The first conditional (if/unless)

If I pass my exam, I.... (go) to university.

• 'll go

• go

• goes

Unless more people .... (use) public transport, air polution will increase.

• use

• will use

• 'll use

• uses

I .... call you unless there's a problem.

• don't

• doesn't

• won't

• will

If Núria ..... you to her party, will you go?

• will invite

• invite

• invites

We .... at home if we run out of money.

• stay

• 'll stay

• stays

If I call later, .... (be) at home?

• you be

• will you be

• you will be

If Mum sees this mess, she .... angry

• is

• will be

• be will

We'll help local farmers if we .... their produce.

• will buy

• 'll buy

• buy

Unless it .... raining, we won't have a barbacue.

• will stop

• stop

• stops

• 'll stop

You ... happier if you talk to your boyfriend.

• are

• will be

• be will

• is