If you come home late, your parents__________(worry).
will worry.
If you don't listen to me, you _____(not know) what to do.
won't know
If we don't leave now, we ____(miss) the train.
will miss
If there isn't enough snow, we _____ (not go) skiing.
won't go
If she____ wants to go to university, she _____ (have) to study very hard.
will have
If the match is on TV, I _____(watch) it.
will watch
If I have time, I_______(phone) you later.
will phone
If she doesn't invite Joe to her party, he _____(be) upset.
will be
If you drop your phone into water, it_______(stop) working.
will stop
I_______(help) you if you ________(not understand) the exercise.
will help / don't understand
If you don't hurry up, you_________(be) late for school.
will be
If you can't find your phone, I ______ (lend) mine.
will lend
If the weather is bad, we_____(not have) a barbecue.
won't have
If you text me, I________(reply) immediately.
will reply
If she becomes a singer, she _____ (earn) lots of money.
will earn
If we leave before 10 o'clock, we_______(not be) late.
won't be
If you come to the party, you ______ (have) a great time.
will have