I ___ understand his story.
He is very ill. He ___ consult a doctor.
You ___ do that.
You ___ telephone from here.
___ I sit here?
I ___ help you about the house.
___ I use the textbook at the exam?
I ___ take this medicine three times a day.
I ___ go to the theatre this evening.
Have you seen Teddy? I can't find him. I haven't seen him. He ___ be in district library.
Do you think Jacky will come to the party? I'm not sure. She ___.