1.      The teacher can give him good marks because he is an excellent

→ He can be given good marks by the teacher because he is an excellent

2.      Ba invited Liz to the rice-cooking festival.

→ Liz was invited to the rice-cooking festival by Ba

3.      We don’t allow smoking in this restaurant.

→ Smoking isn't allowed  in this restaurant.

4.      Nobody has invited her to the party.

→ She hasn't been invited to the party

5.      They didn’t damage the machine.

→ The machine wasn't damaged

6.       The teacher was not reading the book when we came.

→ The book wasn't being read by the teacher when we came.

7.      Miss Lan is going to meet her students in 2 hours.

→ Her students are going to be met  in 2 hours by Miss Lan

8.      They had to cancel the flight because of the bad weather

→ The flight had to be canceled because of the bad weather

1) Can you take me a photograph ?

--> Do you mind if I take a photograph?

2) " Is the Golden Gate Bridge in San Francisco?" Hoa said to Tim

--> Hoa asked Tim is The Golden Gate Bridge was in San Francisco

3) Ba took Liz to the rice - cooking festival last weekend.

--> Liz was taken to the rice-cooking festival by Ba last weekend

4) " I can play volleyball" Tuan said

---> Tuan said he could play football

5) Can I use your phone ?

---> Would you mind if I used your phone?

1) Can you take me a photograph ?

--> Do you mind if I ..take a photograph?.......

2) " Is the Golden Gate Bridge in San Francisco?" Hoa said to Tim

--> Hoa asked Tim: ."Is the GGB in SF".....

3) Ba took Liz to the rice - cooking festival last weekend.

--> Liz ...was taken to the rice-cooking festival by Ba last weekend.....

4) " I can play volleyball" Tuan said

---> Tuan said .....he can phay volleyball?.....

5) Can I use your phone ?

---> Would you mind if I ..used your phone....

-Ba mời Liz đến lễ hội nấu cơm. Vì Liz k hiểu lắm về mọi thứ đang diễn ra tại lễ hội này nên Ba đã giải thích cho Liz nghe về các vòng thi, luật lệ cuộc thi, biểu điểm trao giải rồi đến đội thi dành chiến thắng.

1.My father decorated the Christmas tree with colored=>colorful lights.

the Christmas tree was decorated with colorful lights by my father
2.Ba invited Liz to the cooking-rice=>rice-cooking festival.

Liz was invited to the rice-cooking festival by Ba
3.Miss Thanh taught me to draw the Christmas cards.

I was taught how to draw the Christmas cards by Miss Thanh
4.They held the festival in the communal house yard.

the festival was held in the communal house yard
5.The council leader awarded the first prize to Mekong team.

the first prize was awarded to Mekong team by the council leader
6. They have built a new church near my house.

A new church has been built near my house
7. The speak French and English in Canada.

French and English are spoken in Canada
8. Bell invented the telephone in 1876

the telephone was invented by Bell in 1876.
9. Somebody must do something for these poor men.

something must be done for these poor men
10. People use milk for making butter and cheese.

Milk is used for making butter and cheese
11. The milkman brings bottles of milk to houses.

bottles of milk are brought to houses by the milkman
12. They don't use this house very often.

this house isn't used very often

''Is it a rice cooking festival'' I asked my friend

-I asked my friend if it was a rice-cooking festival

She has finished her homework

-Her homework has been finished by her

Lan invited me to the party. [Use passive voice]

-I was invited to the party by Lan

Hoa said to Ba''Do you know the way to the post office'' [Use reported speech]

-Hoa asked Ba if he knew the way to the post office

1. The student weren't at school yesterday afternoon

Were the student at school yesterday afternoon?

2. Lan was't at the festival last week

Was Lan at the festival last week?

3. My father wasn't in Ha Noi last month

Was your father in HN last month?

4. We didn't take part in the rice - cooking festival

Did you take part in the rice - cooking festival?

5. Nam and Ba didn't play football in the school yarrd yesterday morning

Did Nam and Ba play football in the school yarrd yesterday morning?

6. Tam didn't do his homework last night

Did Tam do his homework last night?

7. Last night I didn't go to the supermarket with my mother

Did you go to the supermarket with your mother last night?

8. The students didn't write new words many times this morning 

Did the students write new words many times this morning ?

9. Tuan didn't read a new novel last week 

Did Tuan read a new novel last week?

10. We didn't drink a lot of soft drink at the party last night

Did you drink a lot of soft drink at the party last night?

1. Phủ định: The students were not at the school yesterday afternoon.

Nghi vấn :Were the students at school yesterday afternoon?

2.  Phủ định: lan was not.......

Nghi vấn : was lan ......

3. : my father was not...

:Was my father......

4. We did not participate in the cooking festival.

Did you join the cooking festival?

5.Nam and Ba didn't play soccer in the schoolyard yesterday morning.

Did Nam and Ba play soccer in the schoolyard yesterday morning?

6. tam did not do....

Did Tam do her homework last night?

1. Christmas songs were performed for people in town
2. Children were given presents on Christmas Eve by Santa Clause
3. Liz was invented to the rice by Ba
4. The festival was held in the communal house yard
5. Our house is painted by us every three years
6. The boy knew that he was being praised 
7. I haven't ever been asked that question before
8. The first prize was awarded to the Mekong team by the council leader

Đề là chuyển sang dạng bị động, right ?

1. Clement Clarke Moore wrote the poem “ A visit from Saint Nicholas”.
The poem “A visit from Saint Nicholas” was written by Clement Clarke Moore.
2. Have you sent the Christmas cards to your family?
Have the Christmas cards been sent to your family by you ?
3. The manager didn’t phone the secretary this morning.
The secretary wasn't phoned by the manager this morning.
4. Her mother is preparing the dinner in the kitchen
The dinner is being prepared in the kitchen by her mother.
5. Ann had fed the cats before she went to the cinema
The cats had been fed by Ann before she went to the cinema.
6. Ba invited Liz to the rice- cooking festival.
Liz was invited to the rice-cooking festival by Ba.

7. Some people will interview the new president on TV.
The new president will be interviewed on TV.
8. My father waters this flower every morning.
This flower is watered by my father every morning.
9. They are going to buy a new apartment next year.
A new apartment is going to be bought by them next year.
10.We should clean our teeth twice a day.
Our teeth should be cleaned twice a day.