Zero and First conditionals

If you leave butter under the sun...

• It might melt

• It melts

If you have any problems, don't worry...

• I could help you.

• I will help you.

If it's a war movie ...

• It could be violent.

• it won't be violent.

If Bob calls me...

• I will answer.

• I couldn't answer

If you present the especial ticket

• You might get a discount.

• You will get a discount.

If they continue making noise with their music.

• I couldn't call the police.

• I will call the police.

If you take the next cooking course...

• you learn how to cook

• you will learn how to cook

If you don't wear sunscreen to swim

• You will get sunburnt.

• You might get sunburnt.

If you turn on the TV

• it should show you the different channels

• it shows you the different channels

If you tell me your secret..

• I must keep it.

• I will keep it.