定语从句在限定性定语从句是修饰前面的名词,在非限制性定语从句中是修饰前面的句子,或短语 This is the room in which my father lived last year.这是父亲去年居住过的房子. 宾语从句好像不修饰什么,它是在句子中做宾语,才叫宾语从句 He told that he would go to the college the next year 他告诉我他下一年上大学. I don’t know if there will be a bus any more. 我不知道是否还会有公交车. Nobody knew whether he could pass the exam. 没人知道他是否会通过考试.