虚拟语气例句：
1、If I were you,I would take an umbrella.如果我是你，我会带把伞。
2、If I knew his telephone number,I would tell you.如果我知道他的电话号码，我就会告诉你。 　
3、If there were no air or water,there would be no living things on the earth.如果没有水和空气，地球上就不会有生物。
4、If I had any money with me,I could lend you some.如果我带钱了，我就会借给你些。
虚拟语气是说话者用来表示假设，或难以实现的情况，而非客观存在的事实，所陈述的是一个条件，不一定是事实，甚至完全与事实相反。此外如需表达主观愿望或某种强烈的感情时，也可用虚拟语气。虚拟语气通过谓语动词的特殊形式来表示。