ha + Conditional

When expressing a hypothetical situation in Hungarian, the structure differs from English. In spoken Hungarian, you will also frequently hear hogyha used interchangeably with ha to mean 'if'. Additionally, it is very common to use the correlative pair Ha..., akkor... (If..., then...) to introduce the main clause (e.g., Ha esne az eső, akkor otthon maradnék.).

1. Present/Future Unreal Conditions
To say 'If X happened, Y would happen,' you generally use the conditional mood in both the ha-clause and the main clause. The conditional mood markers are -na, -ne, -ná, or -né (which also serve as the 3rd-person singular forms). To these markers, you attach personal endings depending on the word's vowel harmony and whether the conjugation is definite or indefinite (e.g., -nám, -nád). Note a major exception: the first-person singular indefinite suffix is always -nék, regardless of front or back vowels (e.g., várnék, not várnák). Because of this, for front-vowel verbs, the 1st-person singular indefinite form is identical to the 3rd-person plural definite form (e.g., én kérnék = 'I would ask' vs. ők kérnék = 'they would ask for it'). Furthermore, in the conditional mood, the 1st- and 2nd-person plural forms are identical for both definite and indefinite conjugations (e.g., mi várnánk).
Example: Ha esne az eső, otthon maradnék. (If it were raining [it isn't], I would stay home.)

2. Link Vowels in the Conditional
Verbs ending in two consonants (e.g., fest, mond) or a long vowel + t (e.g., tanít, segít) generally require a linking vowel (-a- or -e-) before the conditional suffix (e.g., festene, tanítana). However, there is an exception for verbs ending in double identical consonants like -ll or -rr (e.g., áll, varr); these attach the conditional suffix directly without a linking vowel (e.g., állna, varrna).

3. Past Unreal Conditions
To talk about things that didn't happen in the past, use the past conditional. This is formed by using the past tense form of the verb followed by the auxiliary volna. The main verb takes the past tense conjugation for person and number, but the auxiliary volna remains invariant (it never changes form, e.g., tudtam volna, tudtad volna). Note that volna is a separate, unattached word; while it typically follows the conjugated past-tense verb, it can sometimes be separated from it by other words depending on sentence focus.
Example: Ha tudtam volna, segítettem volna. (If I had known, I would have helped.)

4. Mixed Conditionals
The tense (present vs. past) can differ between the 'if' clause and the result clause depending on the timeframe. For example, a past condition can have a present result: Ha tegnap ettél volna, most nem lennél éhes. (If you had eaten yesterday, you wouldn't be hungry now.)

5. The Verb 'To Be' (van)
The verb van has two present conditional forms: lenne and volna. Both can be used as the main verb in present conditional contexts (e.g., Ha gazdag lennék... or Ha gazdag volnék... - If I were rich...). Traditionally, there is a semantic distinction: volna is preferred for impossible or counterfactual scenarios, whereas lenne is preferred for possible conditions or polite requests. In modern spoken Hungarian, lenne is the standard choice, while volna sounds more formal or literary. Additionally, volna is used as the mandatory invariant auxiliary for all verbs when forming the past conditional. The past conditional of the verb 'to be' is usually the past tense of lesz (to become) + volna: lett volna. Volt volna is also standard, especially for location (otthon voltam volna).

6. Word Order and Prefixes
If a verb has a verbal prefix, it stays attached in a neutral ha-clause. However, if the clause is negated, the prefix must separate. In past conditional sentences, the separated prefix moves to the very end, after the auxiliary volna: Ha nem mentél volna el... (If you hadn't gone away...)

7. Punctuation Rule
Unlike in English, Hungarian punctuation rules strictly require a comma between the ha-clause and the main clause, regardless of which clause comes first (e.g., Otthon maradnék, ha esne az eső.).