卫生类职称英语备考句型：

If I + V-ed,I would ……

结构：If…+过去式动词…，主词+过去式助动词（would/should 等）+原形动词

说明：这是与现在事实相反的假设句型。if 中的，不论为第几人称，一律用 were，were 可置于主词前面，而省略 if.过去式除用 should（用于第一人称） would（用于第二、三人称）外，还可用不分人称的 could，might 和 ought to，它们与原形结合起来构成。

If I knew his address,I could write to him. 如果我知道他的住址，我会写信给他。

If I were free now,I might call on him. 如果我有时间，我可能会去看他。

If you were in my shoes （=Were you in my shoes）,what would you do?

如果你站在我的立场，你会怎么做？

Were I rich enough,I would buy a sports car. 如果我有足够的钱，我就买一辆赛车了。

How happy I would be if I were a few inches taller!要是我再高几寸，我会好高兴。

If I had a car,I could take her for a drive. 如果我有车,我就带她去兜风了。

If I had binoculars,I could see that comet clearly.

如果我有望远镜，我就可以清楚地看见那颗彗星。