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1. I think you should use energy efficient light bulbs.
-If I were you, I would use energy efficient light bulbs
2. He produced a great idea for our environment project.
-He came up with a great idea for our environment project
3. Because she was adsent from the meeting, she didn't know the resolution.
-Because of being absent from the meeting, she didn't know the resolution
4. I won't take part in the volunteer program because I don't have enough free time.
-If I had enough time, I would take part in the volunteer program
5. We need to reduce our plastic waste, otherwise we'll threaten our own existence.
-If we don't reduce our plastic waste, we'll threaten our own existence
6. Due to the hurricane last night, I was without electric power.
-Since there was a hurricane last night, I was without electric power
7. People dumped toxic waste Products into the rivers or landfill sites.
-Toxic waste products were dumped into the rivers or landfill sites
8. Air pollution deaths will double by 2050 if the nations don't act.
Unless the nations act, air pollution deaths will double by 2050
9. As the world's temperature rise, the Arctic keeps losing its ice.
Due to the rise of world's temperature, the Arctic keeps losing its ice
10. I live by the sea, so I'm really worried about global warming.
If I didn't live by the sea, I wouldn't be worried about global warming
11. I won't help you if you don't try your best.
Unless you try your best, I won't help you
12. We'll come to the meeting if we aren't busy.
Unless we are busy, we'll come to the meeting
1. If the earth gets warmer, the sea will get warmer.
2. If the sea gets warmer, the ice at the North and South Poles will melt
3. If the ice at the North and South Poles melts, the sea level will rise
4. If the sea level rises, there will be floods in many parts of the world
5. If there are floods in many parts of the world, many people will lose their homes
2. Edna won’t leave the house under any circumstances. (will)
→ Under.no circumstances will Edna..leave the house.
3. If the river rises any higher, the town will be flooded. (rise)
→ Should the river rise any higher..., the town will be flooded.
4. If you’d paid on time, you wouldn’t have been cut off. (paid)
→ Had .you paid on time..,you wouldn’t have been cut off.
5. He had just recovered from flu when he caught a bad cold. (sooner)
→No..sooner had he recovered .from flu than he caught a bad cold.
6. He took such a long holiday that he forgot how to do this job. (did)
→Such a long holiday.did he take ..that he forgot how to do this job.
7. They managed to get our attention only by shouting and waving their arms. (manage)
→Only by shouting and waving their arms..did they manage.to get our attention.
8. He only asks for help when he is really desperate. (ask)
→Only when he is really desperate.does he ask..for help.
9. If I see him, I’ll give him your message. (should)
→I’ll give him your message.should i see..him.
10. Tom never seems worried about his future. (seem)
→ Never.does Tom seem..worried about his future.
11. I’ve never had such fun anywhere else. (else)
→Nowhere.else have i had..such fun.
12. Lynn didn’t realize that her mother was so worried about her. (realize)
→Little..did Lynn realize.that her mother was so worried about her.
13. The army marched forward into battle. (marched)
→Forward.were the army marched..into battle.
14. Her parents and her friends warned her not to go alone. (as)
→Her parents warned her not to go alone,.as well as her..friends.
15. She sang so well that she was offered a record deal. (sing)
→So..well did she sing.that she was offered a record deal.
16. Unemployment hasn’t been at such a high level at any time since the 1930’s. (been)
→ Not since the 1930’s.has inemployment been..at such a high level.
17. I only watch television if I don’t have anything else to do. (do)
→Only when I have nothing else to do.do i watch..television.
18. She’s barely finished drying her hair when her first guests arrived. (had)
→Barely.had she finished..drying her hair when her first guests arrived.
19. He didn’t thank me once for feeding his cat. (once)
→Not.once did he thank..me for feeding his cat.
20. If there had been a phone nearby, he would have called an ambulance. (there)
→Had..there been a phone.nearby, he would have called an ambulance
1.What would happen if water pollution stopped?
2.Would we be happy if air pollution in the world were a better place?
3.If there were no pollution,would the world be a better place?
4.If I were you,I would take these bottles to the bottle bank.
5. If people didn't really care about the environment, they wouldn't try to save it.
6.The river wouldn't be so polluted if the factories didn't dump the waste into it.
7.We would be less worried if oil spills didn't have such destructive effects.
8.If we destroy the ozone layer, what would save us from the UV rays?
1 . Stop ......arguing.... ( argue) and start to .....work..... ( work )
2. I like......to think..... ( think ) carefully about things before ......making..... ( make ) a decision
3. Ask him to ......to come.....(come ) in. Don't keep him .......standing......( stand ) at the door
4. Don't forget to .....lock..... (lock) the door before ( go )going to bed
5. Did you succeed in .....solving...... ( solve ) the problem ? Let me ......suggest.......( suggest ) some solutions
6. Does your jacket need .....washing.... ( wash )? - No. But you need to ......iron.....( iron ) it
7. I prefer ....walking....... ( walk ) to ......riding.... ( ride)
8. Don't try......to persuade..... ( persuade ) me. No thing can make me ......change..... ( change ) my mind
9. It was a really good holiday. I really enjoyed ......being...... by the sea again ( be )
10. I don't mind .....walking...... ( walk ) home, but I'd rather .....get......( get ) a taxi
Question I: put the verbs in brackets into the correct form.( câu điều kiện loại 1)
1. If we( recycle).......recycle..... more, we help the earth.
2. factories( not dump).......won't dump..........waster into rivers if the government fine them heavily.
3. if people travel to work by bus, there( be)..will be.... fewer car fumes.
4. we( save) ...will save.......thousands of trees if we don't waste paper.
5. if we use water carefully, more people( have)..will have..fresh water.6. if the factory( continue)........continues.... dumping poison into the lake, all the fish and other aquatic animals will die.
7. if we recycle mỏe, we( help).........will help............. the earth.
8. if people ( travel)...........travel........ to work by bus, there will be fewer car fumes.
9. we save tthusands of trees if we( not waste).................don't waste paper.
10. factories don't dump waste into rivers if the govenment( fine).......fine.......... them heavily.
Question II. put the verbs in brackets into the correct form.
1. if he( study)......studies........ harder, he can passan exam.
2. she may be late if she( not hurry)....does not hurry..............3. if you study harder, you(pass)......will pass............ the exam.
4. if you are kind to me, I(be)......will be............good to you.
5, if he( give)............gives............up smoking,as his doctor orders, he will be soon well again.
6. you( not pass)......will not pass........your driving test unless you drive more carefully.
7. he'll be ill if he( not stop).......does not stop...........worrying so much.
8. we'll go to the beach tomorrow if it( be)......is................... nice.
Question III. put the verbs in brackets into the correct form.( câu điều kiện loại 2)
1. if I were you, I(look)....would look.............. for a new place to live.
2. if Lan wasn't ill, she( join)........would join.. out tree plating activity.3. if there were fewer cars on the road, there(be).....would be................ less pollution.
4. if people really cared about the environment, they( not dump)...........wouldn't dump.......waste into the lake.
5. if there was no fresh water in the world, what(happen).....would happen........
6. if you (be)..........were.......the president, what would you do to help the environment?
D
D. If I didn’t live by the sea, I wouldn't be so worried about global warming.