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<b>TRAN HUNG DAO SECONDARY SCHOOL</b>
Conditional sentences IF clause => Main clause Examples
Type 1:
Tương lai có thể xảy ra.
(Future possible)
am, is, are shall
If + S + Vs/es , S + will + V
don’t +V can
doesn’t +V may
V must
V
Don’t +V
If it rains well, the farmers will get good crops
You can use my telephone if you need.
You must work hard if you want to earn a lot of money.
Come to visit me if you have free time.
Don’t smoke cigarettes unless you want to be healthy
Type 2:
Hiện tại không thật
(present unreal)
Ved1 could
If + S + didn’t + V , S + would + V
was/ were might
weren’t had to
If I were you, I would learn english very well.
He might save his money if he did not play cards today.
* Chú ý: khi tương lai khơng thể xảy ra thì phải dùng type 2
In the future if the sun rose in the east, there would be a lot
of changes in the world
1. If we (cycle)……….. more, we (help)
……….. the Earth.
2. Factories (not dump) ……….. waste into rivers
if the government (fine)………... ..them heavily.
3. If people (travel) ……….. to work by bus, there
(be) ………. fewer car fumes.
4. We (save) ……….…. thousands of trees if we
(not waste) ……… paper.
5. If we (use)……… water carefully, more people
(have) ………. fresh water.
<i><b>recycle</b></i>
<i><b>will help</b></i>
2. Combine each pair of sentences to make a conditional
sentences type 1.
1. Students are more aware of protecting the environment.
Teachers teach environmental issues at school.
………
………
2. Light pollution happens. Animals change their behaviour
patterns.
………
………
….
<i><b></b></i>
<i><b>Students </b><b>will be more </b><b>aware of protecting the environment </b></i>
<i><b> if</b><b> teachers teach environmental issues at school.</b></i>
<i><b></b></i>
<i><b> If / When</b><b> light pollution happens, animals </b><b>will change </b></i>
3. The levels of radioactive pollution decrease. We switch
………
……….
4. The water temperature increases. Some aquatic creatures are
unable to reproduce.
………
……….
5. People get more diseases. The water is contaminated.
………
……….
<i><b></b></i>
<i><b> The levels of radioactive pollution </b><b>will decrease , if </b><b>we </b></i>
<i><b>switch from nuclear power to renewable energy sources.</b></i>
<i><b></b></i>
<i><b> If</b><b> the water temperature </b><b>increases</b><b>, some aquatic creatures </b></i>
<i><b>will be unable </b><b>to reproduce.</b></i>
<i><b></b></i>
<b>If I were you, I’d look for a new place to live. (B)</b>
<b>If lan wasn’t ill, she would join our tree planting activity. (C)</b>
<b>If lan wasn’t ill, she would join our tree planting activity. (C)</b>
<b>If there were fewer cars on the road, there would be less </b>
<b>pollution. (D)</b>
<b>If there were fewer cars on the road, there would be less </b>
<b>pollution. (D)</b>
<b>If people really cared about the environment, they wouldn’t </b>
<b>dump waste into the lake. (E)</b>
<b>If people really cared about the environment, they wouldn’t </b>
<b>dump waste into the lake. (E)</b>
<b>4. Put the verbs in brackets into the correct form.</b>
<i><b>were</b></i>
<i><b>were</b></i>
<i><b>would you do</b></i>
<i><b>would you do</b></i>
<i><b>exercised</b></i>
<i><b>exercised</b></i>
<i><b> would be</b></i>
<i><b> would be</b></i>
<i><b>had</b></i>
<i><b>had</b></i>
<i><b>would build</b></i>
<i><b>would build</b></i>
<i><b>tidied</b></i>
<i><b>tidied</b></i>
<i><b>wouldn’t be</b></i>
<i><b>wouldn’t be</b></i>
<i><b>was / were</b></i>
<b>5. Write a conditional sentence type 2 for each situation, as in the </b>
<b>example.</b>
1. People throw rubbish in the street. The street doesn’t look
attractive.
2. There are so many billboards in our city. People can not
enjoy the view.
If there weren’t so many billboards in our city,
people could enjoy the view.
3. There is so much light in the city at night. We can not see the
stars clearly.
If there wasn’t so much light in the city at night, we
could see the stars clearly / If there weren’t so
much light in the city at night, we could see the
stars clearly.
4. We turn on the heater all the time. We have to pay three
million dong for electricity a month.
<sub></sub>If we didn’t turn on the heater all the time, we
wouldn’t have to pay three million dong for
electricity a month.
5. The karaoke bar makes so much noise almost every
night. The residents complain to its owner.
<sub></sub>If the karaoke bar didn’t make so much noise
almost every night, the residents wouldn’t
complain to its owner.
6. She has a headache after work every day. She works in a
noisy office.
<sub></sub>She wouldn't have a headache after work
Celinne Dion – And so this is Xmax