1、人稱代詞主格和賓格的區別：主格通常位于句中第一個動詞之前(有時候位于than 之后)，賓格一般位于動詞或介詞之后。

　　2、物主代詞形容詞性與名詞性的區別：形容詞性用時后面一般要帶上名詞，名詞性則單獨使用，后面不帶名詞。

　　人稱代詞 物主代詞 主格 賓格 形容詞性 名詞性

　　我 I me 我的 my mine

　　你，你們 you you 你的，你們的 your yours

　　他 he him 他的 his his

　　她 she her 她的 her hers

　　它 it it 它的 its its

　　我們 we us 我們的 our ours

　　他(她，它)們 they them 他(她，它)們的 their theirs

　　練習

　　一.用所給詞的適當形式填空

　　1. That is not _________ kite. That kite is very small, but _________ is very big. ( I )

　　2. The dress is _________. Give it to _________. ( she )

　　3. Is this _________ watch? (you) No, it's 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 where's _________? ( you )

　　8. Show _________ your kite, OK? (they)

　　9. I have a beautiful cat. _________name is Mimi. These cakes are _________. ( it )

　　10. Are these _________ tickets? No, _________ are not _________. _________ aren'there. ( 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 _________ camera. _________is at home. ( he )

　　14. Where are _________? I can't find _________. Let's call _________ parents. ( they )

　　15. Don't touch _________. _________ not a cat, _________ a tiger!

　　16. _________ sister is ill. Please go and get _________. ( she )

　　17. _________ don't know her name. Would you please tell _________. ( we )

　　18. So many dogs. Let's count _________. ( they )

　　19. I have a lovely brother. _________ is only 3. I like _________ very much. ( he )

　　20. May I sit beside _________? ( you )

　　21. Look at that desk. Those book are on _________. ( it )

　　22.The girl behind _________ is our friend. (she )

　　二、用am, is, are 填空

　　1. I ______ a boy. ______ you a boy? No, I _____ not.

　　2. The girl______ Jack's sister.

　　3. The dog _______ tall and fat.

　　4. The man with big eyes _______ a teacher.

　　5. ______ your brother in the classroom?

　　6. Where _____ your mother? She ______ at home.

　　7. How _______ your father?

　　8. Mike and Liu Tao ______ at school.

　　9. Whose dress ______ this?

　　10. Whose socks ______ they?

　　11. That ______ my red skirt.

　　12. Who ______ I?

　　13. The jeans ______ on the desk.

　　14. Here ______ a scarf for you.

　　15. Here ______ some sweaters for you.

　　16. The black gloves ______ for Su Yang.

　　17. This pair of gloves ______ for Yang Ling.

　　18. The two cups of milk _____ for me.

　　19. Some tea ______ in the glass.

　　20. Gao shan's shirt _______ over there.

　　21. My sister's name ______Nancy.

　　22. This ______ not Wang Fang's pencil.

　　23. ______ David and Helen from England?

　　24. There ______ a girl in the room.

　　25. There ______ some apples on the tree.

　　26. _______ there any kites in the classroom?

　　27. _______ there any apple juice in the bottle?

　　28. There _______ some bread on the plate.

　　29. There _______ a boy, two girls, three men and ten women in the park.

　　30. You, he and I ______ from China.