如:I have someting to eat.意思是 我有吃的东西to eat 是不定式,修饰someting(名词或代词)eat something 是主谓关系,在逻辑上留意原句someting to eat,某物去吃,但其意思是 可被吃的某物,这就是主动表示被动.注:不...