九、其他虛擬語氣在句子中的應用：
9.1 用as if (或 as though 好象) 的狀語從句，表示與事實相反：
1. He pretends as if he didn\'t know the thing at all, but in fact he knows it very well.
（用過去式表示與現(xiàn)在事實相反的假設）
他假裝好象完全不懂那事，其實他對那事非常了解。
2. The old man looked at the picture, he felt as though he had gone back
to time 20 years ago.
(用過去完成式表示與過去相反的事實)
那老人看著照片，他覺得仿佛回到20年前的時光。
3. They talked and talked as if they would never meet again.
(would + 原形動詞meet，表示與將來事實相反)
他們談了又談，仿佛他們不會再相見的樣子。
9.2 用 had hoped 表示原來希望做到而實際上未能實現(xiàn)的事情。
其賓語從句的謂語要用\"would + 動詞原形\"：
1. I had hoped that she would go to the U.S. and study there, but she said she liked to stay in China. 我原本希望她到美國去念書，但她說她喜歡留在中
國。
9.3 用 without / but for / in the absence of 表示\"要不是\"、\"如果沒有\(zhòng)"，表
示條件虛擬句：
1. Without air, nothing could live.
要是沒有空氣，什么也不能生存。
2. But for your assistance, we could not accomplish it.
要不是你的幫忙，我們是難有成就的。
3. In the absence of water and air, nothing could live.
如果沒有水和空氣，什么也不能生存。
