The Spanish Conditional: Would, Could, and Polite Requests
The conditional tense in Spanish lets you talk about what would happen, make polite requests, and speculate about possibilities. The good news is that its formation is one of the most regular in the language — you take the full infinitive and add the endings. Even the irregular verbs only change the stem, never the endings.
Forming the Conditional
Unlike the present or preterite, where -ar, -er, and -ir verbs each have their own set of endings, the conditional uses one set of endings for all verbs. You attach them directly to the infinitive.
The endings are: -ía, -ías, -ía, -íamos, -íais, -ían. Notice these are the same as the imperfect endings for -er/-ir verbs. Same endings, different base — the conditional uses the full infinitive, the imperfect uses the stem.
A quick way to remember the conditional endings: they look exactly like the imperfect of haber (había, habías, había...). If you already know the imperfect, you basically already know the conditional endings.
Irregular Stems
Twelve common verbs have irregular stems in the conditional. The stems change, but the endings stay exactly the same (-ía, -ías, etc.). These are the same verbs that are irregular in the simple future tense.
The pattern: some drop a vowel (poder → podr-, saber → sabr-, haber → habr-, querer → querr-), others replace a vowel with d (tener → tendr-, salir → saldr-, venir → vendr-, poner → pondr-), and two are just short (hacer → har-, decir → dir-).
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Polite Requests and Suggestions
One of the most practical uses of the conditional is softening what you say. Instead of directly stating what you want, the conditional adds a layer of courtesy that Spanish speakers use constantly.
Compare: Quiero un café (I want a coffee — direct) vs. Me gustaría un café (I would like a coffee — polite). Both work, but the conditional version is what you'd use with someone you don't know well, at a restaurant, or in any formal situation.
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Hypothetical Situations
The conditional is essential for talking about things that aren't real — imagined scenarios, "what if" situations, and speculation about the present or future.
In "if" clauses (si + imperfect subjunctive), the conditional always goes in the result part, not the si part. You'd never say "si tendría" — it's always "si tuviera... tendría".
The conditional can also express probability in the past: Serían las tres means "It was probably three o'clock." It's a guess about a past moment, similar to how the future tense (serán las tres) expresses probability in the present.
Conditional vs Future: Don't Mix Them Up
The conditional and future tense share the same irregular stems and look similar, but they express different things. The future says what will happen; the conditional says what would happen.
- Future: Tendré tiempo mañana — I will have time tomorrow.
- Conditional: Tendría tiempo si no trabajara — I would have time if I didn't work.
- Future: Haré la tarea — I will do the homework.
- Conditional: Haría la tarea, pero estoy cansado — I would do the homework, but I'm tired.
Frequently Asked Questions
Is the Spanish conditional the same as "would" in English?
Mostly, yes. The conditional translates "would" in sentences like "I would go" (iría) or "She would eat" (comería). However, it's also used for polite requests and speculation, where English might use "could" or "might" instead.
What are the irregular conditional stems?
There are 12 verbs with irregular stems. The most common are: tener → tendr-, poder → podr-, hacer → har-, decir → dir-, saber → sabr-, querer → querr-, salir → saldr-, venir → vendr-, haber → habr-, poner → pondr-, valer → valdr-, and caber → cabr-. The endings stay the same.
When do I use the conditional vs the imperfect subjunctive?
In "if" sentences, the conditional goes in the result clause and the imperfect subjunctive goes in the if clause: Si tuviera dinero (imperfect subjunctive), viajaría (conditional). Don't put the conditional after si.
Can I use the conditional to be polite?
Absolutely. The conditional softens requests and suggestions. ¿Podrías ayudarme? (Could you help me?) sounds much more polite than ¿Puedes ayudarme?. Same with me gustaría (I would like) vs. quiero (I want).