If引导的将来时虚拟语气表示“如果将发生什么动作,那么就...”
此时从句可以用If+主语+was/were to do,
主句用主语+would/could/should+have done.
例子：If I were to come tomorrow,I would have prepared for the ticket ahead of time.
翻译：如果我明天将要来的话,那么我就会提前准备好车票的.
if引导的表示将来情况的虚拟条件句,什么情况下用was to 和were to
If引导的将来时虚拟语气表示“如果将发生什么动作,那么就...”
此时从句可以用If+主语+was/were to do,
主句用主语+would/could/should+have done.
例子：If I were to come tomorrow,I would have prepared for the ticket ahead of time.
翻译：如果我明天将要来的话,那么我就会提前准备好车票的.