老薛侃英语语法44：不含 if 的条件句

老薛 老薛讲英语 2019-03-16 15:52

条件句不一定非得用 if 引导，还可以有 when（当……时候），on condtion that（在……情况下）， for fear（以免），lest（以免）， in case（以免），unless（除非），suppose（假设） 等词来引导。举例：

For fear / Lest / In case I (should) forget, please remind me in time. 请及时提醒我，免得我忘记。

She is walking slowly as if she were tired. 她走得很慢，就像累了似的。

Unless I were well, I wouldn't be at school. 除非我好了，否则我不会去上学。

Suppose you were given a chance to study in America, would you like to go? 假如你有机会去美国， 你愿意去吗？