Temporal Connectors in Greek

In Brief

Greek uses όταν “when,” ενώ “while,” πριν “before,” αφού “after,” μόλις “as soon as,” and μέχρι “until” to place one event in relation to another. For a useful beginner rule, pair ενώ with an action in progress, use πριν and αφού to show order, and remember that a future-time clause normally has no θα: Όταν έρθεις, θα φάμε (“When you come, we’ll eat”).

Overview

Temporal connectors join two clauses (groups of words containing a verb) and tell the listener how their events relate in time. They let you move beyond a list such as “He arrived. We ate.” and say Όταν ήρθε, φάγαμε: “When he arrived, we ate.” The clause introduced by the connector is the temporal clause; the other clause carries the main message.

This is an A2 topic, but it draws on a central feature of Greek verbs: aspect, the speaker’s way of presenting an action as ongoing/repeated or as a complete event. In a past narrative, the imperfect often gives the background and the aorist gives the event: Ενώ μαγείρευα, τηλεφώνησες (“While I was cooking, you called”). In future-time clauses, Greek also chooses between ongoing/repeated and single-event forms.

English translations are helpful, but they do not predict every Greek form. In particular, English says “when you come” rather than “when you will come,” and Greek behaves similarly: όταν έρθεις, not όταν θα έρθεις, in the ordinary future-time pattern. Learning each connector together with a whole sentence pattern is therefore more reliable than memorizing one-word equivalents.

How It Works

The six core connectors

Connector	Core meaning	Typical relationship	Basic pattern
όταν	when, whenever	one event occurs at the time of another	όταν + verb
ενώ	while	events overlap in time	ενώ + verb
πριν	before	the temporal-clause event is later	πριν (να) + verb
αφού	after, once	the temporal-clause event happens first	αφού + verb
μόλις	as soon as, just after	the second event follows immediately	μόλις + verb
μέχρι	until, up to	an action or state continues to a limit	μέχρι (να) + verb

The temporal clause may come first or second:

• Όταν ήρθε, φάγαμε. — “When he came, we ate.”
• Φάγαμε όταν ήρθε. — “We ate when he came.”

When it comes first, a comma makes the sentence easier to read. Greek can omit subject pronouns because the verb ending normally identifies the subject; in όταν ήρθε, context tells you whether the understood subject is “he” or “she.”

Όταν: “when” and “whenever”

Use όταν for a time at which something happens. The verb forms tell the listener whether you mean a past event, a repeated situation, or a future event.

Time and meaning	Greek pattern	Example	Meaning
Single completed past event	όταν + aorist	Όταν ήρθε, φάγαμε.	When he/she came, we ate.
Past state or repeated background	όταν + imperfect	Όταν ήμουν μικρός, έπαιζα έξω.	When I was little, I used to play outside.
Repeated present	όταν + present	Όταν βρέχει, μένω σπίτι.	When it rains, I stay home.
Single expected future event	όταν + perfective dependent form	Όταν έρθεις, θα φάμε.	When you come, we’ll eat.
Repeated or ongoing future situation	όταν + imperfective dependent form	Όταν έρχεσαι, θα τηλεφωνείς.	Whenever you come, you’ll call.

The perfective dependent form presents the event as one whole occurrence. It often looks like an aorist form without the past marker: ήρθες (“you came”) but έρθεις after όταν (“you come” at a future time). It is traditionally associated with the subjunctive, a verb pattern used for expected, desired, possible, or dependent events. You do not need to master the label at A2; notice the practical pair ήρθες / όταν έρθεις.

Do not put θα inside the ordinary future temporal clause. Put it in the main clause if needed:

• Όταν τελειώσω, θα σε πάρω τηλέφωνο. — “When I finish, I’ll call you.”

Ενώ: overlapping actions

Ενώ presents one situation as taking place while another is happening. In past storytelling, it very often introduces the longer background action in the imperfect:

• Ενώ μαγείρευα, τηλεφώνησες. — “While I was cooking, you called.”

Both actions can also be simultaneous and ongoing:

• Ενώ εγώ διάβαζα, η Άννα άκουγε μουσική. — “While I was studying, Anna was listening to music.”

Unlike όταν, ενώ stresses overlap. Compare:

• Όταν μπήκα, μιλούσαν. — I entered at the time when they were talking.
• Ενώ μιλούσαν, μπήκα. — Their talking was the background during which I entered.

Ενώ also means “whereas” or contrastive “while”; that use is discussed under Advanced Use.

Πριν: “before”

Πριν marks an event that has not happened yet relative to the other event:

• Πριν φύγεις, πάρε το κλειδί. — “Before you leave, take the key.”
• Έκλεισα τα παράθυρα πριν φύγω. — “I closed the windows before leaving.”

Before a dependent verb, modern Greek permits πριν φύγεις and πριν να φύγεις. The version without να is often the more compact everyday choice. Να is a small grammatical word used before dependent verb forms; it does not have one fixed English translation.

When πριν is followed by a noun rather than a clause, it combines with από:

• πριν από το μάθημα — “before the lesson”
• πριν από δύο μέρες — “two days ago,” literally “before two days”

Αφού: “after” or “once”

Αφού introduces the event that happens first. The main-clause event follows it:

• Αφού τελείωσε, έφυγε. — “After he/she finished, he/she left.”
• Θα βγούμε αφού φάμε. — “We’ll go out after we eat.”

For a future event, use the appropriate dependent form without θα inside the αφού clause: αφού φάμε, not normally αφού θα φάμε. English “after eating” can use an -ing form, but everyday Greek commonly uses a fully inflected verb and lets its ending show the person: αφού φάω (“after I eat”), αφού φας (“after you eat”), αφού φάμε (“after we eat”).

Do not confuse αφού with μετά. Μετά can stand alone as an adverb meaning “afterwards,” and μετά από goes before a noun: μετά από το μάθημα (“after the lesson”). Αφού normally introduces a clause with a verb.

Μόλις: “as soon as”

Μόλις signals that very little time separates two events:

• Μόλις έφτασα, άρχισε να βρέχει. — “As soon as I arrived, it started raining.”
• Μόλις φτάσεις, στείλε μου μήνυμα. — “As soon as you arrive, send me a message.”

Again, a future reference does not require θα in the temporal clause: μόλις φτάσεις. The main clause may contain a future form, an instruction, or another suitable form.

Μέχρι: “until” and a time limit

Use μέχρι for the endpoint of an action, state, distance, or period. Before a noun or time expression, it can stand alone:

• Θα δουλεύω μέχρι τις έξι. — “I’ll work until six.”
• Περπατήσαμε μέχρι την πλατεία. — “We walked as far as the square.”

Before a clause describing an event, μέχρι να is the normal pattern:

• Περίμενε μέχρι να έρθω. — “Wait until I come.”
• Μείναμε εκεί μέχρι να σταματήσει η βροχή. — “We stayed there until the rain stopped.”

The continuing action belongs in the main clause; the μέχρι να clause names its endpoint. Greek also uses ως/έως for “until,” especially in notices, schedules, and more formal writing.

Choosing aspect in a future-time clause

For a beginner, the most useful contrast is “one complete event” versus “an ongoing or repeated activity.”

Intended meaning	Perfective: one whole event	Imperfective: ongoing or repeated
when you write	όταν γράψεις	όταν γράφεις
after we eat / whenever we eat	αφού φάμε	αφού τρώμε

The connector does not choose aspect by itself. The meaning does. Όταν γράψεις το μήνυμα, στείλε το asks for one completed message; Όταν γράφεις, κλείνε την τηλεόραση describes what to do whenever you are writing.

Examples in Context

Greek	English	Note
Όταν ήρθε, φάγαμε.	When he/she came, we ate.	Two completed past events
Όταν ήμουν φοιτητής, δούλευα τα Σαββατοκύριακα.	When I was a student, I worked on weekends.	Past state and repeated action
Όταν φτάσεις στο ξενοδοχείο, τηλεφώνησέ μου.	When you reach the hotel, call me.	Future time; no θα after όταν
Ενώ μαγείρευα, τηλεφώνησες.	While I was cooking, you called.	Ongoing background plus completed event
Ενώ τα παιδιά κοιμούνται, εμείς καθαρίζουμε.	While the children are sleeping, we are cleaning.	Simultaneous present actions
Πριν φύγεις, πάρε το κλειδί.	Before you leave, take the key.	Instruction before a future action
Πριν από τη δουλειά, πίνω έναν καφέ.	Before work, I have a coffee.	πριν από before a noun
Αφού τελείωσε, έφυγε.	After he/she finished, he/she left.	The αφού event happens first
Θα μιλήσουμε αφού γυρίσεις.	We’ll talk after you return.	Future dependent form without θα
Μόλις άκουσε τα νέα, χαμογέλασε.	As soon as he/she heard the news, he/she smiled.	Immediate sequence in the past
Μόλις είμαι έτοιμος, θα σου πω.	As soon as I’m ready, I’ll tell you.	A future state with a present-form verb
Περίμενα μέχρι να ανοίξει το κατάστημα.	I waited until the shop opened.	μέχρι να introduces the endpoint
Η βιβλιοθήκη είναι ανοιχτή μέχρι τις οκτώ.	The library is open until eight.	μέχρι before a time expression

Common Mistakes

Adding θα after a future temporal connector

• Wrong: Όταν θα έρθεις, θα φάμε.
• Right: Όταν έρθεις, θα φάμε.
• Why: In the standard future-time pattern, όταν introduces a dependent form without θα. The future marker belongs in the main clause.

Using the aorist where the imperfect gives the background

• Wrong for the intended meaning: Ενώ μαγείρεψα, τηλεφώνησες.
• Right: Ενώ μαγείρευα, τηλεφώνησες.
• Why: “While I was cooking” presents an action already in progress, so the imperfect μαγείρευα is the natural background form. Μαγείρεψα presents cooking as a completed whole.

Translating “before/after the lesson” with a conjunction

• Wrong: αφού το μάθημα
• Right: μετά από το μάθημα
• Why: Αφού introduces a verb clause. Before a noun, use μετά από for “after” and πριν από for “before.”

Omitting να after μέχρι before a clause

• Wrong: Περίμενε μέχρι έρθω.
• Right: Περίμενε μέχρι να έρθω.
• Why: A clause naming the endpoint normally follows μέχρι να. By contrast, no να is needed before a noun or clock time: μέχρι τις έξι.

Treating ενώ as a general word for “when”

• Wrong for a simple sequence: Ενώ έφτασα, έφυγε.
• Better: Όταν έφτασα, έφυγε.
• Why: Ενώ normally highlights overlap (or contrast). For “at the time when” without an overlap contrast, όταν is safer.

Usage Notes

In conversation, these connectors are common in both clause orders. Putting the temporal clause first sets the scene; putting it second often delivers the main event immediately: Έφυγε μόλις τελείωσε (“He left as soon as he finished”). Intonation separates a fronted temporal clause in speech, while writing usually marks the boundary with a comma.

Μέχρι is the usual everyday choice for “until.” Ως and έως often appear in opening hours, deadlines, signs, and formal text: Δευτέρα έως Παρασκευή (“Monday to Friday”). You may also hear μέχρι που before an indicative clause in narratives, especially when an event finally interrupts a continuing situation: Περιμέναμε, μέχρι που ήρθε (“We waited until he finally came”). For production at A2, μέχρι να is the dependable clause pattern.

With πριν, both πριν φύγω and πριν να φύγω occur. Do not assume that the optional να changes “before” into a different connector. Usage varies with sentence rhythm and speaker preference; the shorter pattern is very frequent.

Beyond the Basics / Advanced Use

You do not need to produce all of these uses at A2, but you will meet them in natural Greek.

First, ενώ can mark contrast rather than literal simultaneity. In Εγώ προτιμώ το τρένο, ενώ εκείνος προτιμά το αυτοκίνητο, it means “I prefer the train, whereas he prefers the car.” Context decides whether the relationship is temporal, contrastive, or both.

Second, αφού can move from time to reason. Because an earlier fact can provide the reason for a later conclusion, Αφού είσαι κουρασμένος, πήγαινε για ύπνο means “Since you’re tired, go to bed,” not “After you are tired.” A practical test is to ask whether “since/given that” makes better sense than “after.”

Third, μόλις has another common meaning: “only/just.” Έχω μόλις δέκα ευρώ means “I have only ten euros,” while Μόλις έφτασα can mean “I just arrived.” In a two-clause sequence such as Μόλις έφτασα, σε είδα, the temporal meaning “as soon as” is clear from the structure.

Finally, the rule against θα in temporal clauses is a strong learner rule, not a claim that the sequence can never occur. In advanced discourse, όταν θα... may appear when a speaker treats a future period or situation as a topic, especially with an ongoing future meaning. Standard everyday predictions and instructions should still use όταν + dependent form: όταν έρθεις, όταν τελειώσουμε. Master that pattern before studying marked exceptions.

Practice Tips

1. Build six two-part sentences from one daily routine. For example, start with Πριν φύγω..., Όταν φτάσω..., and Μόλις γυρίσω.... Change the person so that you practise the verb endings, not just the connectors.
2. Retell a short past event using an imperfect background and an aorist interruption: Ενώ ___, ___. Then replace ενώ with όταν and notice how the focus changes.
3. Make paired cards for nouns and clauses: πριν από το μάθημα / πριν αρχίσει το μάθημα, μέχρι τις έξι / μέχρι να τελειώσω. This trains the small words από and να where English gives you little help.

Related Concepts

• Prerequisite: Imperfect Tense (Παρατατικός) — provides the ongoing and habitual past forms often used with ενώ and όταν.