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#1. I have difficulty pronouncing some words.

#2, I have difficulty to pronounce some words.

I ususally have learnt that 'difficulty' is followed by 'Gerund(-ing).

Do you think #2 is possible? If so, what is the difference between those two?

I guess 'to-inf' in #2 might be used as an apposition and gerund in #1 is used as an adverb . Am I right? or not?

Thanks.

David, Park
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#2 is no good.
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