Ex1
1. If it hadn't been for my father's money, we couldn't have managed
2. Hardly had I put the phone down when the boss rang back
3. The English owe the introduction of potatoes and tobacco to Walter Raleigh
4. The union delegate observed that he would be very surpised if his members agreed
5. Despite my strong disapproval of your behavior, I will help you this time
6. I'm sorry not to have attended Profressor Baker's lecture
7. The concert may have to be cancelled
8. It came as no surprise to me that Harry had failed his driving test.