Imperfective Imperative

The perfective command presents an instruction as a bounded unit (Γράψε το). Its twin, the imperfective imperative, says something English cannot say in one word: keep doing it, do it repeatedly, make it your habit, behave this way as a rule. It is built on the present stem — the imperfective stem — and it is the form behind most standing advice and every "carry on" instruction. The contrast is viewpoint, not a mechanical count of real-world actions: a finite series can be packaged as bounded, while even one stretch of waiting can be viewed from inside.

Formation: present stem + -ε (1st conj.) / -α (2nd conj.)

For first-conjugation verbs (in -ω), take the present stem and add -ε for the singular; the plural is simply the present-tense -ετε form.

† περιμένω is a one-stem exception: it has no separate perfective stem, so περίμενε / περιμένετε serve command readings of either viewpoint. It appears here because its command has the present-stem shape, not because it forms an aspect pair; see περιμένω.

For second-conjugation verbs (in -άω / -ώ) the singular ends in unstressed -α, with the stress on the stem, while the plural has stressed -άτε:

What the imperfective actually means

Choose the imperfective imperative when you present the action from inside, without drawing a boundary around it. Common contexts include:

• A standing warning — "always be careful": Πρόσεχε!
• A habit or rule — "study a bit every day": Διάβαζε λίγο κάθε μέρα.
• A "carry on / keep going" — "keep talking, I'm listening": Μίλα, σε ακούω.
• An internally viewed stretch — "wait here": Περίμενε. With this particular one-stem verb, context supplies the viewpoint.

Two frequent vowel-stem forms are worth learning whole: λέω → λέγε / λέτε and τρώω → τρώγε / τρώτε.

The minimal pairs: same verb, two aspects

Because the two aspects are both fully grammatical, the difference is one of viewpoint. Read each pair aloud and feel the shift from a bounded instruction to a standing rule:

The full decision logic — including the tricky cases where either aspect is possible with a subtle difference — lives on Aspect in the Imperative. The one-shot form itself is drilled on Perfective Imperative.

Why English speakers under-use this form

English collapses both meanings into the bare verb: "Write your name" covers both "once, now" and "always, as a rule." Because your native language never forced the distinction, the imperfective imperative feels optional — and learners default to the perfective for everything. Resist that. A Greek parent telling a child a life-rule (Να τρως φρούτα, Διάβαζε, Πρόσεχε) reaches instinctively for the imperfective, and using the perfective there sounds like a one-time order rather than guidance. Training your ear on habitual and warning contexts is the fastest way to make this form automatic.

The gentler everyday alternative: να + imperfective

There is one more thing worth knowing, because it is what Greeks actually say most of the time. For standing advice — the caring, repeated instruction a parent gives — native speakers very often reach for να + the imperfective instead of the bare imperfective imperative. Να προσέχεις is softer and warmer than the more direct Πρόσεχε; Να τρως φρούτα sounds like loving guidance. Both are grammatical and both carry the same imperfective (habitual) aspect — the να-version simply feels less like a command and more like advice.

This softened form belongs to the subjunctive family and has its own page, Standalone να: Wishes and Softened Commands; the point here is that it is the imperfective's natural partner for life-advice, so do not be surprised to hear Να διαβάζεις far more often than a bare Διάβαζε.

Common Mistakes

1. Treating one real-world occasion as automatically perfective. The speaker can look inside one unfolding action or present a result as bounded.

2. Giving a 2nd-conjugation verb the 1st-conjugation -ε ending. Verbs like κοιτάω and μιλάω take stem-stressed -α in the singular, not -ε.

3. Letting a frequency phrase choose the aspect by itself. An open habit favors the imperfective, but a delimited series can be packaged as bounded.

4. Confusing a bounded invitation to speak with “keep talking.” The context, not the verb alone, determines the viewpoint.

Key Takeaways

• The imperfective imperative presents an action from inside or without an endpoint: keep doing it, do it habitually, or follow it as a general rule.
• Formation: present stem
  • -ε (1st conj.)
  — γράφε, πρόσεχε;
  • stem-stressed -α (2nd conj.)
  — μίλα, κοίτα. The plural is the present -ετε / -άτε form.
• Reach for it on standing warnings, habits, life-advice, and "carry on" commands; the perfective packages an instruction, including a finite series, as bounded.
• Πάντα / κάθε μέρα are useful cues for an open habit, not automatic aspect switches.
• English marks neither aspect, so this is the form learners most often forget — train it on habitual and warning contexts.