—May I speak to the patient now?—No, you _____. He is too weak now.
—What are you doing this Saturday?—I'm not sure, but I ________ go to the Rolling Stones concert.
I'm going to Europe on vacation together with John if I ________ find the money.
He ________ sleep, although he tried to, when he got on such a hunt for an idea until he had caught it.
When I was a child, I ________ watch TV whenever I wanted to.
The little girl is walking along the beach, happy and joyful, ________ bending down to pick up a beautiful seashell.