Learn Hardcore Greek: Όταν φτάνω αργά, φεύγω χωρίς καφέ. - When I arrive late, I leave without coffee.

It’s the habitual (generic) present: a general rule that happens repeatedly. So Όταν φτάνω αργά, φεύγω χωρίς καφέ = “Whenever I arrive late, I leave without coffee.” It doesn’t describe a single event but a repeated pattern.

Could I use φτάσω instead of φτάνω?

Use όταν + subjunctive (φτάσω) for a single or future event: Όταν φτάσω αργά, θα φύγω χωρίς καφέ (“When I arrive late, I’ll leave without coffee”). For habits, keep the present: Όταν φτάνω… Using όταν φτάσω with a present main verb would sound odd here.

Should I ever say Όταν θα φτάσω…?

No. After όταν, Greek does not use the future tense. Use όταν + subjunctive for future time: Όταν φτάσω…, θα….

What’s the difference between όταν, όποτε, αν, and άμα here?

όταν = when (time reference). With the present, it can mean “whenever” for habits.
όποτε = whenever (more explicitly indefinite/general): Όποτε φτάνω αργά, φεύγω….
αν = if (condition), not time. You’d say: Αν αργήσω, φεύγω/θα φύγω….
άμα = colloquial “when/if”, used in speech like όταν/αν.

Does αργά mean “late” or “slowly” here?

Here it means “late (in time).” Φτάνω αργά = “I arrive late.” Note:

αργά can also mean “slowly” in other contexts (e.g., “Πήγαινε πιο αργά” = “Go slower”).
The verb αργώ means “to be late”: Όταν αργώ, … = “When I’m late, …”.

Can I say Όταν αργώ, φεύγω χωρίς καφέ instead?

Yes. That means “When I’m late, I leave without coffee.” It’s a bit more direct about your being late; φτάνω αργά focuses on the moment of arrival being late. Both are natural.

Is the comma necessary? Can I change the word order?

With the dependent clause first, add a comma: Όταν φτάνω αργά, φεύγω…
If you put it second, no comma is needed: Φεύγω χωρίς καφέ όταν φτάνω αργά.
Keep αργά after the verb: φτάνω αργά sounds natural; Όταν αργά φτάνω is unnatural.

Why is there no article in χωρίς καφέ? When would I use one?

No article = “without (any) coffee” in a general/indefinite sense. Use an article to refer to a specific coffee: χωρίς τον καφέ μου (“without my coffee”) or χωρίς τον καφέ (“without the coffee [we mentioned]”).

Why is it καφέ and not καφές? What case is used after χωρίς?

Χωρίς takes the accusative. The noun is masculine:

ο καφές (nom.)
του καφέ (gen.)
τον καφέ (acc.)
καφέ (voc.) So here it’s the accusative (τον) καφέ; the article is omitted because it’s indefinite.

Can I say χωρίς να πιω καφέ instead of χωρίς καφέ? Do they mean the same?

Both are fine, with a nuance:

χωρίς καφέ = without (any) coffee (focus on the thing).
χωρίς να πιω καφέ = without drinking coffee (focus on the action). You can also hear χωρίς να πάρω καφέ (“without getting/grabbing a coffee”).

How do I pronounce φεύγω and what’s going on with ευ?

φεύγω is pronounced roughly “FEV-go.” The digraph ευ sounds like “ev” before a voiced consonant (here γ), and like “ef” before a voiceless one.
φτάνω is “FTA-no” (initial φτ is a cluster).
χωρίς is “ho-REES,” with a harsh “h” like German “Bach” for χ.

What’s the difference between φτάνω and φθάνω?

They mean the same (“arrive”). φτάνω is the standard modern form; φθάνω is an older/spelling variant, more formal/rare in speech. Use φτάνω in everyday Greek.

Could I use πηγαίνω instead of φεύγω?

No. φεύγω = “I leave (depart).” πηγαίνω = “I go.” In your sentence, you’re talking about leaving, so φεύγω is the right verb.

Can I front the phrase for emphasis, e.g., Χωρίς καφέ, φεύγω?

Yes. Fronting Χωρίς καφέ adds emphasis to “without coffee”: Χωρίς καφέ, φεύγω όταν φτάνω αργά. Neutral word order is still more common.

Do I need to say εγώ?

No. Greek is pro‑drop: the verb ending shows the subject, so φεύγω already means “I leave.” You’d add εγώ only for emphasis or contrast.

Could καφέ here mean a café (the place)?

Context says it’s the drink. The place “café” is also καφέ (indeclinable neuter: το καφέ), but “leave without a café” doesn’t make sense; for the venue, Greeks usually say καφετέρια.