1 if I don’t finish homework in an hour, I will be late for the party.
2 if I leave home late,I will miss the bus.
3 if I miss the bus, I will walk to the town centre.
4 if I walk to the town centre, I won’t get to the cinema at 7 o’clock.
5 if I don’t get to the cinema at 7 o’clock, I won’t be able to sit next to my friends.