Cautions Against the Use of Incorrect Language.
1. A verb must agree with its subject in number and person. 2. Use either or neither with reference to one of two objects. 3. Use any one or no one with reference to one of more than two objects. 4. Each, every, either, or neither requires a verb or a pronoun in the same connection to be in the singular number. 5. Two or more subjects taken together require a verb or a pronoun in the same connection to be in plural number. 6. Two or more subjects taken separately require a verb or a pronoun in the same connection to be in the singular number. 7. A pronoun must agree with its antecedent in person and number. 8. When subjects of different numbers are joined by or, the verb must agree with the one next to it. 9. These or those should not be used with the singular noun kind or sort. 10. Use plural nouns with adjectives denoting more than one. 11. Use a before words beginning with a consonant sound. 12. Use an before words beginning with a vowel sound.