Modal verbs: should/ought to/must/have to/can

I must/have to ride a bike to school, because my parents won't give me a ride.

I can/can't - ride a bike - look, I am perfect at this!

You mustn't/don't have to enter without a mask here - it's forbidden.

My mum told me - you mustn't/have to clean your room if you want to go out today...

The teacher told us we don't have to/can't do the homework if we are too tired.

You mustn't/don't have to cross the road when the light is red!

You have a terrible backache - you should/shouldn't lift anything heavy!

You ought to/ought not to buy a ticket when you enter an aquapark.

She has a nasty cold - she should/shouldn't stay at home.

I can't/can sing too well, but I will try my best!

I must/have to study very hard, since I want to become a doctor.

You ought not to/ought to tell lies.