-----he be free tomorrow,he would come. A. should B . were to 选什么理由 呢

问题描述:

-----he be free tomorrow,he would come. A. should B . were to 选什么理由 呢
为什么答案是should 呢?表将来虚拟语气的 should 和 were to有什么区别呢

这是if引导的虚拟条件句的倒装,也叫条件句的省略,如果从句中有should,或were或had,可将这三个单词提到句子开头,省略if,所以were to不能都提前,只提前were就行.