Put one verb in each sentence into the Present Indefinite and the other verb into the wil/won't form.

When I (see)…………………………………………..him, I give him your message.
I buy a new car as soon as I (have)………………………………….enough money.
If the weather (be…………………. nice tomorrow, we (go)…………………sailing.
I (look after)……………………….your cat while you (be)……………….on holiday.
He (not / do)…………………….anything until he (hear)…………………….from us.
The door (not / open)……………………..unless you (push)………………….it hard.
We (play)…………………….tennis this evening as long as it (not / rain)…………
I (lend)…………………..you the money provided you (pay)……………….me back tomorrow.