I (buy) a new dress if I (have) enough money.
I'll buy a new dress if I have enough money.
She (cook) dinner if you (go) to the supermarket.
She'll cook dinner if you go to the supermarket.
They (go) on holiday if they (have) time.
They'll go on holiday if they have time.
We (be) late if we (not/hurry).
We'll be late if we don't hurry.
She (take) a taxi if it (rain).
She'll take a taxi if it rains.
I (not/go) if you (not/come) with me.
I won't go if you don't come with me.
