3. Children are advised to go to bed early.

 Children should..................................................

4. You had better not to stay up late.

 You shouldn’t ..................................................................

5. Lien couldn’t open the door of the classroom.

=> the door of the classroom……………………………

6. . It was so late that nothing could be done

 It was too ...........................................................

7.Lan is too short to repair the fan

-> Lan is not………………………………………..

8. No one is more beautiful than Van in my class.

-> Van is……………………………………………

9.Lan hasn’t visited her grandmother for two months.

The last ..................................................

10. Ba began to learn English when he was in class 4

-> Ba has………………………………………………..

11. My mother last visted her home village 2 years ago.

->The last ………………………………………

12. It was so cold but he went out without an overcoat.

=> Although .....................................................

13. I often looked after my younger sister when I was small.

-> I used to......................................................

Rewrite sentences.
1. It’s good if children go to bed early.
→ Children should ………………………………….
2. It’s not a good idea when students copy other students’ work.
→ Students shouldn’t
3. I’m not happy when children lie to their parents.
→ Children shouldn’t
4. It’s good if you say “Thank you” to a person who has helped you.
→ You should ……………………………………………………………………..
5. There is no water in the bottle.
→ There is not …………………………………
6. We have no peach flowers for the New Year here.
→ We don’t ………………………………………………………………………..
7. It is not good to stay up so late to listen to music.
→ You shouldn’t ………………………………………………………………….
8. How many times a week do you go to your painting club?
→ How often …………………………………………………………………….
9. It is essential that you do your homework before going to school.
→ You must …………………………………………………………………………
10. My grandma is careful, but my mum is even more careful.
→ My mum is ………………………………………………………………………..
11. Is there a computer in your room?
→ Do you ……………………………………………………………………………..?

Exercise 7: Underline one mistake in each sentence and correct it.

1.    You shouldn’t to go out now

…………………………………………………………….

2.    Why don’t we going and see her after school?

…………………………………………………………………

3.    You should go to bed early because it is good at your health

…………………………………………………………………

4.    He usually brush his teeth twice a day

…………………………………………………………………

5.    My sister should takes a rest and drink warm water

……………………………………………………………………

VII. Finish each sentence so that it means the same as the sentence before it

1. It’s good if children go o bed early

-> Children should…………………………………………………………………

2. How many times a week do you go to your painting club?

-> How often………………………………………………………………………

3. Nobody is older than my grandmother in my family

-> My grand mother is……………………………………………………………

4. The hopital is in front of my house

-> My house is…………………………………………………………………….

5. Remember to do your homework

-> You must………………………………………………………………………

Exercise 2: Write the second sentence so that it has the same meaning as the first one.

1. It’s good for children to go to bed early.

→ Children should _____________________________________________________________.

2. It’s not a good idea when students copy other students’ work.

→ Students shouldn’t __________________________________________________________.

3. I’m not happy when children lie to their parents.

→ Children shouldn’t ___________________________________________________________.

4. It’s good if you say “Thank you” to a person who has helped you.

→ You should __________________________________________________________________.

5. There is no water in the bottle.

→ There is not _________________________________________________________________.

6. We have no peach flowers for the New Year here.

→ We don’t ____________________________________________________________________.

7. Parking in this street is prohibited.

→ you mustn’t ____________________________________________________________________

8. It’s against the rules to use your mobile phone in class.

→ You mustn’t_____________________________________________________________________

9. The skyscraper is higher than our office building.

→ Our office building _______________________________________________________________

10. The River view Hotel is cheaper than the Palace Hotel.

→ The Palace Hotel _________________________________________________________________

You should go to the dentist. 

You should go to the doctor. 

You should go to bed early. 

You should do morning exercise regularly. 

You shouldn’t drink cold water
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