不及物动词位于句末时,后面什么时候该接介词什么时候不用?
例如固定搭配:arrive at someplace
位于句末时就像It was Sunday when I arrive.
又比如,write with a pen
The pen is too hard to write with.
请问这该怎么区分啊?按理说都是固定搭配啊~