if you get up early , you 'll be healthier

if you don't be absent again , you'll be fired.

if you don't turn off the television , you'll be shouted.

2 If you are not calm, you will make a wrong decision.

3 If you don't go right now, you'll be late for the train.

5 If you don't keep quiet, you'll wake the baby up.

Câu điều kiện loại 1 diễn tả điều có thể xảy ra ở hiện tại hoặc tương lai: If + S + V(hiện tại đơn), S +will/can + V(nguyên thể)+........

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.

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.

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

12. Go out or I'll call the police.

If you don't go out, I'll call the police.

13. Stay away from me or I'll shout.

If you don't stay away from me, I'll shout.

14. Hold together and we'll be safe and sound.

If we hold together, we'll be safe and sound.

Exercise 2. Rewrite the following sentences using conditional sentence type 1 

1. Drive carefully or you will cause accident.

=> If you drive to fast, you may have an accident

2. Be quiet or you’ll wake the baby up

=> If you don’t keep silent, you’ll wake the baby up.

3. I don’t have free time, that’s why I can’t go to see him.

=> If I had free time, I would go to see him

II/ Rewrite the following sentences, using “The first conditional sentence”.

1. Your mum will be very surprised when you cook her breakfast.

- If ___________________you cook your mum her breakfast, she will be very surprised__________________________________________.

2. Follow these safety instructions or you may get burn.

- If you _______________don't follow these safety instructions, you may get burn__________________________________________.

3. Children may only eat junk food unless we talk to them about healthy eating.

- If we don’t ________________________take to children about healthy eating, they may only eat junk food ______________________________.

EXERCISE :Rewrite the sentences without changing the mean

1. Why don't you finish your homework?

=> How about finishing your homework?

=> What about finishing your homework?

2. Do your homework or you will get bad marks

=> If you don’t do your homework you will get bad marks.

2. If you don't do your homework, you will get bad marks.

Do your homework; otherwise, you will get bad marks.