Prepositions often confused 390. From for Of or In. Dont say: Hes the tallest from all the boys. Say: Hes the tallest of all the boys. Or: Hes the tallest boy in the class. Precede adjectives (or adverbs) in the superlative degree by "the" and follow them by "of" or "in". @common_mistakes 14.0K views05:45