B1 Spanish grammar

Irregular Spanish Future Stems: Tendr-, Har-, Dir-, and More

Irregular future verbs change the infinitive stem but keep the normal future endings. Group the stems by pattern instead of memorising six forms per verb.

irregular Spanish future stems: Use shortened stems

Poder, saber, caber, and haber drop a vowel before the future ending: podr-, sabr-, cabr-, and habr-.

No podremos ir.
We will not be able to go.Poder becomes podr- before -emos.

Quick check

I will know.

Insert d in common stems

Poner, salir, tener, and venir use pondr-, saldr-, tendr-, and vendr-.

Tendrás más tiempo mañana.
You will have more time tomorrow.Tener changes to tendr- before -ás.

Learn har- and dir-

Hacer becomes har- and decir becomes dir- in both the future and conditional.

Te diré la verdad.
I will tell you the truth.Decir uses dir- plus -é.

Common mistakes

No poderemos ir.

No podremos ir.

Poder uses the irregular future stem podr-.

Tenirás más tiempo.

Tendrás más tiempo.

The future stem is tendr-, not tenir-.

Te deciré la verdad.

Te diré la verdad.

Decir contracts to dir- in the future.

Ready to practise irregular Spanish future stems?

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Practice irregular Spanish future stems

Irregular future stems FAQ

What does irregular future stems cover?

Irregular future verbs change the infinitive stem but keep the normal future endings. Group the stems by pattern instead of memorising six forms per verb.

What is the first rule to remember?

Poder, saber, caber, and haber drop a vowel before the future ending: podr-, sabr-, cabr-, and habr-.

What is another important B1 pattern?

Poner, salir, tener, and venir use pondr-, saldr-, tendr-, and vendr-.

How can I practise irregular Spanish future stems?

Complete the focused round, review each correction, and repeat the lesson when its skills become due again.

Continue learning

Simple futureAttach the shared future endings to complete infinitives and use them for future events.Predictions and promisesChoose the simple future when presenting a prediction, promise, or decision as a future claim.Future of probabilityUse a future form to express a probability or guess about what is happening now.Complete B1 Spanish grammar courseSee every B1 unit and continue through the course in order.Spanish tense guidesCompare the major tense systems used throughout this course.