问题描述：
有关不定式做后置定语加介词或不加介词的问题
英语里规定,不定式做后置定语与被修饰词存在逻辑上的动宾关系时,该不定式中的动词要么是及物动词要么是不及物动词加介词,如：
I have no pen to write with.
We must find a room to put these things in.
可是,在科普版小学英语第六册中有这么一句：
They are looking for a place to have lunch.
请问：该句中to have lunch后为什么不加介词in?
英语里规定,不定式做后置定语与被修饰词存在逻辑上的动宾关系时,该不定式中的动词要么是及物动词要么是不及物动词加介词,如：
I have no pen to write with.
We must find a room to put these things in.
可是,在科普版小学英语第六册中有这么一句：
They are looking for a place to have lunch.
请问：该句中to have lunch后为什么不加介词in?
问题解答：
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