引导定语从句的关系副词有三个:when,where,why,都在定语从句中担任状语(注意不能担任主语和宾语,这常常是解题关键)IputdownthetimewhenIsawasoldier.Ienteredtheroomwhereweusedtosingtogether.Thatisthereasonwhyhereactedthisway.