first conditional

If we...by bus, it'll be cheaper.

If you..., you'll miss the train.

If I ... Ann tomorrow, I'll ask her to call you.

 I will go to the concert if I … a ticket.

If I … well tomorrow, I will stay at home.

The students … football at the stadium if it doesn’t rain.

If you are hungry, we … lunch.

The alarm … if there is a fire.

It … difficult to find a hotel if we arrive late.

You … a cold, if you go out in such a windy day.

If the weather is nice tomorrow, we … to the beach.