过去将来完成时从定义上看表示在过去将来某一时间以前发生的动作，并往往会对过去将来某一时间或者某一时刻产生影响，例如：
1. I thought you'd have come by this time.
我想这会儿你已经来了。
2. He told them he would have finished it by 8 o'clock.
他告诉他们他会在8点以前干完。
3. I guessed that Helen would have told her something.
我猜海伦会告诉她一些情况的。
4. I thought you'd have finished your work by this time.
我想这会儿你已经完成了你的工作。
5. He told them he would have begun it by 7 o'clock.
他告诉他们他会在7点以前开始。
6. I guessed that her mother would have beaten her very hardly.
我猜她的妈妈会打的她非常厉害。
7. I thought you'd have awoke by this time.
我想这会儿你已经醒了。
8. He told them he would have returned this book by 5 o’clock.
他告诉他们他会在5点以前还这本书。
9. I guessed that Mary would have borrowed much money .
我猜玛丽借了很多钱。