Be动词的用法口诀 我(I)用am，你(you)用are，is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。1我(I)用am,你(you)用are,is连着他(he),她(she),它(it)；这些是固定用法：I am a boy.(你不能说 I is a boy)You are a student.He is a boy.She is a girl.It is a cat.2单数名词用is,复数名词全用are.(主语个数是一个时,谓语用单数is,主语个数为2个或以上,谓语用复数are.)The book is over there.(一本书）The books are over there.（多本书）.They/We/You are students.3变疑问,往前提,句末问号莫丢弃.(陈述句中谓语为is,are,am时,变疑问句只将其提前）如：It is a book.变为：Is it a book?They are students.变为：Are they students?I am a student. 变为: Are you a student?(第一、第二人称要互换，be动词也相应变化。4变否定,更容易,be后not莫忘记.如：It is a book.变为:It is not a book.(否定句）They are students.变为：They are not students.I am a student. 变为: I am not a stuent.5疑问否定任你变,句首大写莫迟疑.如：It is a book.变为：Is not it a book?(疑问否定句）They are students. 变为: Arent they students? (疑问否定句）不能缩略：1.this is,am not,these/those are 2.一般疑问句中，肯定回答时答语不能缩写。Yes,I am.一用be动词适当的词填空。1. I _ from Australia.2. She _ a student.3.Jane and Tom _ my friends.4. My parents _ very busy every day.5.Li Lei and I classmates.6.I _ an English teacher now.7.Where _ you from?8.You and hein the same class.9.-What color these shoes? - Theygreen.10.The light _ green.11.My name _ Li Dong.I _ twelve.12._ they your new friends?13. -I _ a boy. _ you a boy? -No, I _ not.14. The girl_ Jacks sister.15. The dog _ tall and fat.16. _ your brother in the classroom?17. Where _ your mother? She _ at home.18. Whose dress _ this?19.That _ my red skirt.20.Who _ I?21. Some tea _ in the glass.22.Gao shans shirt _ over there.23. My sisters name _Nancy.24. This _ not Wang Fangs pencil.25. _ David and Helen from England?26. We _ friends.27. She _ a teacher.28. I _ a girl.29. Many ants _ in my house.30.His mother _ fat.31.He _ in Class4, Grade1.32.What _ your name?33. These _ buses.34. What class _ you in?35.It_ a car.36.Helen_ a student37.This _my book.38.My father_a cook.39.Jacks friend_in Class One.40.You _ a doctor.41. They _ cars.42.That_her dog.43.The cat_on the desk.44.The books_under the table.45.Here _ my ball.46.Those _oranges. 47.How old _your teacher? 48.How _ your father?49. Eric and Kathy _ my students. 50.The man _ a teacher.二.选择1.She _ Miss Hen. A.be B.am C.is2.I _ sorry. A./ B.am C.are3.Here _ my ball. A.is B.are C.am4.You _ number eight. A.are B.is C.am5.What_this？ A.is B.are C.be6.Helen_ a student. A.be B.am C.is7.Those _oranges. A.is B.are C.am8. How old _your teacher? A.be B.am C.is9. Where _ _ her mother? A.are B.is C.am10.The two cups of milk _ for me. A.is B.are C.be11. Eric and Kathy _ my students. A.are B.is C.am12. Your books _ not good. A.is B.are C.be13. He _ a boy. A.be B.am C.is14. It _ my dog. A.is B.are C.be15.Whose socks _ they? A.are B.is C.am16. _ there any chairs in the classroom. A.Is B.Are C.Am17 .The man with big eyes _ a teacher. A.be B.am C.is18.How _ your father? A.is B.are C.be19.Mike and Liu Tao _ at school. A.are B.is C.am20.I _ a student. A.be B.am C.is21. They _ teachers. A.is B.are C.be22.This_my mother. A.are B.is C.am23._ you a student? Yes,I am. A.Am B.Is C.Are24.The jam _ good for my grandma. A.is B.are C.be三.写出下列词适当形式:1.I am (缩略形式) _ 2.is (复数)_3.we are (缩略形式) _ 4.are not(缩略形式) _5.is not (缩略形式) _ 用am, is, are 填空1. Lily and Lucy twins.2. This a bus. That a bike.3. What it? It a pencil.4. Where her shoes?5. Li Lei and I classmates.6. It about eight oclock.7. Your sister not here.8. these books? Yes, they .9. you a teacher? No,I not.10. your mother a doctor? Yes, she .11. There some orange in the bottle.12. The boys from Japan.13. your sister good at drawing? No, she not.14. There not any students in the room.15. You and hein the same class.16. Your mother and father workers.17. China a big country.18. What your name? My name Jim.19. What your phone number? It 7556666.20. What color these shoes? Theygre