be动词练习题be 动词用法歌： 动词用法歌： 我用 am,you用 are，is 连接他，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。 1. I _ a teacher. 2. Tom and I _ at school now.3. _ you good at English.4. A: What _ this in English? B: It _ an English book.5. A: What _ those over there? B: They _ pears.6. You and I _ good friends.7. Those _ red erasers. 8. Look at this cat. It _ lovely.9. Mary _a nice girl.10. Mike _ ill today.11. I _ a boy. _ you a boy? 12. The girl_ Jacks sister. 13. The dog _ tall and fat. 14. The man with big eyes _ a teacher.15. _ your brother in the classroom? 16. Where _ your mother? 17. Mike and Liu Tao _ at school. 18. Whose dress _ this? 19. That _ my red skirt. 20. Who _ I? 21.The jeans _ on the desk. 22. Here _ some sweaters for you.