Ex1:

1/ This bridge was designed by Mr Pike in 1970

2/ This bridge wasn't designed by Mr Pike in 1970

3/ Was this bridge designed by Mr Pike in 1970?

4/ Her sister was met last Sunday

5/ Her sister wasn't met last Sunday

6/ When was her sister met?

7/ She wasn't invited to the party

8/ I was helped with the homework by Nga yesterday

9/ Who was that story written by?

10/ He was visited 2 days ago

Ex2:

1/ My father fixed my bike

2/ My father didn't often fix my bike

3/ Did your father often fix your bike?

4/ When did Tom write this letter?

5/ They cut down these trees.

6/ They didn't cut down these trees.

7/ When did they cut down these trees?

8/ Where did Hoa buy this book yesterday?

Ex3:

1/ collected

2/ cooked

3/ was cleaned

4/ was done

5/ was visited

6/ didn't eat

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Ex1:

1. can't

2. This cake is made.

3. can't

4. can't

5. I am helped with my homework by my mother in the evening.

Ex2:

1. Rice is grown in India.

2. Rice isn't grown in India.

3. Is rice grown in India?

4. That cake is made by Jane. 

5. That cake isn't made by Jane. 

6. Is that cake made by Jane?

7. This road isn't used very often.

8. When are books usually read?

9. The homework isn't done at break time

10. Pets are kept by many people.

11. Our closes are washed by my mother every day

12. How is this dish cooked?

Ex3:

1/ My father often fixed my bike

2/ My father didn't often fix my bike

3/ Did your father often fix your bike?

4/ When did Tom write this letter?

5/ How do you use this machine?

6/ They water these trees every day

Ex4:

1. collect

2. are caused

3. is covered

4. am taken

5. is visited

6. is made

* Ảnh 1

Ex1:

1. This bridge was designed by Mr Pike in 1970.

2. This bridge wasn't designed by Mr Pike in 1970.

3. Was this bridge designed by Mr Pike in 1970?

4. Her sister was met by her last Sunday.

5. Her sister wasn't met by her last Sunday.

6. When was her sister met by her?

7. She wasn't invited to the party.

8. I was helped with my homewwork by Nga yesterday.

9. Who was the story written?

10. He was visited by me 2 days ago.

Ex2:

1. My father fixed my bike.

2. My father didn't often fix my bike.

3. Did your father often fix my bike?

4. When did Tom write this letter?

5. They cut down these trees.

6. They didn't cut down these trees.

7. When did they cut down these trees?

8. Where did Hoa buy this book yesterday?

Ex3:

1. collected

2. cooked

3. was cleaned

4. was done

5. was visited 

6. wasn't drank

* Ảnh 2

Ex1:

1. Không thể chuyển bị động

2. This cake is made by me.

3. Không thể chuyển bị động

4. Không thể chuyển bị động.

5. I am helped with my homework by my brother in the evening.

Ex2:

1. Rice is grown by them in India.

2. Rice isn't grown by them in India.

3. Is rice grown by them in India?

4. That cake is made by Jane.

5. That cake isn't made by Jane.

6. Is that cake made by Jane?

7. This road isn't used very often by people.

8. When are books usually read by him?

9. The homework isn't done at break time.

10. Pets are kept by many people.

11. Our closes are washed by my mother every day.

12. How is this dish cooked by me?

Ex3:

1. My father often fixes my bike.

2. My father doesn't often fix my bike.

3. Does my father often fix my bike?

4. When does Tom write this letter?

5. How do I use this machine?

6. They don't water these trees every day.

Ex4:

1. collect

2. are caused 

3. is covered

4. take

5. is víited

6. is made