If条件句 请解释下

题目

If条件句 请解释下
1.If you had stayed here ,you ____(see)him
2.If _____(be)you ,I would go at once.
3.If she ____(come)tomorrow,she would bring you the book you want
4.If he ____(not be)ill yesterday, he would have come to class
5.If he had taken the medicine,he____(feel)better now
6.He will stay at home if it____ (rain)tomorrow

答案

would have seen与过去事实相反的虚拟语气were 与现在事实相反的虚拟语气should come/ were to come 与将来事实相反的虚拟语气had not been ill 与过去事实相反的虚拟语气would feel 混合虚拟语气,从句与过去事实相...