Wednesday, June 6, 2018

Usage Difference between to-infinitive and participle

I came across this question today.





Q: the correct expression for blank.




The documents ____ immediate attention are on top.




1. Requiring 2. To require





I know the answer is 1. Requiring, however I don't know why number 2 can't be an answer.



As far as I know, a to-infinitive can define a noun, like "books to read," so to me, number 2 can be an answer. But at the same time, I know "documents to require" looks very awkward. I just don't know why. Could you help me?

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