什么时候关系代词前加介词??
定语从句中的词组含有介词,而这个介词放到关系代词前去了,或地点时间前的介词.如:This is the day on which you were born.They are looking for the boy to whom you wrote yesterday.
定语从句中的词组含有介词,而这个介词放到关系代词前去了,或地点时间前的介词.如:This is the day on which you were born.They are looking for the boy to whom you wrote yesterday.