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

1. If the Earth gets warmer, the sea will get warmer

2. If the ice at the North and South Poles melts, the sea level will rise

3. If there are floods in many parts of the world , many people will lose their homes

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.

 Alfie: This is an amazing place. I wish I lived here.

Macy: Me too. If only I were a member of the Howard family!

Alfie: But if it were my house, I wouldn't allow people to visit.

Macy: That's mean! You'd get bored on your own.

Alfie: Oh, I'd let my friends visit, of course. But not the public.

Macy: If you had a party, you could invite hundreds of people!

Alfie: I know. The parties would be better if I made a few changes, though.

Macy: What kinds of changes?

Alfie: Well, if those trees weren't there, there'd be room for a swimming pool!

Macy: You could make some changes inside as well. I mean, look at this corridor.

Alfie: The Antique Passage, you mean?

Macy: Yes. If you took away all the statues, you could build a great bowling alley there!

If you practice frequently, you'll become an expert.

If you tell lies again, you'll be punished

If you don't stop talking, I'll send you out of the classroom.

A: What will you do if you get poor marks in your next English text?

(Bạn sẽ làm gì nếu bị điểm kém trong bài tiếng Anh tiếp theo?)

B: I will try my best and study hard for the next time.

(Tôi sẽ cố gắng hết sức và học tập chăm chỉ trong thời gian tới.)

A: What will you do if the weather is fine at the weekend?

(Bạn sẽ làm gì nếu thời tiết tốt vào cuối tuần?)

B: I will hang out with my friends and go camping.

(Tôi sẽ đi chơi với bạn bè và đi cắm trại.)

A: What will you do if you get COVID-19?

(Bạn sẽ làm gì nếu bị nhiễm COVID-19?)

B: I will stay at home and avoid going out.

(Tôi sẽ ở nhà và tránh đi ra ngoài.)

III. Rewrite the following sentences using Conditional sentences type 1:

9. Study harder and you will succeed.

If you study harder, you will succeed.

10. Keep silent and we'll understand.

If we keep silent, we'll understand.

11. Do exercise regularly and you'll be fit.

If you do exercise regularly, you'll be fit.

V. Rewrite the following sentences, using “Conditional sentences”:

1. Peter studies very hard and he passes the examination.

If ____Peter didn't study hard, he wouldn't pass the examination________________________________________________________________________

2. Trees and grasses cannot grow here because the soil is badly polluted.

If ____the soil wasn't badly polluted, trees and grasses could grow here________________________________________________________________________

3. I am very busy. I can’t go with you.

If ___I wasn't very busy, I could go with you_________________________________________________________________________

4. You can’t make a cake without flour.

Unless ___you have flour, you can't make a cake_____________________________________________________________________

5. You should buy a new dictionary.

If ___I were you, I would buy a new dictionary_________________________________________________________________________

1. Peter studies very hard and he passes the examination.

If Peter studies hard, he will pass the exmination.

2. Trees and grasses cannot grow here because the soil is badly polluted.

If trees and grasses are grown here, the soild will be badly polluted.

3. I am very busy. I can’t go with you.

If I am busy, I can't go with you.

4. You can’t make a cake without flour.

Unless have flour, you can't make a cake.

5. You should buy a new dictionary.

If I were you, I would buy a new dictionary.

1. If the drive in front hadn’t stopped suddenly the accident wouldn’t have happened.

2. If you throw a stone into water, it sinks.

3. I had known you were busy,I wouldn't have disturbed you.

4. If Martin hadn't been very nervous, he wouldn't have failed his driving test last week.

5. If he had worked hard, he would have passed the exam.

6. If Margaret hadn't worn a seat belt, she would have been injured.

7. If I used to live in a farm, I would know how to raise cattle.

8. If I hadn't stayed in a small hotel near the beach, I wouldn't have a good view of the sea.

9. If I had had an umbrella, I wouldn't have got wet.

10. If I hadn’t missed my flight, I would attend an important meeting.

If it rains tonight, we won't go out

if it rainy tonight,we won't go out

If you buy her a bunch of flowers, she'll forgive you.

If you tell me the truth, I can help you.

If you learn the rules by heart, you'll be able to do the exercise.