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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 ...
Word or phrase for help that is really not helpful [duplicate]
helpful to vs. helpful for - WordReference Forums
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