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grammar - "helpful for you" or "helpful to you" - English Language ...
Be helpful in doing something vs Be helpful to do something
What's the difference between "think it helpful" and "think it's ...
helpful to vs. helpful for - WordReference Forums
Word or phrase for help that is really not helpful [duplicate]
meaning - Is "I'm glad it helped" grammatical? - English Language ...
Useful vs Helpful - WordReference Forums
What is the correct way to use infinitive after the verb "help": with ...
It will be helpful 'to' you: [for?] - WordReference Forums
Helpful for others or helpful to others - WordReference Forums