| Term | Definition |
| verbs | a word or group of words used to express action or a state of being (the boy JUMPS) |
| noun | a person, place, or thing (the CAT sat on a MAT) |
| adjectives | words that describe a noun (the FURRY dog) |
| prepositions | at, on, in, to, of, for, etc. (the card FOR jane was IN the envelope) |
| adverbs | words describing a verb (the boy ran QUICKLY) |
| action verbs | verbs that tell about an activity, something that we do or that happens around us (I SLEPT until noon) |
| linking verbs | verbs that link the subject with later information (the policeman IS my father) |
| principle parts of a verb | infinitive, past, past participle, and present participle |
| infinitive | the form we use to find a verb in the dictionary (to RISE vs. he rose) |
| imperative | an infinitive form of a verb used to give commands (TAKE me out to the ball game) |
| past for a regular verb | -ed ending on the end of a word (we talk, we TALKED) |
| past for irregular verb | the past form of a verb that does not end in -ed |
| present tense | adding -s or -es to the infinitive when the subject is he, she, or it (i talk, you talk, he/she/ it TALKS) |
| past participle | have, has, or had added before the past form of a verb (janice HAD GONE without her) |
| present participle | adding an -ing ending to the end of the infinitive |