Ex: Cahnge the following sentences into passive voice

`1.`Mr Tuan delivered the speech yesterday

`=>` The speech was delivered by Mr Tuan yesterday

`2.`Turn off the computer at night

`=>` The computer is turned off at night

`3`.I clean the floor every day

`=>` The floor is cleaned every day

`4`.My mother bought this dress this morning

`=>` This dress was bought by my mother this morning

`5.`She did this excercise tow days ago

`=>` This exercise was done by her two days ago

`7.`Nobody has used this room for a long time

`=>` This room has been used for a long time

`8.`Someone has stolen my bike.

`=>` My bike has been stolen

`9.`He has just received a letter from his parents

`=>` A letter has been received to his parents by him

`10.`She will buy this house

=> This house will be bought by her

`11.`They are building my house

`=> `My house is being built

`12.`Lan was making my new dress at this time yesterday

`=>` My new dress was being made by Lan at this time yesterday
`II`Make complete sentences using the given cues.

1 you/send/letter/yet?

=> Have you sent the letter yet ?

2 Nile/longest/river/in/word

=> The Nile river is the longest river in the world

3.Hoa/salary/high/than/Tom/s

=>Hoa's salary is higher than Tom's

4.He/work/hard/order/pass/exam

=> He works hard in order to pass the exam

5. Early this morning / children / decide / go / a run
=>Early this morning,the children decided to go for a run
6. Sydney opera/ complete/ 1973

=> Sydney opera was completed in 1973

7. The road/ join/ two villages/ be/ narrow

=> The road joined two villages is narrow

8. It/ not difficult/ translate/ this sentence/ English

=> It is not difficult to translate this sentence into English.

9. You/ mind/ lend/ me/ dictionary

=> Would you mind lending me a dictionary ?

10. New bicycle/ make/ Japan/ be/ expensive

=> New bicycle made in Japan is expensive.

11. You/ see/ film/ Jurassic Park/ yet

=>  Have you seen this film called Jurassic Park yet ?

12. The Mekong river/ long/ the/ Red river

=> The Mekong river is longer than the Red river.

13. Ba/ intelligent/ Nam

=> Ba is more intelligent than Nam.

14. Sears Tower/ short/ Petronas Twin Towers

=> Sears Tower is shorter than Petronas Twin Towers.

15. Mexico city/ big/ in the word

=> Mexico city is the biggest city in the world.

16. Ba/ good/ in class

=> Ba is the best student in class.

`III` Put the words in brackets into the correct forms.

1.All the participants in the debate had a chance to speak. (participate)

2.He is the only competitor that has not run this race before.(complete)

3.Laszlo Biro was the inventor of the pen-point pen.(invention)

4.The decoration of Christmas tree is indispensable at Christmas. (decorate)

5.The main problem is rising prices. Things are getting much too expensive. (rise)

6.Our father's company sells only imported goods. (import)

7.''You look surpised when you see me.''_''Yes, I think you are in China.'' (surprise)

8.He finds housekeeping a boring task.(bore)

9.Mary appeared with a pleasant smile.(please)

10.Mr Smith seems quite satisfied with his new job.(satisfy)