小学英语讲义be动词的用法及简写简缩形式的变法一。
在肯定句中一般把首字母换成'I am=I'm he is=he's they are=they'reshe is=she's we are=we're it is=it's Let us= Let'sThat is=that's what is= what's who is=who's where is=where's 注：Ｉwould =I'd(would里只留一个ｄ)I will=I'll(will中留两个ll)月份都是保留前三个字母当然第一个字母要大写This is 注：没有缩写二否定句的简写， not中的o换成'就好了否定句一般加not,只要把't = is not isn aren't = are not t = can not can'be动词的用法：二， are。
（不是我不是你不是复数）你用are, is用在他她它，复数全用我用am,动词提前到句首然后后面加？变成一般疑问句把benot 三把肯定句变成否定句直接在be动词后加相应练习 are 填空is用、am 、 Yeah, she______ astudent.1、 I ______ Jenny. He______ Peter. 、2 How old ______you? I'm ten.、 3 _______ this a cat? 4、 You _____ my friend.、5 What _____ this ? It's a cat. 6、6/ 1课堂小测试 am,is,are填空。
一、用1.I ________ Kitty.She _______ a student.friends. 2.Jane and Tom _________myMy sisters _______tall.3._______ there a table in the room?4.There _____ some glasses on it.5.There ________many monkeys in the zoo.二、写出下列完全形式的简缩形式。
I am=_____ he is= _____ they are=_____she is=_____ we are=_____ What is =_____let us=_____ is not=_____ are not=_____It is=_____课后练习一、写出下列完全形式的简缩形式。
we are=_____ what is=_____ they are=_____he is=_____ let us=_____ are not=_____1、my father_____ a doctor.我父亲不是一名医生。
2、_____ your name？你叫什么名字？3、_____ a girl.我是一名女孩。
4、they_____brother.他们不是兄弟。
二、用am,is,are填空。
I ___ She ___ They ___ We ___He You___Here ___ theseThat Those1.There_________ a beautiful rainbow in the sky.2.I _______ at school now.We ________ students.3.They ________ in the zoo.4.Yang Ling ________ ten years old.5.There ________ an apple on the plate.6.There ________ some milk in the glass7.The cat _______ on the chair.8.Where ________ your friends?How old __________ you?9.____she Kitty?_____ you Chinese?1It_____ a car.1. I ______ a boy. ______ you a boy? No, I _____ not.2. The girl______ Jack's sister.3. The dog _______ tall and fat.4.The jeans ______ on the desk.6/ 2be动词的肯定句和否定句二、有 I am not from London. Iam from London.He is a teacher. He is not a teacher.She is in the dining room. She is not in the dining room. My hair is long. My hair is not long.Her eyes are small. Her eyes are not small.归纳：在有be动词的句子中，改否定句时只要在be动词______加上_____。
三、有be动词的一般疑问句Am I a Chinese? Yes, you are. No, you aren't. Are they American? Yes, they are. No, they aren't. Is the cat fat? Yes, it is. No, it isn't.四、 Be动词在一般过去时中的变化：am--was is --was are--were⑴am 和is在一般过去时中变为was。
（was not=wasn't）⑵are在一般过去时中变为were。
（were not=weren't）⑶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：1.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 year.6. The mobile phone _______ on the sofa yesterday evening. 2.五、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 the big tree.4、There___________ a picture and a map on the wall.6/ 3六、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 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 shan's shirt _______ over 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：__________________________________________七、课后练习根据句意，用be动词的适当形式填空6/ 41. My sister's name ______Nancy.2. This ______ not Wang Fang's 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 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：__________________________________________2. There was a car in front of the house just now.否定句：________________________________________________一般疑问句：____________________________________________肯、否定回答：__________________________________________肯、否定回答：_________________________________________本课学习小结：1 be 动词的用法：我用_____; 你用_____; ______用在他她它;复数全用_____。