不定式做定语时通常都置于所修饰名词的后面.不定式和它所修饰的名词可以是主谓关系,也可以是动宾关系.1.主谓关系时：如 She was the first person to think of the idea.（the first person 与think of 是主谓关系,...那都是主动了罗？