If I (go) out tonight, I (go) to the cinema.
If you (get) back late, I (be) angry.
If he (come) , I (be) surprised.
If we (wait) here, we (be) late.
If Peter (sit) on the sofa, his sister (sit) next to him.
Mark (not tell) you the way if you (ask) him.
I (lend) you my laptop if you (promise) to be careful with it.
Mark lost if he (forget) the town map.
If the weather (not/improve) , we (not/have) a picnic.
They (go) to the party if they (be) invited.
