1.Don't go out in the rain because you will get wet. 

⇒If you go out in the rain, you will get wet

2. I won‟t enjoy the film if you aren‟t with me.

⇒Unless you are will me, I won't enjoy the film

3. My brother will have enough money. He will buy a bicycle.

⇒If i buy brother has enough money, he will buy a bicycle

4. I will buy a new hat. I will give it to you.

⇒If i buy a new hat, I will give it to you

5. Let's ask the teacher. He will explain it to you.

⇒If you ask the teacher, he will explain it to you

6. The weatherman says it is going to rain this weekend. Therefore we won‟t have a picnic.

⇒If the weatherman says it is going to rain this weekend, we won't have a picnic

7. Betty will not go to the party tonight because Tom will not go.

⇒If Tom goes to the party, Betty will go tonight

8. Leave a bowl of water under the sun and wait for it to evaporate.

⇒If you leave eave a bowl of water under the sun, it evaporates

9. Press this button and the TV will shut off.

⇒If you press this button, the TV will shut off

10. A fuel crisis is what we are going to face as soon as we use up all the fuel.

⇒If we use up all the fuel, we will facea fuel crisis

If you go out in the rain ,you will get wet

2if i were you i wouldn't ẹnoy this film

3if his brother has enough money,he will buy a bicycle

4if i buy a new hat i will give it for you

5if you ask the teacher,he will explain it to you

6if it isnot going to rain this weekend , we will have a picnic