Стр.106-107 Рабочая тетрадь ГДЗ Комарова Ларионова 9 класс
Grammar bank 5 First and second conditionals o We use the first conditional to talk about possible situations and their consequences.
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Приведем выдержку из задания из учебника Комарова, Ларионова 9 класс, Русское слово:
Grammar bank 5
First and second conditionals
o We use the first conditional to talk about possible situations and their consequences. We use the second conditional to talk about imaginary situations and their consequences. Compare:
If the sea level continues to rise, many places will be in danger. (The sea level is rising. It’s possible that it will continue to rise.)
If the Thames Barrier failed, it would be a real disaster. (The Thames Barrier hasn’t failed. We are imagining that it has.)
о To form first conditional sentences we use If + subject + present simple for the situation, and subject + will/won’t + infinitive without to for the consequence.
о To form second conditional sentences we use If + subject + past simple for the situation, and subject + would/wouldn’t + infinitive without to for the consequence.
first conditional
situation
If global warming continues,
consequence
the sea level will rise.
consequence
Polar bears will be in danger of extinction
situation
if the ice cap continues to melt.
second conditional
situation
If the Thames Barrier failed,
consequence
London would be under water.
consequence
People wouldn’t get so ill
situation
if they had clean water.
о We can put the situation first or we can put the consequence first. If the situation comes first, we put a comma.
If the sea level continues to rise, many places will be in danger.
о We don’t put a comma if the consequence comes first.
Many places will be in danger if the sea level continues to rise.
о We don’t use will or would in the If clause.
If it continues to rain, the river will flood. V
If it will continue to rain, the river will flood. X
If you saw the photos, you would think it was a disaster movie. V
If you would see the photos, you would think it was a disaster movie. X
Third conditional
o We use the third conditional to talk about situations that happened in the past and their imaginary consequences.
If I had known that the land used for cattle was destroying the rainforest, I would have become a vegetarian years ago.
о To form third conditional sentences we use If + subject + past perfect for the situation, and subject + would have/wouldntaskt have + past participle for the consequence.
third conditional
situation
If I had read the labels,
If we hadn’t taken the food from the rubbish bin,
consequence
I would have realized the food was genetically modified.
it would have gone to a landfill site.
consequence
I would have realized the food was genetically modified
It would have gone to a landfill site
situation
if I had read the labels.
if we hadn’t taken the food from the rubbish bin.
о We can put the situation first or we can put the consequence first. If the situation comes first, we put a comma.
If had known it was out of date, I wouldntaskt have bought the product.
о We don’t put a comma if the consequence comes first.
I wouldntaskt have bought the product if I had known it was out of date.
Grammar exercises 5
1 Circle the correct words.
1 If we use more renewable energy, we will help the environment.
2 There will be drought if it doesn’t rain soon.
3 If the temperature of the oceans gets hotter, some species of fish won’t survive.
4 He will save a lot of money if he buys a more energy efficient car.
5 Polar bears won’t survive if the polar cap melts.
6 If we don’t anything about global warming soon, it will be too late to save the planet.
2 Complete the second conditional sentences with the correct form of the verbs in brackets.
1 If we grew more GM crops, there would be more food for people in developing countries. (grow / be)
2 If I won the lottery, I would give some money to Water Aid. (win / give)
3 We wouldntaskt use so much fossil fuel if people drove electric cars. (not use / drive)
4 If you did more exercise, you wouldntaskt be so tired. (do / not be)
5 Landfill sites wouldntaskt be so full if people recycled more. (not be / recycle)
6 If people thought about the environment, we wouldntaskt suffer from these terrible floods and droughts. (think / not suffer)
3 Match the beginnings of the sentences with their endings.
1 If the ice melts in the Arctic. (b)
2 If Ana doesn’t arrive soon.
3 If I finish my homework early.
4 If Paul won the race.
5 If my dad gets the job.
6 If you didn’t eat so much fast food.
a) we’ll move to Kursk.
b) many countries will have floods.
c) he’d celebrate.
d) you’d feel better.
e) I’ll see you at the club.
f) she’ll miss the beginning of the film.
4 Write questions using the first or the second conditional.
1 If / Zoe / pass / her end-of-year exams / how / she / celebrate?
If Zoe passes her end-of-year exams, how will she celebrate?
2 If / you / be / an animal / what / animal / be?
3 Where / you / go / if / you / can / go / anywhere in the world?
4 What / they / do / if / it / be / sunny / tomorrow?
5 How / you / feel / if / it / always / rain / in your country?
5 Complete the third conditional sentences with the correct form of the verbs in brackets.
1 I wouldn’t have ordered (not order) that dish if I’d known (know) there was meat in it.
2 If Li had seen a cheap dress, she would have bought it.
3 My parents wouldntaskt have met if they had gone to different universities.
4 You would have been late for school if I hadntaskt woken you up.
5 If we had looked at the map we wouldntaskt have got lost.
6 Complete the third conditional sentences for each of these situations.
1 I didn’t go to bed early. I fell asleep in class.
If I’d gone to bed early, I wouldntaskt have fallen asleep in class.
2 I didn’t listen to my teacher. I did the wrong homework.
If Itaskd listened to my teacher, I wouldntaskt have done the wrong homework.
3 We didn’t buy the computer game. We didn’t have enough money.
We would have bought the computer game if we had had enough money.
4 Rob ran and he caught the bus.
If Rob hadntaskt run, he wouldntaskt have caught the bus.
5 You didn’t have a great time. You didn’t come to my party.
You would have had a great time if you had come to my party.