请高手帮我把这句话译成英语

You can have my word that the documents/information you provid(ed) me will be only used for personal learning and in no case it could be used in business purpose.

NO

I guarantee that you provide to my information only for my personal study and will not be used for any commercial purpose

I promise ,the materials you provide to me will be only used in my studys ,instead of any commercial uses.

I guarantee that the informations that you've provided me will be used solely for my own studies and not for any commercial purpose.

/I promise that the information you provide me will be used in my personal study but any other commercial actions