... Some proper nouns are often abbreviated These include names of days of the week, months of the year and titles of people Begin the abbreviation of proper nouns a capital letter Underline each common ... Some proper nouns are often abbreviated These include names of days of the week, months of the year and titles of people Begin the abbreviation of proper nouns a capital letter Underline each common ... • • • • • • A common noun is a word that names a person, place, thing or idea A common noun names any person, place, thing or idea Begin a common noun with a lowercase letter A proper noun names...