Modal velrb
16. You must clean the floor before you paint it. 
 
17. The girl has to decide to study law or pharmacy. 
 
18. People can't learn a foreign language in this week. 
 
19. Mr. Han is going to visit Hanoi on his work next week. 
 
20. This company will organize an art exhibition next month. 
 
21.A sudden increase in water pressure may break the dam. 

D. Past Simple - Present Perfect Tense

1.My old friend started working on that farm in 2005.

- Since 2005,

2.I have learnt English for 10 years now.

-I began

3.My father stopped drinking champagne ten years ago.

- My father hasn't

4.She hasn't gone out with him for 5 months.

-The last time

5.It's two Yeats since we last saw Mr. Jones.

-We haven't

6.I last saw John was when he was leaving for Edinburgh.

-John hasn't

-John hasn't

7.How long have your family read Tuoi Tre Newspaper ?

-When did your

8. How long is it since you bought this house'?

-When did

-How long

8. When did he start teaching Physical Education in this school?

- How long .

9. We haven't seen such a cruel mother before.

-This is the first

10. This is the first time I have visited the USA.

 -I haven't

11. I have never seen such a bad film as that one in the cinema.

-That is the

C.Passive Voice
 
l. Every year, Viet Nam exports millions of tons of rice. 
 
2. Vietnamese people celebrate their Lunar New Year Festival around January and February. 
 
3.Our teacher always advises us to study harder on the second term. 
 
4.The Library of Congress in the USA employs over 5000 employees. 
 
5.Bad weather has delayed flight 202 from Miami. 
 

6.Brothers Lazlo and Geogre invented the ballpoint pen. 
 
7.The boy broke the window and took away some money. 
 
8.Someone cut down the tree in the garden yesterday. 
 
9.The artist painted a huge picture to raise fund for the poor children. 
 
10. Mai wrote some articles about the damage of I storm.
 

11. They have celebrated the Teacher's Day largely since 1982. 
 
12. Science and Technology have completely changed human' s life. 
 
13. People have built this building of bricks, stones and cement. 
 
14. Nga has typed the report about polluted environment for 2 hours. 
 
Modal velrb
16. You must clean the floor before you paint it. 
 
17. The girl has to decide to study law or pharmacy. 
 
18. People can't learn a foreign language in this week. 
 
19. Mr. Han is going to visit Hanoi on his work next week. 
 
20. This company will organize an art exhibition next month. 
 
21.A sudden increase in water pressure may break the dam. 

A.wish sentences 
1.What a pity! You aren't here to help me now. 
 
2.Tom won't come to my birthday party tomorrow. 
 
3.Our teacher shouts us very often. 
 
4.It's a pity. I don't have a mobile phone. 
 
5.You can't come to the theater with me. 
 
6.I'm really sorry I speak English very slowly. 
 
B.used to 
1.John stopped smoking 10 years ago. 
John used 
2.They lived in Seoul some years ago. 
They used 
3.They destroyed the flower gatden in the park, 
They used.. 
4.They often walked to Vung Tau on the weekend. 
They used 
5.Ben drank a lot of coffee but now he prefers tea. 

15.The worldwide………. situation got worse In the 1990s and the sale of

jeans stopped growing. (economy)

16. Vietnam's ethnic minorities are a great source of………..to many writers. (inspire)

17 .There is nothing that is more precious than freedom and ……….(depend)

18. vacation was spent…….in a quiet small town by the sea (peace)

19.The company is investing 10 million dollars to………… its factory. (modern)

20.In this country,…………. wars happen so often that no one wants to visit it. (religion) 

31. She talks too much in class.

 I wish……………………………………………………………….

32. I haven’t seen her for 3 years.

 It is ………………………………………………………………

33. When did you start working in that factory?

→ How long ...................................................................................................? 34. They grow rice in tropical countries.

→ Rice ............................................................................................................. 35. The students must do this exercise carefully. → This exercise .......................................................................................................................