Anonymous i have a doubt in using "in", "at", "of " and "for" Those are prepositions not pronouns, and you should have many, many doubts, since each of those prepositions have many, many uses. r=66
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Anonymous i have a doubt in using "in", "at", "of " and "for"Those are prepositions not pronouns, and you should have many, many doubts, since each of those prepositions have many, many uses. Start by reading through all the examples at Dictionary.com: http://dictionary.