牛津小学英语Be动词语法详解及测试

1、一、be动词的用法Be动词包括：am（过去式 ）, is （过去式 ）, are（过去式 ） I 用 ，you 用 , 复数都用 ， 用在其他。一、口诀：我用am, 你用are, is用在他她它，复数全用are。be动词的用法歌谣:be动词有三兄弟：is，am, are 。I(我)用am,you(你)用are,is跟着he(他) she(她) it(它)，we(我们)you(你们)和they(他们)，复数（两人以上）永远连着are. 解析: I am; You are; He is;She is; It is; We are; You are; They are.1.否定句只需要在be动词后加

2、 not,即:am not, is not = isnt are not = arent2.一般疑问句只需要将be动词提前至句首.即: Is .? 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、人称代词和物主代词 1人称代词主格和宾格的区别：主格通常位于句中第一个动词之前（有时候位于than 之后），宾格一般位于动词或介词之后。 2物主代词形容词性与名词性的区别：形容词性用时后面

3、一般要带上名词，名词性则单独使用，后面不带名词。 一.填写代词表主格。主格Iitwe 宾格youthem名词性物主代词hisyour名词性物主代词hers三、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 in the dining room. My hair is long. My hair is not long. Her eyes are small. Her eyes are no

4、t 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_。四、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. 五、 Be动词在一般过去时中的变化：am-was is -was are-were am 和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）

5、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.六、the

6、re 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.学习小结：1

7、 be 动词的用法：我用_; 你用_; _用在他她它;复数全用_。2在有be动词的句子中，改否定句时只要在be动词_加上_。改一般疑问句时，将_移到句首。3 be动词在一般过去时中的变化：am-_ ; is -_; are-_4在there be 句型中，主语是单数，be 动词用_；主语是复数，be 动词用_； 如有几件物品，be 动词根据_的那个名词决定。综合练习一.用所给词的适当形式填空。1. That is not _ kite. That kite is very small, but _ is very big. ( I )2. The dress is _. Give it to

8、_. ( she ) 3. Is this _ watch? (you) No, its not _ . ( I ) 4. _ is my brother. _ name is Jack. Look! Those stamps are _. ( he ) 5. _ dresses are red. (we) What colour are _? ( you ) 6. Here are many dolls, which one is _ ? ( she ) 7. I can find my toy, but wheres _? ( you ) 8. Show _ your kite, OK?

9、(they) 9. I have a beautiful cat. _name is Mimi. These cakes are _. ( it ) 10. Are these _ tickets? No, _ are not _. _ arent here. ( they )11. Shall _ have a look at that classroom? That is _ classroom. ( we ) 12. _ is my aunt. Do you know _ job? _ a nurse. ( she ) 13. That is not _ pencil. _is at h

10、ome. ( he ) 14. Where are _? I cant find _. Lets call _ parents. ( they ) 15. Dont touch _. _ is not a cat, _ is a tiger! ( it ) 16. _ sister is ill. Please go and get _. ( she ) 17. _ dont know her name. Would you please tell _. ( we ) 18. So many dogs. Lets count _. ( they ) 19. I have a lovely br

11、other. _ is only 3. I like _ very much. ( he ) 20. May I sit beside _? ( you ) 二、按要求改写下列句子。1. I am a Chinese.（变为否定句） 2. This green bag is light. （变为一般疑问句，并作肯定回答） 3. There is an apple in the bag. (变为一般疑问句) 4. They are doing Taijiquan.（变为一般疑问句，并作否定回答） 5. Mum is going to cook Chinese food tonight. (变为一般疑问句) 6. They are Amys grandparents. （变为否定句）