BBG Chapter 15 — Introduction to Verbs

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Notebooks

Notebook	What it shows
GNT Verb Morphology	Tense/voice/mood profiles, tense × voice crosstab, top lemmas, genre comparison
Hebrew & Greek Verb Stem Overview	Comparative stem statistics; Greek tense×voice heatmap

Basics of Biblical Greek Grammar, Mounce, 4th Edition

1. Overview of the Greek Verbal System

Greek verbs encode five categories simultaneously in a single word form:

Category	Options	What it expresses
Tense (= Aspect + Time)	Present, Future, Imperfect, Aorist, Perfect, Pluperfect	Type of action + temporal reference
Voice	Active, Middle, Passive	Relationship of subject to the action
Mood	Indicative, Subjunctive, Optative, Imperative, Infinitive, Participle	The mode/reality of the verbal action
Person	1st, 2nd, 3rd	Who is performing the action
Number	Singular, Plural	How many perform the action

A fully parsed Greek verb specifies all five: e.g., λύεις = Present Active Indicative 2nd Person Singular ("you are loosing").

2. Verbal Aspect — The Heart of Greek Tense

Greek tense is primarily about verbal aspect (the speaker's perspective on the action), not simply about time. Time is a secondary overlay, especially in the indicative mood.

Aspect	Description	Associated tenses
Imperfective	Action viewed as ongoing, in progress, repeated, or continuous	Present, Imperfect
Perfective	Action viewed as a completed whole, a single point event	Aorist
Combinative	Completed action with present, ongoing consequences	Perfect, Pluperfect

Note: Outside the indicative mood, Greek tense communicates only aspect, not time. The present subjunctive is not "present time" — it is simply "imperfective aspect."

3. Voice

Voice	Meaning	Notes
Active	Subject performs the action	Most common voice
Middle	Subject acts for their own benefit or on themselves	See Ch18
Passive	Subject receives the action	Often identical to middle in present/imperfect

4. Mood

Mood	Function	Notes
Indicative	States reality (assertions, questions)	The most common mood
Subjunctive	Expresses possibility, purpose, condition	"May, might, should"
Optative	Expresses wish or remote possibility	Rare in NT; μὴ γένοιτο ("may it never be!")
Imperative	Commands or requests	2nd/3rd person commands
Infinitive	Verbal noun	"to loose"
Participle	Verbal adjective	"loosing, having loosed"

5. The Six Tense Stems

Every Greek verb is built on up to six tense stems. You must memorize the tense stem for each verb, as they are not always predictable from the present stem. Mounce calls these the principal parts.

#	Tense	Example (λύω)	Formed from
1	Present (active/middle/passive)	λύ-	Present stem
2	Future active/middle	λύσ-	Present stem + σ
3	Aorist active/middle	ἔλυσ-	Augment + present + σ
4	Perfect active	λέλυκ-	Reduplication + present + κ
5	Perfect middle/passive	λέλυ-	Reduplication + present
6	Aorist passive	ἐλύθ-	Augment + present + θ

Note: For Ch15–18 you only need the present stem. The other stems will be introduced later. Master the present before moving forward.

6. Personal Endings Overview

Greek verbs use personal endings attached to the tense stem (plus a connecting vowel) to mark person and number. There are four sets:

Set	Used with	When
Primary Active	Active voice	Present, Future, Perfect indicative
Secondary Active	Active voice	Imperfect, Aorist indicative
Primary Middle/Passive	Middle and Passive	Present, Future, Perfect indicative
Secondary Middle/Passive	Middle and Passive	Imperfect, Aorist indicative

Primary Active Endings

Person	Singular	Plural
1st	-ω	-ομεν
2nd	-εις	-ετε
3rd	-ει	-ουσι(ν)

These are the endings you will learn in Ch16. The ω in 1st sg. is the connecting vowel + ending contracted together.

Primary Middle/Passive Endings

Person	Singular	Plural
1st	-ομαι	-ομεθα
2nd	-ῃ / -ει	-εσθε
3rd	-εται	-ονται

These are the endings you will learn in Ch18.

7. The Connecting Vowel (Thematic Vowel)

Between the tense stem and the personal ending stands the connecting vowel (also called the thematic vowel): ο or ε.

Rule: The connecting vowel is ο before μ or ν; it is ε everywhere else.

Context	Vowel	Example
Before μ (1pl)	ο	λύ + ο + μεν = λύομεν
Before ν (3pl)	ο	λύ + ο + νσι → λύουσι
Elsewhere	ε	λύ + ε + τε = λύετε

8. The Lexical Form

The lexical form of a Greek verb is the 1st person singular present active indicative. This is the form listed in dictionaries and vocabularies.

λύω = "I loose" → listed as λύω in the lexicon

When you encounter a verb in any form, you must be able to identify its lexical form (principal part 1) to look it up.

9. How to Parse a Greek Verb — 6 Elements

When asked to parse a Greek verb, give these six elements:

Tense — (Present, Future, Aorist, etc.)
Voice — (Active, Middle, Passive)
Mood — (Indicative, Subjunctive, Imperative, etc.)
Person — (1st, 2nd, 3rd)
Number — (Singular, Plural)
Lexical form — (the dictionary form: 1sg pres. act. ind.)

Example: λύετε → Present Active Indicative 2nd Person Plural λύω = "you (pl.) are loosing"

10. Verbal Categories — Summary

Category	Ch15 Coverage	Where introduced fully
Present Active Indicative	Overview	Ch16
Contract verbs	Preview	Ch17
Present Middle/Passive	Preview	Ch18
Imperfect Active	Preview	Ch21
Future Active/Middle	Preview	Ch22–23
Aorist Active/Middle	Preview	Ch22–24