定语从句是由关系词引导的后置定语,主谓结构完整,属于句子范畴。with 与后面的名词构成介词短语,也可以充当后置定语,但不属于句子范畴。作定语的介词短语也可以扩展为定语从句。例如: ~She is a teacher with short hair (她是个留在短发的教师). ~She is a teacher who is with short hair.
定语从句是一个完整的句子,用于修饰限定中心词。 with句子则构成的只是一个介宾短语,不是一个名字。如: He is the man whom that I saw yesterday. 他就是我昨天见的那个人。 The boy was walking, with his father ahead. 父亲在前,小孩在后走着。本回答被网友采纳