даю 35 баллов плмогите по английскому нужно написать 15 предложений с модальным глаголом to be to

You must learn English well. I might go to the park. We could do this task. Sould you go to the theatre? I have to take care of him. Would you like to drink tea? May I come in? Can you play the piano? Have you got a sister? We must take care of our parents. May we play ball here? You ought to be polite! I have to help him with his task. They might sleep in the big room.