mielőtt / miután

Hungarian distinguishes between time markers for nouns and time markers for clauses:

• Postpositions: előtt and után follow nouns (e.g., ebéd után - after lunch).
• Conjunctions: Mielőtt and miután introduce a clause with a verb (e.g., miután ettünk - after we ate).

1. Punctuation and Correlatives: A comma is mandatory between the two clauses. For emphasis, the main clause often includes a 'pointing word': azelőtt (before that) pairs with mielőtt, and azután (after that) pairs with miután. When these correlatives are placed in the focus position of the main clause, they cause the main verb's prefix to split and move behind the verb (e.g., Azután mentem el, miután ettünk - I left after we ate).

2. Tense and Aspect with 'Miután': Because Hungarian lacks a 'past perfect' tense, miután relies on the past tense and verbal prefixes to indicate completion for past events. However, for future events, Hungarian commonly uses the present tense with a perfective prefix to express future completion (e.g., Miután hazaérek, elteszem a kulcsot - After I get home, I will put the key away). For general or habitual actions, the present tense is used in both clauses (e.g., Miután felkel, kávét iszik - After he wakes up, he drinks coffee).

3. Mood Choice with 'Mielőtt':

• Indicative or Conditional: Unlike English, 'mielőtt' typically takes the standard indicative (e.g., Mielőtt elmész - Before you leave) or the conditional mood (e.g., Mielőtt elmennél - Before you would leave).
• Past Events: When describing factual past events, using the past conditional (volna) is a common, idiomatic way to express this relationship in narrative Hungarian (e.g., Mielőtt elment volna... - Before he went...). However, the simple past indicative is also perfectly acceptable and frequently used in everyday spoken Hungarian (e.g., Mielőtt elment...).

4. Important Rules for Clauses: Unlike English, which often uses gerunds or infinitives (e.g., 'Before leaving' or 'After eating'), Hungarian mielőtt and miután must always introduce a clause with a fully conjugated finite verb. You cannot use a standalone infinitive to replace the conjugated verb, though an infinitive is allowed if it accompanies a conjugated modal or auxiliary verb (e.g., Mielőtt el kell mennem - Before I have to leave). Additionally, English gerunds are very frequently translated using a verbal noun combined with a postposition instead of a full clause (e.g., indulás előtt - before departure/leaving). Finally, in these subordinate clauses, the verbal prefix typically remains attached to the front of the verb.