what if 的用法?敬请告之!

问题描述:

what if 的用法?敬请告之!
what if 引导的疑问句子里,它的语序是怎么样的呢?
what if i don't know anyone?怎么分析这句,它用的是陈述语序呀?

Scenario 1Bob:Let's go to play some golf this weekend.John:What if it rains?------------------Scenario 2Beth is doing well with her China business.But what if the Chinese economy overheats and collaps...