动词什么时候用原形

动词什么时候用原形，什么时候要加ing ？

can,can t ,to,will,let,help,should,shouldn t,do,don t,does,doesn t,did,didn t 后跟动词原形；is,am,are,was,were(包括否定形式) ，like,enjoy,go,for,in,at,about(介词) 后跟动词ing 形式。

用所给动词正确形式填空。

1.I can ______ (jump) . Amy cant _________ (run).

2.I like ________ (swim) . I am not _________ (swim) now. I am going to _________ (swim) this weekend.

3.I will _______ (am) back tomorrow. Will Amy _______ (go) home?

4.If you enjoy ___________ (help) people,you can be a policeman.

5.Thank you for _________ (tell) me.

6.I like to _________ (listen) to music.

7.I am good at_________ (sing). Let s _________ (sing) together.

8.Mike is going to _________ (take) pictures.

9.You should __________ (help) your mother _________ (clean) the room on weekends.

10. Are you ___________(do) sports?

11.Amy likes _________ (play) the piano. She doesn t ___________ (play) the piano on Monday.

12. Did your sister __________ (make) a kite last night?

13.Mike didn t ___________(watch) TV yesterday.

14. Don t _________ (write) on the wall.

部分常考点：

1.I often play ________ (the, / ) f ootball _____ (on,in) Sunday afternoon.

2.These are my________ (teachers,teacher). They _______ (is,are) nice.

3.My birthday is _______ (on,in) June . _________ (Mom,Mom s) birthday is _________ (on,in) July 1st .

4.________ you a teacher? _______you go to the park on foot? ________ you work in a school? ______ you at home? (Are,Do)

5.My father is _________ (a,an) artist . My mother is _____(a,an) cleaner.

6.___________ (When,Where) are you going? I am going tonight .

7.__________(How,What) did you go to Beijing? By plane.

8.When is Teachers Day? It is _________ ____________ .

9.Are there __________ (some,any ) fish in the river?

10.There aren t _________ (some,any) trees near the house.

11.There _______ (is,are) some milk in the glass.

12.I have some _________ (tomatos,tomatoes) ______(for,at) lunch .

13.There _______ (is,are) a book and some pens.

14.There ______ (is,are) some pens and a book.

15.Is this/that a book? Yes,____ (this/that,it) is.

16.Are these/those books? Yes,________ (these/those,they) are.

17. Amy often ________ (watch,watches) TV ______ (in,on) the evening.