1. The car park is free – you don't have to pay to park your car there.
2.I went to the bank this morning. There was no queue, so I didn't have to wait.
3.Sally is extremely rich. She doesn't have to work .
4.We've got plenty of time. We don't have to get up yet.
5.Jack has got a beard, so he doesn't have to shave .
6.I'm not particularly busy. I've got a few things to do but I don't have to do them now.
7. A man was slightly injured in the accident but he didn't have to go to hospital.