Should I say 'to understand' or 'understanding'? Can I use these expressions interchangeably based on the context of the sentence? I guess I can. What do you think? The history professor thought that his students would have a hard time (to understand, understanding) the so-called "twilight of the Cold War."
Top answer
Only 'understanding' is colloquial in this context.
— Rover_KE
Only 'understanding' is colloquial in this context.
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