Exercise 1: Fill in the blank with suitable words:

       shouldn’t / ride / dentist / touch / has / knife / cutting / matter / him  

1. A:What are you doing?

    B: I’m __________a cabbage.

    A: Don’t play with a _________. You may cut yourself.

2. A; Anna can’t go to school today.

    B: What’s the _______ with her?

    A; She has a toothache. She has a fever.

    B: She should go to the _________

3. Mary shouldn’t _______her bike too fast.

4. Don’t __________the stove. You may get a burn.

5. A: What is the matter with ________?

    B: He ________ an earache.

    A: He should go to the doctor.

Unit 12. Lesson 3. Part 4 page 17.
I)Điền:  chủ ngữ , đại từ phản thân
1.I play with the knife. I may cut _________   2.you play with the knife. _____ may cut __________
3.we play with the knife. ___ may cut _____4.they play with the knife. _____may cut _________
5.he plays  with the knife. ___ may cut ________ 6.she plays  with the knife. ____may cut ________
7.Lan plays  with the knife.  ___  may cut __________  8. It can scratch __________
                                                        Unit 13 
* Chia động từ   tobe vào ô trống  .   1 . This …….. Lan  2. You ……… a student.    3.He……….Tony
4. She ……….. Linda. 5.What ……… her name ? 6.They …….. pupils.  7. I…….. Andy. 8.Tom…...six
Ex4: Viết các câu sau chia ở ngôi :  I /you /we / they / Ns   + V_ ko chia
1- I   (take )...take.............   2. you  (finish)................ 3.we (go) ..............   4. they (  eat) …………
5.you and I (watch) ..........  6.they ( come )............. 7.I (play ) ......... 8.Your teachers (run) ……….
   9. My sisters  (eat )...............10 . children ( listen ).................. 11. my friends  (have) .................

Unit 12. Lesson 3. Part 4 page 17.
I)Điền:  chủ ngữ , đại từ phản thân
1.I play with the knife. I may cut _________   2.you play with the knife. _____ may cut __________
3.we play with the knife. ___ may cut _____4.they play with the knife. _____may cut _________
5.he plays  with the knife. ___ may cut ________ 6.she plays  with the knife. ____may cut ________
7.Lan plays  with the knife.  ___  may cut __________  8. It can scratch __________
                                                        Unit 13 
* Chia động từ   tobe vào ô trống  .   1 . This …….. Lan  2. You ……… a student.    3.He……….Tony
4. She ……….. Linda. 5.What ……… her name ? 6.They …….. pupils.  7. I…….. Andy. 8.Tom…...six
Ex4: Viết các câu sau chia ở ngôi :  I /you /we / they / Ns   + V_ ko chia
1- I   (take )...take.............   2. you  (finish)................ 3.we (go) ..............   4. they (  eat) …………
5.you and I (watch) ..........  6.they ( come )............. 7.I (play ) ......... 8.Your teachers (run) ……….
   9. My sisters  (eat )...............10 . children ( listen ).................. 11. my friends  (have) .................

Read and match.

1. Don’t play with the matches!          A. You may fall off the swing.

2. Don’t swing too fast!                       B. You may get a burn.

3. Don’t play with the knife!               C. It may bite you.

4. Don’t play with a strange dog!        D. You may get a cut.

Choose the sentence that has the same meaning as the first.

24. If you are not careful, you will cut yourself with that knife.

A. Unless you are careful, you will cut yourself with that knife.

B. If you are careful, you will cut yourself with that knife.

C. Unless you are not careful, you will cut yourself with that knife.

D. Unless you were careful, you will cut yourself with that knife.

25. Because he doesn’t leave immediately, I call a policeman.

A. Unless he leaves immediately, I won’t call a policeman.

B. If he leaves immediately, I won’t call a policeman.

C. Unless he leaves immediately, I will call a policeman.

D. If he left immediately, I wouldn’t call a policeman.

26. Today isn’t Sunday, so the pupils can’t go swimming.

A. If today is Sunday, the pupils could go swimming.

B. If today were Sunday, the pupils could go swimming.

C. The pupils could go swimming unless today is Sunday.

D. The pupils could not go swimming if today isn’t Sunday.

27. Stop talking or you won’t understand the lesson.

A. If you don’t stop talking, you won’t understand the lesson.

B. If you don’t stop talking, you wouldn’t understand the lesson.

C. If you hadn’t stopped talking, you wouldn’t understand the lesson.

D. If you hadn’t stopped talking, you wouldn’t have understood the lesson.

28. If the homework is difficult, I will ask you for help.

A. Unless the homework is easy, I won’t ask you for help.

B. Unless the homework is difficult, I will ask you for help.

C. Unless the homework is easy, I will ask you for help.

D. Unless the homework isn’t difficult, I won’t ask you for help.

29. I’ll let you borrow the book but you must promise to return it next week.

A. If you promise to return the book, I let you borrow it.

B. If you promised to return the book, I’ll let you borrow it.

C. If you promise to return the book next week, I’ll let you borrow it.

D. If you promise to return the book next week, I won’t let you borrow it.

Matching

1. Don’t play with the knife    a.Because you may fall.

2. Where are you, Tom?    b. I’m cooking some rice.

3. Don’t touch the stove    c. I want to light the candle.

4. Why shouldn’t I climb a tree    d. OK, I won’t.

5.What are you doing, Mai?    e. He may fall off his bike and break his arm

6. What are you doing with the matches    f. I’m upstairs, Mum.

7. Look! Peter is riding his bike too fast    g. A knife

8. What are you holding in your hand?    h. You may get a burn.