| Active voice | The form of the verb showing that the subject is the doer of the action |
| Adjective clause | A dependent clause used to modify a noun or pronoun |
| Adverbial clause | A dependent clause that modifies a verb, adjective, or adverb |
| Antecedent | The substantive to which a pronoun refers |
| Antonyms | Pairs of words that have opposite meanings |
| Appositive | A noun or noun clause added to another noun or pronoun to further identify or explain it. The appositive signifies the same thing as the noun or pronoun it seeks to identify or explain. |
| Auxiliary verb | -Also known as the helping verb
-Helps another verb in forming voices, tenses, and other grammatical ideas
-Some examples: be, have, do, can, would, may, might, shall |
| Case | The forms that nouns or pronouns have, nominative, objective, and possessive, signifying their relationship to other words in a sentence. |
| Complex sentence | A sentence consisting of one independent clause, and one or more dependent clauses. |
| Compound sentence | A sentence consisting of two or more independent clauses. |
| Compound-complex sentence | A sentence consisting of two or more independent clauses and one or more dependent clauses. |
