Составить три предложения с have to и три предложения с may

I want to have a bicycle. They are going to have their own house. I want to play snowballs with my friends. May I go out? She may go with us They may visit us today

We have to be quiet in the library. Friends and I have to help at home. They have to start work at eight o'clock. You may use my computer. She may stay with us. He may visit his grandparents tomorrow.