If Peter (come) to my place, we (go) to play in the yard. If Peter (not come) to my place, I (watch) TV.
If Frank’s parents (have) their holidays in summer, they (go) to the seaside.
If they (have) their holidays in winter, they (stay) at home.
If the fog (thicken), Harold (put up) the tent for the night.
When I (finish) my work, I (go) to the cinema.
We (buy) this book as soon as our mother (give) us some money.
When we (come) to your place you (show) us your present.
I (return) you your ring when you (ask) me.
I (wait) for my friend until he (come) from the shop.
My father (start) writing before the sun (rise).
As soon as you (finish) your study I (present) you with a new flat.