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.