Complete the sentences with the corret form of have to.
1 You...........(not) go if you don't want to.
2 .......you..............stand up when speak to your teacher in class?
3 She......(not) wear a uniform when she went to summer school in Spain.
4 He's hurt his arm so he.........go to hospital for an X-ray.
5 ........people....get a visa for a trip to Australia?
6......he.....to drive on a motorway when he took his driving test?