Is this usage of infinitives natural and common?
This lecture is useful to drive young people into an inmediate action.
Both "useful to (verb)" and "useful for (verb+ ing )" are used. According to Google's Ngram Viewer "this is useful for" is used more than twice as often as "this is useful to". That being the case, I would rewrite as shown below.
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Both "useful to (verb)" and "useful for (verb+ing)" are used. According to Google's Ngram Viewer "this is useful for" is used more than twice as often as "this is useful to". That being the case, I would rewrite as shown below.
nicetomeetyouThis lecture is usefulto drivefor driving young people intoan