1 haven't seen/left

2 has worked

3 is built

4 Have/eaten

haven't seen - left

has worked

was built

have - eaten

1 haven't seen/left

2 has worked

3 was built

4 Have...eaten

1:They(paint) were painting the school gate when we came

2:They(build) will build a new school in this area next year

3:My brother(work) has worked in this factory for many years

4:My family(go) will go Da Lat next summer

5:The water(boil) boils at 100 degrees celsius

6:I(not see) hasn't seen her since last week

7:My sister(play)has played the piano since she (be) was a child

1. has worked
2. studied - is
3. learn - taught
4. had begun - arrived
5. do - reads - listens - watches
6. was - didn't go - stayed - did
7. lives - had lived - moved
8. are visiting - go
9. Where were you - was working 
10. Have you ever seen - haven't - will go

1 has worked

2 is studying - will be

3 learn - taught

4 had begun - arrived

5 do - reads - listens - watches

6 was - didn't go - stayed - did

7 is living - had lived - moved

8 are going to visit - going

10 ever seen - haven't - are going

IV. Put the verbs in brackets in the correct verb forms:

1. A new high school will be built in our town next year.
2. Tickets for the football match are sold at the ticket booth.
3. Harvard is considered the oldest university in the USA.
4. My Son Sanctuary is located in Duy Xuyen District, Quang Nam Province.
5. Some flowers were bought for his mother on her birthday yesterday.
6. The students in that university are taught by famous professors and lecturers.
7. The first Doctors’ stone tablets were erected by King Le Thanh Tong.
8. The students of the Imperial Academy were selected carefully from local examinations all over the country.
9. Huong Pagoda Festival is visited by thousands of tourists during the first three months of the Lunar New Year.
10. Our school is named after a great scholar of our country – Le Quy Don.

V. Supply the correct passive form of the verbs in brackets:

1. The Sydney Opera House in Australia was finished in 1973.
2. One-pillar pagoda in Hanoi was completed in 1049.
3. The Imperial Academy is considered the first university in Vietnam.
4. The Great Wall in China was built many centuries ago.
5. The Golden Gate Bridge in San Francisco was completed in 1937.
6. Burj Khalifa in Dubai, the highest building in the world, was opened in 2010.
7. A painting by Picasso was sold for 3 million dollars last year.
8. America was discovered by Christopher Columbus.
9. The Japanese Covered Bridge in Hoi An was built in the 16th century.
10. The site for Huong Pagoda was discovered about 2000 years ago.

Put the verbs in brackets into the correct form.

1. The train(leave) _______had left____________ten minutes before we got to the station.

2. New houses (build) _____________are built___________here every year.

3. This time next year Phuc (study) __________will be studying______________in India.

4. Where the girl (go) ___________is - going_____________now?

5. Children (play) ___________play_____________badminton with their friends every afternoon.

Give the correct form of the verbs in brackets

1. Two years ago, mt sister (stay)...stayed.....in a dormitory

2. She (stay).......stayed......the dormitory while she (study).......was studying.........medicine

3. At this time last year, my brother (study)............was studying........engineering

4. He just (leave)...has just left....school and (work).......worked......a factory in the city at the moment

5. I (take)....have taken....English classes here for the past six months

6. My family (live).....has lived.....in this city since 1990

7. We (live)....had lived......in Puerto Rio before we (move)...moved......here

8. My father (be).......was....the manager of the factory after he (work).........had worked..........there for ten years

PUT THE VERBS IN BRACKETS INTO THE CORRECT FORMS OF THE PASSIVE VOICE.

1.A new high school ( build ).........................will be built............................in our town next year.

2.Tickets for the football match ( sell )....................are being sold....................at the ticket both at the moment.

3.The students in that university ( teach )..............are taught.......................by famous professors and lecturers.

4.Harvard ( consider )...............................is considered....................................the oldest university in the USA.

5.The Olympics Games ( hold )................................are held.....................once every four years.

1.A new high school ( build ) will be built in our town next year.

2.Tickets for the football match ( sell ) are being sold at the ticket both at the moment.

3.The students in that university ( teach ) are taught by famous professors and lecturers.

4.Harvard ( consider ) is considered the oldest university in the USA.

5.The Olympics Games ( hold ) are held once every four years.

I. Put the verbs in brackets into the correct forms to complete the sentences.

1.     ......have.......you ever ........been............. to Kuala Lumpur ? (be)

2.     This bridge .................was built............... thirty years ago. (build)

3.     When Peter comes back, he ......................will tell............ us a lot about his trip. (tell)

They (weave) …………were weaving………the baskets when visitors came there

1.Next week at this time, you (lie) …will be lying……….. on the beach.

2.I (send) …………will send…..  you my book tomorrow.

3.He (donate) ………has donated……many old books for 5 years.

4. To prepare for the new year, I ( paint) ........have painted..... my house again since last month .

VI. Rewrite the following sentences

1.If you don't study harder, you 'll get bad marks.

=> Unless .........you study harder, you'll get bad marks.......

2.Unless this man is a driver, he can’t help you move by car.

If....... this man is a driver, he can help you move by car.

3. If he doesn't practice writing every day, he can't improve his writing skill.

=> Unless ......he practices writing every day, he can't improve his writing skill........

4. Unless you return this book to the library today, you’ll have to pay a fine.

=> If ......you don't return this book to the library today, you’ll have to pay a fine..........

5. Unless you go out more often, you might fall ill.

=> If ......you don't go out more often, you might fall ill...

6. If you are absent from school, you have to write a sick-note.

=> Unless ......you aren't absent from school, you have to write a sick-note...

7. Unless the seas is warmer, the ice at the North and South pole will not melt.

 If .....the sea is warmer, the ice at the North and South pole will melt.