3 hostages have been kept by this terrorist for a week

I will be picked up at my house by my father

 I will be taken to HCMC next week by my father

31.3 hostages have been hept by this terrorist for a week

32.I will be picked up at my house by them

33.I will be taken to Ho Chi Minh city by my father next week.

Chúc em học tốt

The car was cleaned twice a week

She isn't invited to my birthday party 

--> She isn't invited to my birthday party 

chúc e hok tốt

1. my farther waters this flower every morning 

This flower is watered by my father every morning

2. john invited Fiona to his birthday party last night

Fiona was invited to John's birthday party by him last nigt

3. her mother is preparing the dinner in the kitchen

The dinner is being prepared by her mother in the kitchen

4. we should clean our teeth twice a day

Our teeth should be cleaned twice a day

1. This flower is being watered by my father every morning.

2. Fiona was invited to the birthday party last night by John.

3. The dinner is being prepared by her mother in the kitchen.

4. Our teeth should be cleaned twice a day.

1. They repaired my desk during the weekend 

=> My desk was repaired during the weekend

2. nobody saw her at the party last night 

=> She wasn't seen at the party last night

3. the government has not changed the regulation

=> The regulation hasn't been changed by the government

4. she didn't introduce me to her mother 

=> I wasn't introduced to her mother 

5. someone is cutting the grass now

=> The grass is being cut now

6. someone ought to repair this window

=> This window ought to be repaired

7. Peter is writing  a letter to his friend

=> A letter is being written to his friend by Peter

8. my friends are making some phone call in the evening

=> Some phone calls are being made by my friends in the evening

9. bad drivers are causing many accidents

=> Many accidents are being caused by bad drivers

10. people play football all over the world

=> Football is played all over the world

1. She always visits her uncle on Sunday.

Her uncle is always visited by her on Sunday
2. Last Sunday she didn't go to visit her aunt.

Last Sunday her aunt wasn't visited by her
3. Last month he called me to join him.

Last month I was called to join him
4. At present, my mom and my dady are planting rice in the paddy field.

At present, rice is being planted by my Mom and my Dady in the paddy field
5. She already tried Japanese food before.

Japanese food was already tried before
6. At present, Nam is reading books.

At present, Books are being read by nam

1.Her uncle is always visited on Sunday by her.

2.Her aunt wasn't went to visit last Sunday by her.

3.I was called to join him last month by him.

4.Rice in the paddy field is being planted at present by my parents.

5.Japanese food was already tried before by her.

6.Books are being read at present by Nam

Chuyển câu chủ động sang câu bị động:

1. she told her kid not to go out at night

Her kid was told not to go out at night

2 my father allowed me to join in the trip

I was allowed to join in the trip by my father

3.his students were advised  by he to choose the suitable courses

He advised his student to choose the suitable courses

4.people organized the spring fair at tao dan park last year

The spring fair was organized at tao dan park last year

5.people have worn perfume since ancient times

Perfume has been worn since ancient times

6. They didn't use matches to make the fire. 

Matches were not used to make the fire 

1.  Our teeth should be cleaned twice a day.

2.  Fiona was invited to John's birthday party by him last night

3.His nose has been broken in a football match .

4. Has the above sentences been finished? 

4. Tom's parents will be visited by him next week.

I'M IN GRADE 7

1. We should clean our teeth twice a day.

=> our teeth should be cleaned by us twice a day 

2. John invited Fiona to his birthday party last night.

=> Fiona was invited to his birthday party by John last night

3. He has broken his nose in a football match .

=> His nose has been broken in a football match by him

4. Have you finished the above sentences? 

=>  Has  the above sentences been finished by you ?

4. Tom will visit his parents next week.

=> His parents will be visited by Tom next week.