关于动词不定式问题

来源:百度知道 编辑:UC知道 时间:2024/06/01 10:25:54
he give me something to remember him by.
he give me a pen to write with.
为什么不定式后要加介词?
I have no friend to advise me.为什么不要加介词?

希望高手可以详细解答,多谢!

advise为及物动词,对象直接为me。write在此处加with表示书写的方式,用笔写,而不是书写的内容。表方式时write with the pen,表内容时,write something,后一种做不定式不用加介词。如i have something to write

remember him by something
write with a pen
advise me <something >