Key Terms
Regular Plurals
Add -s or -es. Most words follow this pattern.
Exception
Two f's or f is still pronounced = add -s. Cliff = cliffs.
Irregular Plurals
No consistent pattern; memorize them.
No-change (base) plurals
Singular and plural are identical.
Count noun
Can be numbered and pluralized.
Non-count (mass) noun
Cannot be numbered or pluralized.
Personal
He, she, they, I, we, you, it.
Reflexive
Myself, yourself, himself, herself, itself, ourselves, themselves.
Possessive
My, mine, your, yours, his, her, hers, its, our, ours, their, theirs.
Demonstrative
This, that, these, those.
Indefinite
Anyone, everyone, nobody, each, either, neither, something, etc.
Relative
Who, whom, whose, that, which.
Subject case
Pronoun is doing the action.
Object case
Something is being done to the pronoun.
Ambiguous
Jason thanked Gautam after he helped him move. (Who is "he"?