2 If you give him time he'll change his mind.
3 Unless you book in advance, you won't get a seat.
4 If you don't send in your application form today they won't consider you for the job.
5 If we disturb him he'll get really bad tempered.
6 If you don't go now you'll miss the last bus.
7 Unless there's a problem I'll see you at eight.
8 If you don't slow down the police will stop us.
9 Unless you learn the Highway Code you won't pass your driving test.
10 If you don't put the headlights on the drivers won't be able to see us.
11 If you park on the pavement you'll get a fine.
12 Unless you hang up your clothes they'll get creased.
13 If you don't cut down on the amount of sugar you won't lose your weight.