NOUN, VERB, ADJECTIVE, ADVERB Nouns 1. The names of persons, places, things, feelings, or ideas. Nouns usually answer the questions who or what . 2. Nouns are often preceded by "noun markers," the words a, an, and the . The word answering "who or what" asked after a noun marker will be a noun. 3. Nouns usually form a plural by adding an s . If you are unsure if a word is a noun, try adding s to mean more than one. If it works, the word is probably a noun. 4. Word endings -ance, -ancy, -ence, -ice, -ion, -ity, -ment, -ness, and -ure usually form nouns. Verbs 1. Verbs are words which show action or doing . All sentences must have at least one verb. 2. A few verbs, called "linking verbs," express that someone or something exists or is a certain way. Memorize them: be, am, is, are, was, were, been, being....