-Mình nghĩ là : This question is found to be difficult to understand.
This question is found to be difficult to understand by us
Chúc bạn học tốt 
Chuyển sang bị động:
This question is difficult to understand
It's .............
1. Remember to turn off the light before going out.
- Don't...........
2. The last time I played this game was two years ago.
- I......
3. We find it difficult to understand this question.
- This question is......
4. George is the most boring person I've ever met.
- I've.......
5. When did you start learning English?
- How long.......
6. Alexander G.Bell invented the telephone.
- Alexander G.Bell was......
7. Did your father repair your computer yesterday afternoon?
- Was........
8. It takes two hours to travel from Ha Noi to Ho Chi Minh city by plane.
- It is a...........
This question is difficult to understand
\(\rightarrow\)It's
1.keeping the environment clean is very important.-It's
2.It's three years since I last spoke to her-I haven't
3.How long is it since you used the car-When
4.We started living here 15 years ago-We have
5.We can't drink the water because it's too hot-The water isn't
6.It has been raining for five hours-It started
7.To help mom at home is a good activity-It is
8.I started learning English three years ago-I have
11.Sue is the most intelligent in her class.-No one
13.No one has used this room for years-This room
14.This question is difficult to understand-It's
15.Many people in the world speak English-English
Chuyển các câu sau sang bị động
1. They find that the job is not suitable for a girl like her.
____________________________________________
2. We believed that Alice would pass the driving test.
_________________________________________
3. People explained that this powerful engine pulled the train.
______________________________________________
4. They recommends that we should stay at the city center
_____________________________________________
5. It is known that he will have to work extra hard this month
________________________________________________
'' we like this place'' the tourist said
the tourist said..........
she invited me to the party
I...............................
I started playing the piano two years ago
I have .............................
John said'' Is Phong Nha Cave in Southern Viet Nam , Nhi?
John asked .......................
this question is difficult to understand
It is.......................
1, I haven’t talked to her for 3 years It’s .....................................................................................................
2, They want to cut down all the old trees They ..................................................................................
3, “Let’s not do the gardening ” He said He ....................................................................................................
4, We find it difficult to understand this questions This question .................................................................................
5, I was very delighted that I passed the final exam I was very delighted.........................................................................
6, “You mustn’t park here ” He said to us He .....................................................................................
7, She needs to check all her suitcases again All her suicases ................................................................................
8, “Will you finish your test in two minutes ?” I asked him
I asked ................................................................................................
9, Would you mind if I didn’t tidy the mess? Would you mind...........................................................................?
10, It’s the second time she has visited California She’s................................................................................................
Chuyển các câu này sang bị động ah;)
1. They ordered that we go out right away
2. I had my mother wash my clothes everyday
3. The government gets its people to pay tax
4. It's your duty to carry out the experiments.
5. It's essential to meet him at the airport tomorrow.
I ) Chuyện bị động sang chủ động :
1. This question was often put to me it was never answered by me.
2. You will be give a card to the club.
3. This company was set up by tim.
4. Were these flowers arranged by your mother.
5. My house will be built next month. II) Chuyển chủ động sang bị động . 1 .An is washing the clothes. 2 . We have watched this film several times 3. the goverment don't allow the citizens to use illegal drugs. 4 . The teacher won't correct exercises tomorrow 5. You should delete your massage .