1、一般現在時三單變化：1.多數在動詞后s play plays like likes2以s ,x ,sh ,ch , o 結尾的es, go goes wash washes3以輔音字母加y結尾，把y改成i 再加 es fly flies cry cries在一般現在時中，當主語是第三人稱單數時，謂語動詞要用第三人稱單數形式，即常在動詞原形后加-s或-es。但有些同學們對于哪些主語是第三人稱單數還不十分清楚，現歸納總結如下： 一、人稱代詞he, she, it是第三人稱單數。如： He likes watching TV. 他喜歡看電視。 She has lunch at twelve. 她十二

2、點吃午餐。 It looks like a cat. 它看起來像只貓。 二、單個人名、地名或稱呼作主語；是第三人稱單數。如： Han Mei looks like her mother. 韓梅看起來像她的母親。 Beijing is in China. 北京在中國。 Uncle Wang often makes cakes. 王叔叔經常做蛋糕。 三、單數可數名詞或"this / that / the+單數可數名詞"作主語時，是第三人稱單數。如： A horse is a useful animal. 馬是有用的動物。 This book is yours. 這本書是你的。

3、That car is red. 那輛小汽車是紅色的。 The cat is Lucy's. 這只貓是露茜的。 四、不定代詞someone, somebody, nobody, everything, something等及指示代詞this, that作主語時，是第三人稱單數。如： Everyone is here. 大家到齊了。 There is something wrong with the watch. 這塊手表有毛病。 This is a pen. 這是一支鋼筆。 That is an eraser. 那是一塊橡皮擦。 五、不可數名詞作主語時為第三人稱單數。如： The mi

4、lk is in the glass. 牛奶在玻璃杯里。 The bread is very small. 那面包很小。 六、當數字或字母作主語時，看作第三人稱單數。如： "6" is a lucky number. "6"是個吉利數字。 "I" is a letter. "I"是個字母。 Hello, boys and girls.我是一般現在時，你們想知道我的故事嗎？Let me tell you!首先，介紹我的本領。我的本領有三樣：1.表示事物或人物的特征、狀態。如：The sky is blue.天空是藍色

5、的。2.表示經常性或習慣性的動作。如：I get up at six every day.我每天六點起床。3.表示客觀現實。如： The earth goes around the sun.地球繞著太陽轉。第二，請看我的面目-構成：1. be動詞：主語+be(am,is,are)+其它。如：I am a boy.我是一個男孩。2.行為動詞：主語+行為動詞(+其它)。如：We study English.我們學習英語。當主語為第三人稱單數(he, she,it)時，要在動詞后加"-s"或"-es"。如：Mary likes Chinese.瑪麗喜歡漢語。第

6、三，我的變化-否定句、一般疑問句、特殊疑問句：1. be動詞的變化。否定句：主語+ be + not +其它。如：He is not a worker.他不是工人。 一般疑問句：Be +主語+其它。 如：-Are you a student? -Yes. I am. / No, I'm not.特殊疑問句：疑問詞+一般疑問句。如：Where is my bike?2.行為動詞的變化。 否定句：主語+ don't( doesn't ) +動詞原形(+其它)。如： I don't like bread. 當主語為第三人稱單數時，要用doesn't構成否定句。

7、如： He doesn't often play. 一般疑問句：Do( Does ) +主語+動詞原形+其它。如： - Do you often play football? - Yes, I do. / No, I don't. 當主語為第三人稱單數時，要用does構成一般疑問句。如： - Does she go to work by bike? - Yes, she does. / No, she doesn't.一、寫出下列動詞的第三人稱單數形式。(討論第三人稱單數形式的變化規則)Model: clean cleans1) watch _ 2) have _ 3)

8、 cook_ 4) go _ 5) fly _ 6) make _ 二用動詞的正確形式填空。1.   We often_(play) in the playgound.2.   He _(get) up at six oclock.3.   _you _(brush) your teeth every morning.4.  What_(do) he usually_(do) after school?5.  Danny_(study)English,Chinese

9、,Maths, Science and Art an school.6.  Mike sometimes _(go) to the park with his sister.7.  At eight at night, she _(watch) TV with his parents.8. _ Mike_(read) English every day?9.Tom (swim) in the river now.10.Its eight oclock now. The boys (watch) TV.11.She usually (do) he

10、r homework in the evening.12.Tom and Tony cant (swim).13.What does your father _ (do)? Hes a worker.14.Look! Jim and Tom (run) there.三改句子1.    Do you often play football after school? (肯定回答)2.      I have many books.  （改為否定句） 3.   

11、;   Gao Shans sister likes playing table tennis （改為否定句） 4.      She lives in a small town near New York.    （改為一般疑問句） 5.    I watch TV every day. （改為一般疑問句） 6.    David has got a goal. （改為一般疑問句）三、選擇填空：( )1.

12、 Look! LiPing and Li Ying _ basketball now.A. play B. plays C. are playing ( )2. Can I_ this book?A. have B. has C. having( )3. I to music at 7:00 this morning.A. listen B. listening C. listens( )4. What _ that in the box? A shirt. A. am B. is C. are D. be( )5. Can I TV? Sure. A. watching B. watch C

13、. see( )6、She like swimming. A. doesn't B. don't C. isn't.( )7. Here the money. A. are B. is C. am ( )8. There _ a table and two chairs in Jennys room. A. am B. is C. are  一般現在時（2）一用動詞的適當形式填空1. She _(go) to school at seven oclock.2. Its 6 oclock. They are _ (eat) supper. 3. He usual

14、ly _ up at 17:00.(get )4. She _ (live) in Beijing.5. Amy _ (be) here just now.6. _ (be)there a fly on the table just now?7. My father _ (watch) TV every evening .8. My father _ (make) toys these days.9_ Amy _ (read) English every day10. Chen Jie sometimes _(go)to the park with her sister.二.選擇填空1I wa

15、nt_homework now.A. doing B. to do C. to do my D. do my2It's time_.A. go to school B. play games C. to go home D. to do my homeworks3_ you_the blackboard?Yes,I am.A. Can, clean B. Am, cleaning C. Are, cleaning D. Doclean4_go and help her.A. Let's me B. Let's us C. Let's D. Let's t

16、o 5What are they doing? They are_things away.A. put B. puting C. putting D. carry6Do they have a new car? Yes,_.A .they are B.they have C. they don't D. they do7He often _ supper at 6:00 in the evening.A. have B. has c. is having D. is eating8. Its 6 oclock in the morning. He _. A. get up B. get

17、s up C. is geting up D. is getting up9. What are you doing? Im _ TV. A. watch B. watches C. to watch D. watching10. We _ any Chinese classes on Friday. A. are having B. arent having C. dont have D. are have11. Tom _ an English class now. A. is having B. has C. having D. have12. Are you playing baske

18、tball? No, we _.A. isnt B. arent C. not D. dont 13. Listen! The girl _ in the room.A. sings B. singing C. is singing D. are singing14. The boy is _ to his teacher.A. saying B. speaking C. talking D. telling三、用括號內動詞的適當形式填空。1. He often _ (have) dinner at home.2. Daniel and Tommy _ (be) in Class One. 3

19、. We _ (not watch) TV on Monday. 4. Nick_ (not go) to the zoo on Sunday. 5. they _ (like) the World Cup? 6. What they often_ (do) on Saturdays? 7. your parents _ (read) newspapers every day? 8. The girl _ (teach) us English on Sundays. 9. She and I _ (take) a walk together every evening. 10. There _

20、 (be) some water in the bottle. 11. Mike_ (like) cooking. 12. They _ (have) the same hobby.13. My aunt _ (look) after her baby carefully. 14. You always _ (do) your homework well. 15. I _ (be) ill. Im staying in bed. 16. She _ (go) to school from Monday to Friday.17. Liu Tao _ (do) not like PE. 18.

21、The child often _ (watch) TV in the evening.19. Wang Kai and Wang li_ (have) eight lessons this term. 20. What day _ (be) it today? Its Saturday.四請判斷下列各題空格處動詞的正確時態。1You can't see her now; she _（take） a shower.2My parents _（grow） older and older.3He usually _（drink） coffee ，but today he _ (drink）

22、 tea.4The children _（have） a good time at the party very much right now.5A：How _you usually _（get ） to work?一般現在時（3）一、寫出下列動詞的第三人稱單數 drink _ go _ stay _ make _look _ have_ pass_ carry _ come_ watch_ plant_ fly _study_ brush_ do_ teach_二、用括號內動詞的適當形式填空。1. He often _(have) dinner at home.2. Daniel and T

23、ommy _(be) in Class One.3. We _(not watch) TV on Monday.4. Nick _(not go) to the zoo on Sunday.5. _ they _(like) the World Cup?6. What _they often _(do) on Saturdays?7. _ your parents _(read) newspapers every day?8. The girl _(teach) us English on Sundays.9. She and I _(take) a walk together every e

24、vening.10. There _(be) some water in the bottle.11. Mike _(like) cooking.12. They _(have) the same hobby.13. My aunt _(look) after her baby carefully.14. You always _(do) your homework well.15. I _(be) ill. Im staying in bed.16. She _(go) to school from Monday to Friday.17. Liu Tao _(do) not like PE

25、.18. The child often _(watch) TV in the evening.19. Su Hai and Su Yang _(have) eight lessons this term.20. What day _(be) it today? Its Saturday.三、用is,am,are填空。1_ _ these chairs? Yes, they _.2 _ you a new student? No, I _ not.3 Li Tao _ a boy and Ann _a girl .4 There _ three bedrooms in our house.5

26、How _ you? I _ fine. Thank you.6 The cats _ white.7 Betty and Tom _ friends.8_ you a boy? Yes, I _ .9They _ on the second floor.10 _ they English cars? Yes, they _ .11 My mother _ a nice woman. 12Their parents _ workers.四、按照要求改寫句子1. Daniel watches TV every evening.(改為否定句)_2. I do my homework every day.(改為一般疑問句，作否定回答)_3. She likes milk.(改為一般疑問句，作肯定回答)_ 4. Amy likes playing computer games.(改為一般疑問句，作否定