1. You should/may visit the Science Museum.
2. You might/can see viruses only through a microscope.
3. You don't have to/must not tell lies.
4. You would/ought to see a doctor soon.
5. You could/may help me with the dishes.

1. You should/may visit the Science Museum.
2. You might/can see viruses only through a microscope.
3. You don't have to/must not tell lies.
4. You would/ought to see a doctor soon.
5. You could/may help me with the dishes.

1. You should visit the Science Museum.

2. You can see viruses only through a microscope.

3. You must not tell lies.

4. You ought to see a doctor soon.

5. You could help me with the dishes.

Ngu Anh, nếu sai xin chỉ giáo !

Chuyển sang câu bị động: 1. You ought to water these plants once a week.

-> These plants ought to be watered once a week. 2. Are you going to mail these letters soon.

-> Are these letters going to be mailed soon? 3, people will make television programmes more interesting for children

-> Television programmes will be made more interesting for children. 4. They will look after him well.

-> He will be looked after well. 5. Someone will serve tea.

-> Tea will be served. 6. People must not leave bicycles in the hall

-> Bicycles mustn't be left in the hall. 7. Mr Green used to take his children to the circus.

-> Mr. Green's children used to be taken to the circus. 8. Members may keep books for three weeks

-> Books may be kept for three weeks.

1. The question can be answered.

2. The box would be carried.

3. The window should be opened.

4. Cards might be played.

5. The car ought to be washed.

6. The form must be filled in.

7. Could the dog be fed?

8. Could the door be locked by Jenny?

1. I can be answered the question.

2.she could be carried the box

3.you should be opened the window 

4 we might be played cards

5. you ought to be washed the car

6. he must be filled in the form.

7 . could you be fed the dog ? 

8 could jenny locked the door?

Ex4. Write conditional sentences type I or II for these situation.

1. People eat dirty food. They can be cancer.

If people eat dirty food, they can be cancer.

2. A factory directly discharges a large volume of waste water into the Thi Vai River. The river is polluted.

If a factory didn't directly discharge a large volume of waste water into the Thi Vai River, the river wouldn't be polluted

3. Farmers use polluted water to water their plants. People eat these plants, they become sick with diseases such as diarrhea, bacterial in flections even cancer

If farmers didn't use polluted water to water their plants, people eat these plants wouldn't become sick with diseases such as diarrhea, bacterial in flections even cancer.

4. Thermal pollution takes place. The water temperature in streams, rivers, lakes and oceans will increase or decrease suddenly

If thermal pollution takes place, the water temperature in streams, rivers, lakes and oceans will increase of decrease suddenly.

5.People live in radioactive pollution area. They can be skin cancer

If people live in radioactive pollution area, they can be skin cancer.

1 if he does not come soon , he ............... be late a has b ought to c ought d might 2 i wish i ................. on a beautiful sunny beach now a would be lying b can be lying c can be lied d could be lying 3 in order ................. your writing , you have to read a lot and write english as much as possible a to improve b to excel c to pass d advertment 4look at this .............. in today is edition of the vietnam news , nam a advertisement b advertising c advertise d advertment 5 after completing the basic class of computing , you an ................ a high course a come b have c attend d go 6 i wonder .................... a why he does not love his family b why does not he love his family c why does he love his family / d why loves his family ? 7 the village .............. near the foot of a mountain and by a river a goes b lies c comes d stands

1.b

2.d

3.a

4.a

5.c

6.a

7.b

1 if he does not come soon , he ............... be late

a has b ought to c ought d might

2 i wish i ................. on a beautiful sunny beach now

a would be lying b can be lying c can be lied d could be lying

3 in order ................. your writing , you have to read a lot and write english as much as possible

a to improve b to excel c to pass d advertment

4look at this .............. in today is edition of the vietnam news , nam

a advertisement b advertising c advertise d advertment

5 after completing the basic class of computing , you ................ a high course

a come b have c attend d go

6 i wonder ....................

a why he does not love his family

b why does not he love his family

c why does he love his family /

d why loves his family ?

7 the village .............. near the foot of a mountain and by a river

a goes b lies c comes d stands

6. This dish was brought by the waiter (wait-er)