目的状语和宾补得区别

问题描述:

目的状语和宾补得区别
由不定式构成的目的状语一般跟在宾语后面的,和宾补有什么区别啊,总是弄混,

目的状语的逻辑主语是句子的主语;宾语补足语的逻辑主语是句子的宾语.
例如:I have bought this notebook to write my diary.
I-主语,have bought-谓语,this notebook-宾语,to write my diary-目的状语(逻辑主语是I)
He asked me to write a letter.
He-主语,asked-谓语,me-宾语,to write a letter-宾语补足语(逻辑主语是me)