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The Perfect System

You have learned four tenses of Greek verbs: the present, future, imperfect, and aorist. These lessons present the final tenses, those of the PERFECT SYSTEM.

The tenses of the PERFECT SYSTEM refer to completed action. These tenses differ from the other tenses in ASPECT. If the aspect of a verb is COMPLETED (often with a sense of just now completed), then in Greek it is expressed by a verb of the PERFECT SYSTEM.

To review, ASPECT is a grammatical term that expresses the relationship between the ACTION of a verb and the PASSAGE OF TIME. In other words, aspect describes whether the action, regardless of its tense, was:

• SIMPLE. This is a simple action, or an action not marked as continuing, simple, or completed.
  • Greek marks this aspect by using the VERB STEM (e.g., the aorist tense)
• ONGOING. This is an action that took place over an extent of time, was habitual, or was more than a single action in some way.
  • Greek expresses this aspect by using the PRESENT STEM (e.g., the present and imperfect tense)
• COMPLETED. This is a completed action that has lasting results. This aspect often reflects a state resulting from past action. For example, if someone has just died, then he is dead. In fact, it is the resulting state that is often the emphasis of this aspect, not the action of the verb itself. I have made you a drink, i.e., your drink is ready.
  • Greek marks this aspect by using the PERFECT STEM (e.g. the perfect and pluperfect tenses)

To see how Greek past tenses differ in aspect, note the following:

• Aorist: I walked
  • snapshot of a past action (simple aspect)
  • the speaker travelled from point A to B
• Imperfect: I was walking/ used to walk
  • video of past action (ongoing aspect)
  • the speaker was traveling from point A to B
• Perfect: I have just walked
  • action is completely done, with results still felt in the present (completed aspect)
  • the speaker has just now arrived at point B (a resulting state)

Formation: Perfect Active

Greek tenses of the PERFECT SYSTEM add the following distinctive markers to the verb stem:

• The initial sound of the VERB STEM is doubled. This addition, called REDUPLICATION, creates a PERFECT SYSTEM verb stem (S 439).
• To mark the ACTIVE voice, verbs add the suffix –κ– to the perfect system stem. When adding –κ– to the verb stem is too difficult to pronounce, the –κ– merges or drops out.

Reduplication

You may recall that in the present tense, some verbs reduplicated their initial consonant sound, adding an –ι– for ease of pronunciation. For example:

• δω– → διδω– (present stem)

The PERFECT SYSTEM also reduplicates, adding an –ε– for ease of pronunciation (S 340). For example:

• λυ → λελυ– (perfect stem)
• δεικ → δεδεικ– (perfect stem)
• γραφ → γεγραφ– (perfect stem)
• δω → δεδω– (perfect stem)

However, if the Greek verb stem starts with a vowel, an AUGMENT is added. Just as we saw with IMPERFECT verbs, the augment LENGTHENS a short vowel (S 442).

• ἀρχ →  ἠρχ– (perfect stem)
• ἐθελη → ἠθελη– (perfect stem)

Recall that as a general rule, Greek does not allow ASPIRATED CONSONANTS to begin consecutive syllables (S 441).

• θη→ τεθη– (perfect stem)

Recall also that Greeks regularly drop an initial σ– if it comes right before a vowel (S 119). When this happens, the vowel marks this loss by receiving a rough breathing mark.

• στη → σεστη → ἑστη– (perfect stem)

–κ– Marker

In the ACTIVE voice, the marker –κ– is added to the PERFECT SYSTEM STEM. If the stem ends in a DENTAL (τ, δ, θ), the dental drops (S 556-560).

• λυ → λελυ– (perfect stem)
  • + –κ– → λελυκ– (perfect active stem)
• στη → ἑστη– (perfect stem)
  • + –κ– → ἑστηκ– (perfect active stem)
• δω → δεδω– (perfect stem)
  • + –κ– → δεδωκ– (perfect active stem)
• θη→ τεθη– (perfect stem)
  • + –κ– → τεθηκ– (perfect active stem)
• ποιε → πεποιη– (perfect stem)
  • + –κ– → πεποιηκ– (perfect active stem)
• δηλο → δεδηλω– (perfect stem)
  • + –κ– → δεδηλωκ– (perfect active stem)
• πειθ → πεπειθ– (perfect stem)
  • + –κ– → πεπεικ– (perfect active stem)
• ἀγγελ → ἠγγελ– (perfect stem)
  • + –κ– → ἠγγελκ– (perfect active stem)

If the –κ– marker is added to a PERFECT TENSE STEM that ends in a LABIAL (π, β, φ), PALATAL (κ, γ, χ), or most stems ending in a LIQUID (λ, ρ), the –κ– merges or, more often, simply drops out to ease pronunciation (S 561-573).

• δεικ → δεδεικ– (perfect stem)
  • + –κ– → δεδεικκ → δεδειχ– (perfect active stem)
• γραφ → γεγραφ– (perfect stem)
  • + –κ– → γεγραφ– (perfect active stem)
• ἀρχ → ἠρχ– (perfect stem)
  • + –κ– → ἠρχ– (perfect active stem)

Personal Endings: Active

The Perfect Tense is a PRIMARY TENSE, and uses a variation of the ATHEMATIC primary endings with which you are already familiar.

The Perfect, Indicative, Active of λύω (S 385; GPH p. 90)

The Perfect, Indicative, Active of δείκνυμι

Formation: Perfect Middle

The  marker –κ– indicates a PERFECT ACTIVE. To form the PERFECT MIDDLE, simply add the PRIMARY MIDDLE ENDINGS directly to the perfect tense stem. Later we discuss what happens when these middle endings are added to consonant stem verbs. For now, note how regular the PERFECT MIDDLE formation is with perfect tense stems that end in a vowel.

The Perfect, Indicative, Middle of λύω (GPH p. 90)

Infinitives

To form the INFINITIVE mood, the PERFECT TENSE uses the same endings as –μι verbs, though in the active an –ε– is added before the infinitive ending. The persistent accent is on the PENULT.

• –έναι = active
  • λελυκέναι
• –σθαι = middle
  • λελύσθαι

Principal Parts

Advanced vocabulary lists and lexica give six PRINCIPAL PARTS for Greek verbs. We have already encountered the FIRST THREE principal parts: PRESENT, FUTURE, and AORIST. Mastering these first three principal parts is sufficient for most reading purposes at the beginning and intermediate levels.

The FOURTH PRINCIPAL PART is the PERFECT ACTIVE.

The FIFTH PRINCIPAL PART is the PERFECT MIDDLE.

The SIXTH PRINCIPAL PART we have already met: the AORIST PASSIVE.

These principal parts are given because these tense and voice stems can exhibit minor, but complex, variations (S 369-370; GPH pp. 231-240). Be aware, too, that many verbs never occur (or are extremely rare) in perfect tenses, and so do not even have a fourth or fifth principal part. If you understand the principles of building perfect stems, however, you should be able to recognize them when they appear.

– τὸ τέλος –