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高中英语语法新体验——从经典例句开始
1.15.2 二、虚拟语气在条件句中的用法

二、虚拟语气在条件句中的用法

条件句有真实条件句与非真实条件句两种。

真实条件句所表示的假设是可能发生或实现的,句中的条件状语从句与结果状语从句皆用陈述语气。

If I have enough money,I will buy a computer.

假若我有钱,我就买台电脑。

If you haven't finished the book,you can keep it for one more day.

如果那本书你还没读完,你可以再看一天。

We won't succeed unless we plan well.

除非周密计划,否则我们是不会成功的。

If you haven't finished your composition,you can hand it in tomorrow.

假若你作文还没写完,你可以明天交。

非真实条件句所表示的假设则是不可能或不大可能发生或实现的,句中的条件从句与结果主句常用虚拟语气。

If I were you,I would reconsider their proposal.

我要是你,我要重新考虑他们的建议。(我不是你)

She would have come if we had invited her.

要是我们请了她,她是会来的。(可是我们没邀请她)

现将用于非真实条件句虚拟语气的动词形式列表如下:

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