If I study today, I (a)   (go) to the party tonight.

If I (a)   (have) enough money, I'll buy some new shoes.

She (a)   (be) late if the train is delayed.

She'll miss the bus if she (a)   (not-leave) soon.

If she (a)   (come) today, he will be very surprised.

She (a)   (look) completely different if she cuts her hair.

If he (a)   (learn) the basics of computers, he will be a better student.