分三种情况
一、对现在进行虚拟,If + 主语 + 过去时态,主语 + would + 动词
例如:If i were you,i would stay at home.如果我是你,我会呆在家里.
二、对过去进行虚拟,If + 主语 + had done,主语 + would have done
例如:If i had gone to the cinema yesterday,i would have met her.
如果我昨天去看电影,我就能遇到她了.(事实上我并没去看电影,当然也就没遇到她了.)
三、对将来进行虚拟,If + 主语 + were to do//should do,主语 + would + 动原.
例如:If you were to visit my school tomorrow,you would see me.
如果你明天来我学校的话,你就能看见我了.
楼上的翻译很好啊:)