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一、区别has/have与am/is/are的用法：

has/have表示“有”，即“某人有某物”，

am/is/are表示“是”即“…是…”

二、有实义动词的一般现在时态的用法：动词原形和动词第三人称单数形式

(一)动词第三人称单数形式：动词+s/es，规则：

1)一般情况以及以e结尾的动词，直接加“s”，如：make----makes; come----comes

2) 动词以o，s，x，ch，sh,结尾，加“es”，如：do---does; watch----watches; wish---wishes; miss----misses; guess----guesses

3) 以辅音字母+y结尾的动词，先把y改为i，再加es, 如:study---studies

4)特殊情况：have----has

(二)句型转换：

1)主语为第三人称单数，否定句，在动词前加doesn’t, 再把动词改回原形，一般疑问句，在句首加does，再把动词改回原形,

回答用：Yes,人称代词+does./ No,人称代词+doesn’t. 如：

She has small eyes.        She doesn’t have small eyes.

-- Does she have small eyes? -- Yes, she does./ No, she doesn’t.

2) 主语为除第三人称单数之外的人称，否定句，在动词前加don’t, 一般疑问句，在句首加do, 回答用：Yes,人称代词+do./ No, 人称代词+don’t. 如：

They have small eyes.      They don’t have small eyes.

-- Do they have small eyes?  -- Yes, they do./ No, they don’t.

练习：

(  )1.. ---______ he American? ---Yes. He comes from America.

A. Are          B. Does           C. Do               D. Is

(  )2. ---Do you have a sister?  ---___________ .

A. Yes, you do   B. Yes, I do        C. Yes, I am.   D. Yes, you do.

(  )3. Ellen _____ an old book and her brothers _______ many new books.

A. has, has      B. have, have      C have, has     D. has, have

(  )4. What color _________ he like?

A.is            B. do            C. has             D. does

(  )5. _____ he have a big nose or a small one?

A. Does         B. Do            C. Is              D. Are

(  )6. I am sorry I ______ know her.

A. isn’t        B. doesn’t           C. don’t          D. haven’t

根据句子意思，用is, are, am, do ,does, have, has填空。

1. I __________ a Chinese teacher.

2. _______ you from Canada?

3. ________ they have many friends?

4. ________ he from Hainan?

5. ---______ Jack have a good friend? ---Yes, he ______.

6. _______ he a good teacher?  --- Yes, he ______.

7. He and his sister _______ in different grades.

8. ______ your mother a doctor?

9. I _____ an old friend. His name is Allan.

10. Kangkang _______ a panda. It is very cute.

11. You ________ a nice house. I like it every much.

12. Bruce Lee _______ many books.

13. Do they _______ fifteen apples?

14. Does Bruce Lee _______ many friends in China?

15. Jerry ______ a big nose.

16. He _______ a map of Hainan. He doesn’t ________ a map of China.

17. -- Does your father______ a wide mouth? -- No, he ______ not.

18. My friend, Li Ming ________ only one sister.

三、名词性物主代词与形容词性物主代词的用法区别：

名词性物主代词与形容词性物主代词的汉语意思是一样的，名词性物主代词可独立使用，后面不要跟名词;但形容词性物主代词不可独立使用，后面要跟名词。如：

This is my shirt.=This shirt is mine. 句子当中my为形容词性物主代词，mine为名词性物主代词，your, his, her, our, its, their，my等都属于形容词性物主代词，形容词性物主代词通常置于名词前，修饰限定名词，作定语;而名词性物主代词mine, yours, his, hers, its, ours, theirs相当于“形容词性物主代词+名词”, 当主语，宾语，或表语;如：

Is this your coat? == Is this coat yours? 这是你的大衣吗?

练习：

(  )1. -- Is that coat ________.?   -- Yes, it’s _________ coat..

A. his, he’s      B. yours, your      C her, hers       D. mine, your

(  )2. Our books are here. ________ are over there.

A. They’re       B. Their        C. Theirs          D. Your

(  )3 She is a girl, ________name is Mary.

A. she          B. his           C. her            D. she’s

(  )4.---______ dress is it? ---It’s hers.

A. Who’s        B. Whose        C. What         D. Which

(  )5. _______ color is yellow.    A. It’s    B. Its     C. Is it      D. Yours

根据汉语写单词：

1.Could_________(你)ask_________(他) to call_________(我)back?

2.Don’t forget_________(我们).

3._________(我们)would like to buy_________ (他们).

4.Could_________(你们)help___________(她)out?

5. There’s(有) one dollar on the floor. Pick___________(它)up.

6._________(他们)are friendly to___________(你们).

7.__________(我)like_______(她)a lot.

8.__________(她)brings______(他们)to_______(我们).

9.Does_________(他)give_______(它)to__________(他)?

10._________(他)does__________(他的)homework on Sunday.

11.___________(它)can’t find__________(它的)way home.

12.___________(她)looks after_________(她的)grandmother.

13.This is__________(我的)pen. That’s__________(你的)。

14.These coats aren’t_________(我的). I think they’re__________(你们的)。

15._________(他的)jacket is blue.__________(她的)is white.

16.---Whose bike is this? ---It’s__________(他的).

17.Those are_________(我们的)desks. __________(他们的)are over there.

18.-- Are these TV sets _________(我们的)?

--No ,they’re_________(他们的)TV.

用所给的动词的适当形式填空。

1. He often__________(get)up at half past six.

2. ---________she ____(like)noodles? ---Yes, she______.

3. Jack_______________(not play)soccer.

4. Jane_____________(have)a new pen .But Tom___________(not have)one.

5. We__________(study) in No.1High School. Mike_______(study) inNo.2 High School.

6. Maria___________(try)on the new dress.

7. They often __________(fly) kites. Kate often __________(fly)a kite, too.

8. Rose often___________(cry). But her brother___________(cry)a lot.

9. Kangkang often__________(carry)water for the old man.

10. His uncle often_______(buy)some delicious food for him and he often_______(take)it

to the school to eat.