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1、1一、口诀：我用 am, 你用 are, is 用在他她它，复数全用 are。 例题： 1. I _ a boy. _ you a boy? No, I _ not. 2. The girl_ Jacks sister. 3. The dog _ tall and fat. 4.The jeans _ on the desk. 二、有 be 动词的肯定句和否定句 I am from London. I am not from London. He is a teacher. He is not a teacher. She is in the dining room. She is not i
2、n the dining room. My hair is long. My hair is not long. Her eyes are small. Her eyes are not small. 三、有 be 动词的一般疑问句Am I a Chinese? Yes, you are. No, you arent. Are they American? Yes, they are. No, they arent. Is the cat fat? Yes, it is. No, it isnt. 四、 Be 动词在一般过去时中的变化：am-was is -was are-were am 和
3、is 在一般过去时中变为 was。 （was not=wasnt）are 在一般过去时中变为 were。 （were not=werent）带有 was 或 were 的句子，其否定、疑问的变化和 is, am, are 一样，即否定句 在 was 或 were 后加 not，一般疑问句把 was 或 were 调到句首。 例题： I _ at school just now. 2. He _ at the camp last week. 3. We _ students two years ago. 4. They _ on the farm a moment ago. 5. Yang Li
4、ng _ eleven years old last year. 6. The mobile phone _ on the sofa yesterday evening. 五、there be 句型中 be 动词的用法 1、在 there be 句型中，主语是单数，be 动词用 is；主语是复数，be 动词用 are； 如有几件物品，be 动词根据最近 be 动词的那个名词决定。 2、there be 句型的否定句在 be 动词后加 not，一般疑问句把 be 动词调到句首。例题： 1、There_ a lot of sweets in the box. 2、There_ some milk
5、in the glass. 3、There_-some people under the the big tree. 4、There_ a picture and a map on the wall. 六、综合练习 用恰当的 be 动词填空。 1. The man with big eyes _ a teacher. 2. _ your brother in the classroom? 23. Where _ your mother? She _ at home. 4. How _ your father? 5. Mike and Liu Tao _ at school. 6. Whose
6、dress _ this? 7. Whose socks _ they? 8. That _ my red skirt. 9. Who _ I? 10. Here _ a scarf for you. 11. Here _ some sweaters for you. 12. The black gloves _ for Su Yang. 13. This pair of gloves _ for Yang Ling. 14. The two cups of milk _ for me. 15. Some tea _ in the glass. 16. Gao shans shirt _ ov
7、er there. 句型转换 1. It was exciting.否定句：_ 一般疑问句：_ 肯、否定回答：_ 2. All the students were very excited.否定句：_ 一般疑问句：_ 肯、否定回答：_ 课后练习 根据句意，用 be 动词的适当形式填空 1. My sisters name _Nancy. 2. This _ not Wang Fangs pencil. 3. _ David and Helen from England? 4. There _ a girl in the room. 5. There _ some apples on the t
8、ree. 6. _ there any kites in the classroom? 7. _ there any apple juice in the bottle? 8. There _ some bread on the plate. 9. There _ a boy, two girls, three men and ten women in the park. 10. You, he and I _ from China. 11.There_ a box of rubbers near the books. 12.There_ lots of flowers in our garden last year. 13.There_ a tin of chicken behind the fridge yesterday. 14.There_ four cups of coffee on the table. 15. There _ an apple on the plate yesterday. 16. There _ some milk in the fridge on Sunday. 句型转换 1. They were in his pocket.否定句：_3一般疑问句：_ 肯、否定回答：_
