1 if Jonh doesn't do this his homework, his teacher will be angry
2 you won't pass your exams, if you don't study
3 we will go to the concert, if we can get tickets
4 if there is a good film on tv, Lyn will watch it
5 Becky will be cold, if she doesn't wear her coat
6 Sally will be unhappy, if she misses the party