| A | B | 
|---|
| tense | time of verb's action or existence; Latin has 6 tenses | 
| present tense | happens now; use present stem; ex.:  talks, is talking, and does talk | 
| imperfect tense | started in the past but is still continuing to present; not yet perfect or completed; use present stem; ex.: was doing, were doing | 
| future tense | happens after the present; use present stem; ex.:  will talk,  being about to talk | 
| perfect tense | completed action/ state of being in the past; use perfect stem; ex.: I have walked, did walk , walked | 
| pluperfect tense | completed in the past before another past action, more perfect; use perfect stem; ex.: I had walked | 
| future perfect tense | an action or state of being completed in the future before another future action: he will have walked | 
| mood | the way a verb is used in sentence:  indicative, imperative, subjunctive | 
| indicative mood | a verb used to express something as a fact: declarative or simple interrogative | 
| imperative mood | a verb used expressing a direct command | 
| subjunctive mood | a verb used expressing a wish, condition, or something contrary to real facts | 
| voice | indicates whether the subject does or receives the action of the verb | 
| active voice | the subject of the sentence performs the action | 
| passive voice | the subject receives the action of the verb | 
| number | indicates whether the subject is singular or plural | 
| person | point of view of verb: 1st, 2nd, or 3rd | 
| 1st person | subject of verb is I or we | 
| 2nd person | subject of verb is you (sing.) and you (plural) | 
| 3rd person | subject of verb is he, she, it, they or anything other than I, we, and you (sing and plural) | 
| particple | verbal adjective that modifies a noun or pronoun, and it can have an object of the action it expressed:  the running boy, the skiing girl, the fallen snow, the captured Romans | 
| gerund | a verbal noun that always acts like a noun, but can have objects of the action expressed:  Running is a sport, skiing is another sport.  I learned by reading the book.  Taking notes is important | 
| infintive | another verbal noun, can have an object of its action, often completes the main verb;expressed as:  to + verb,  to run, to have run, to talk, to be about to talk |