If you know the rules for forming the possessive of nouns, it can be a simple task. For a singular noun, the rule is to add an apostrophe and a to show possession. This can avoid writing clumsy or awkward sentences. For example, by using this rule, I took the car of my husband, is better expressed as I took my husband's car. To use the possessive form when a plural noun ends in an s, you simply
. add the apostrophe (ex. houses chimneys). For some other tips on using the rules for forming possessives, check out this website: http://owl.english.purdue.edu/owl/resource/621/01/