Congratulations and Wishes

Wishing someone well — a merry Christmas, a happy birthday, good luck on an exam — looks like a memorised phrasebook chore, but underneath it sits one clean grammatical engine that you can reuse forever. The full sentence is přát + dative of the person + accusative of the wished-thing: Přeji ti hezký den ("I wish you a nice day"). Every frozen greeting you'll ever shout — Veselé Vánoce!, Dobrou noc! — is just that sentence with the verb and the you deleted, which is why those greetings are quietly in the accusative. Learn the machine and the formulas stop being a list to cram and become a pattern you generate.

The core pattern: přát + dative + accusative

The verb přát means "to wish (someone something)." It runs two slots at once:

• who gets the wish → the dative (ti, vám, mu, jí…)
• what you wish them → the accusative (the direct object)

So Přeji ti hezký den breaks down as přeji ("I wish") + ti ("to you," dative) + hezký den ("a nice day," accusative). English hides this with word order ("I wish you a nice day"); Czech marks it with case endings, and both endings are obligatory.

The verb itself is irregular enough to memorise. Note the two acceptable 1st-person and 3rd-person-plural forms — the -i/-í forms are neutral-to-formal, the -u/-ou forms colloquial but extremely common in speech.

The dative recipient uses the short clitic pronouns, dropped into second position:

The dative slot is the same one used for any recipient in Czech — see the dative as the indirect object. The accusative slot is the ordinary direct-object accusative covered on the accusative of the direct object.

Why frozen greetings are secretly accusative

Here is the insight that makes the whole topic click. When a Czech bellows Veselé Vánoce! across the room, nobody pronounces the verb — but grammatically the phrase is the object of an implied Přeji ti… ("I wish you…"). That's why it sits in the accusative, not the nominative. The greeting is a sentence with its head chopped off.

You can usually see the accusative because feminine nouns and their adjectives change shape. Compare:

You would never greet someone with Dobrá noc (nominative) — it has to be Dobrou noc, exactly because the unspoken frame is "I wish you a good night," and "a good night" is the object. The masculine and neuter greetings hide the case (their accusative looks identical to the dictionary form), but the logic is the same:

One exception inside the pattern: Hodně štěstí!

Hodně štěstí! ("Good luck!", literally "much luck") looks like the others but hides a different mechanism. Hodně ("a lot of") is a quantity word, and quantity words take the genitive, not the accusative. So štěstí here is genitive, and the same goes for zdraví ("health") in the classic toast:

The wished-thing as a whole (hodně štěstí) is still the accusative object of the implied přeji ti — it's only inside the phrase that hodně forces the genitive on štěstí. You don't need to dissect this every time; just know that štěstí and zdraví ride along after hodně unchanged because their genitive happens to look the same.

Congratulating: blahopřát and gratulovat take a different frame

To congratulate someone, Czech does not use the accusative-wish pattern at all. The verbs blahopřát (more formal, native) and gratulovat (everyday, borrowed) take the dative of the person plus k + dative of the occasion:

blahopřát / gratulovat + komu (dative person) + k + čemu (dative occasion)

So the wished-thing differs grammatically from the congratulated-occasion: you wish someone something (accusative), but you congratulate someone on something (k + dative). Mixing these up is the single most common congratulation error.

Birthdays and name days — and why name days matter

Two occasions dominate everyday well-wishing, and both attach with k + dative.

For a birthday (narozeniny, a feminine plural-only noun), the dative is narozeninám:

The second, which trips up English speakers because they have no equivalent custom, is the name day (svátek / jmeniny). The Czech calendar assigns a first name to almost every day of the year — there is a Petr day, a Marie day — and on "your" day people congratulate you almost as they would on a birthday. The dative of svátek is svátku (vocalised to ke svátku before the cluster):

If you ignore name days you'll seem oddly cold to Czech friends; this is a place where the grammar is easy but the cultural reflex is the real lesson. More on how such customs live inside the language is on culture in the language, and the broader stock of exclamatory good wishes is collected on exclamatory wishes and greetings.

Common Mistakes

Key Takeaways

• The engine of well-wishing is přát + dative person + accusative thing: Přeji ti hezký den.
• Standalone greetings (Veselé Vánoce!, Dobrou noc!) are the accusative tail of a deleted Přeji ti… — that's why it's Dobrou noc, not Dobrá noc.
• Hodně štěstí! is special: hodně is a quantity word, so it governs the genitive štěstí.
• To congratulate, switch frames entirely: blahopřát / gratulovat
  • dative person
    • k + dative occasion (Blahopřeji ti ke svatbě).
• Birthdays (k narozeninám) and culturally crucial name days (ke svátku) both attach with k
  • dative.