If you (study) well, you (enter) the university. If I (be) you, I (become) a doctor.
If he (break) his leg, he (not, come) to school today.
If she (not, visit) her granny, her granny (be) sad.
If you (not, do it), mum (get) angry.
If it (be) summer now, I (swim).
If you (heat) ice, it (melt).
If I (know) about it some time ago, I (help) you.
If the weather (be) fine, I (go) to the river, but I have to stay at home.
If he (lose) the match, he (not, take) part in the championship next year.
If it (be) autumn now, leaves (be) yellow.
If my teacher (not, fall) last year, she (not, break) her leg.