1.
He was afraid of losing Irene forever. 2. I wondered if I should
apologize for having said it. 3. He insisted on coming downstairs with
her and putting her into a cab. 4. He assured us it was the easiest way of doing it. 5. He never succeeded in teaching her to drive. 6. I
haven’t thanked you for saving my life yet. 7. There is no use of
trying to stop him. 8. He passed through the crowd of merry people in
the square without seeing anybody. 9. I’m tired of repeating the same thing
several times.10. I suspect him of telling lies all the time. 11. Her
father strongly objected to smoking. 12. I remember (of) reading
something about it in the paper.