If I were to , I
结构︰Ifwere to，would/should 等+原形动词
说明︰这也是表示与未来状况相反的假设句型，与if should, 大致相同，但if were to所表示的可能性更低，通常用以表示与真理相反的假设语气.
If the sun were to rise in the west, he would pass the exam.
要是太阳从西边出来，他就会通过考试他不可能通过考试。
If I were to be born again, I would like to be a bird.
我要是再活一次，我想当一只鸟。
If the sun were to disappear, what would the earth be like?
万一太阳消失了，地球会变成什么样子?
Were I to die tomorrow, what would my children do?
万一明天我死了，我的孩子们将怎么办呢?