1. If I'd left sooner, I（ ）on time.
要是我早点动身，我就准时到了。(但我动身太迟了)
2. If we had found him earlier we （ ） his life.
要是我们当时早点找到他的话，我们就可以救活他。(可惜我们找到他太晚了)
3. If I had known that you were coming I（ ）you at the air-port.
要是我早知道你要来的话，我就会在机场接你了。
4. If he had lived, some day Michael （ ）something important.
假定麦克尔当时在世的话，他本可做出了不起的事。
5. If I had known how he felt, I （ ） him adopt those children.
我要是知道他的想法，我是决不会让他领养那些孩子的。
6. He （ ）the boy’s birthday if you hadn’t reminded him.
要不是你提醒他，他会忘记这男孩的生日的。
7. I thought Sophia （ ） you something.
我想索菲娅会已告诉你一地情况。
8. He knew by the time he arrived she（ ）home.
他知道他到时她会已经回家。
9. The day was drawing near when we（ ） the reservoir.
我们建成水库的日子不远了。
10. He said he（ ）with my camera by the end of next month.
他说到下月底就不用我的照相机了。
11. I guessed that Mother （ ） some sandwiches by the time we got back.
我猜我们回来时妈妈已经做好一些三明治了。
答案：1. would have been
2. could have saved
3. would have met
4. would have done
5. would never have let
6. would have forgotten
7. would have told
8. would have gone home.
9. would have completed
have done
have made