我用am，你用are，is连着他，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。
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.
6.I ______ an English teacher now.
7.Where _________ you from?
10.The light _________ green.
11.My name is _________ Li Dong.I _________ twelve.
12._________ they your new friends?
13. I ______ a boy. ______ you a boy? No, I _____ not.
14. The girl______ Jack's 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 shan's shirt _______ over there.
23. My sister's name ______Nancy.
24. This ______ not Wang Fang's 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 Class 4, Grade 1.
32.What _____ your name?
33. These _____ buses.
34. What class _____ you in?
35.It_____ a car.
36.Helen____ a student
37.This _____my book.
38.My father______a cook.
39.Jack’s friend____in Class One.
40.You ____ a doctor.
41. They ____ cars.
42.That______her dog.
