大寫。注意第一人 稱變第二人稱。回答時用yes或no表示，結構：Yes,主 語+be動詞，No,主語+be動詞+noi如：It is a book.變為：Is it a book?5 .句中含有be動詞的肯定陳述句變否定句。先找肯定陳述句中的be動詞，在be動詞后加not.如：It is a book.變為:It is not a b

4、ook.根據以上敘述我們可以把動詞的用法以口訣的形式表述出來：我(I)用 am,你(you用 are,is連著他(he),她(she)它 (it)；單數名詞用is,復數名詞全用are變疑問，往前提，句末問號莫丟克變否定，更容易，be后not莫忘記。 疑問否定任你變，句首大寫莫遲疑。Be動詞用法練習題：一,選擇正確的be動詞填空1. I a student.3. He a good boy.5. They my parents.old.7. I a doctor. policeman.9. We having breakfast.Canada.11. Her sister a nurse.fri

5、ends.13. He my brother.15. His mother an actress.2. We friends.4. She my sister.6. You 11 years8. My father a10. Tom from12. They my good14. She ten.二,用適當的be動詞填空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 the desk.6. There a girl

6、 in the room.7. My sister name Nancy.8. There some 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 old your father?14. Mike and Bob at school.15. Whose dress th

7、is?16. Whose socks they?17. That my new book.18. Here a scarf for you.19. Here some bananas for you.20. The black gloves for Peter.21. This pair of shoes for you.22. There four bottles of milk on the table.23. Some tea in the glass.24. David and Helen from England?25. there any dictionaries in the c

8、lassroom?26. there any apple juice in the bottle?27. There 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.改寫句子1. I am a teacher.否定句：一般疑問句：肯定回答：否定回答：2. They are new students.否定句：一般疑問句：肯定回答：否定回答：3. He is a good boy at home.否定句：一般疑問句：肯定

9、回答：否定回答：4. We are having an English class.否定句：一般疑問句：肯定回答：否定回答：5. Bob is in Class One, Grade Six.否定句：一般疑問句：肯定回答：否定回答：6. She is form Jinan.否定句：一般疑問句：肯定回答：否定回答：7. I am a good student at school.否定句：一般疑問句：肯定回答：否定回答：8. They are in the teachseorffice.否定句：一般疑問句：肯定回答：否定回答：9. His father is a postman.否定句：一般疑問句：肯定回答：否定回答：10. We are doing our homework.否定句：一般疑問句：肯定回答：否定回答：11. She is a singer.否定句：一般疑問句：肯定回答：否定回答：12. They are reading books.否定句：一般疑問句：肯定回答：否定回答：13. I am a smart boy.否定句：一般疑問句：肯定回答：否定回答：14. There is a dog over there.否定句：一般疑問句：肯定回答：否定回答：15. There are a lot of geese in the farm.否定句