Составьте по два предложения с can, could, must, have to, should, need to.

You can camp here because it's allowed. Bites of some spiders can be fatal for you
Could you repeat, please? He could read without glasses when he was young, but now he can't 
You must to keep of the grass. You must be careful when you drive a car
You have to wear a special outfit in school.  You have to keep your dog on a leash
You should go to a hospital. You should eat more fresh fruit to keep yourself healthy
I need to buy some soda for the party. There is no heed to hurry 

And you shall see how terryfing  the candy people can be!