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1、精选优质文档-倾情为你奉上一、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
2、 in 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i
3、s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 Ling _ eleven years old last ye
4、ar.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 in the glass.3、There_-some people under the
5、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? 3. Where _ your mother? She _ at home. 4. How _ your father? 5. Mike and Liu Tao _ at school. 6. Whose dress _ this? 7. Whose socks _ they? 8. That _ my re
6、d 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 _ over there. 句型转换1. It was exciting.否定句：_一般疑问句：_肯、否定回答：
7、_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 tree. 6. _ there any kites in the classroom? 7. _ there any apple
8、 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：_一般疑问句：_肯、否定回答：_专心-专注-专业
