aımnova
DashboardMy LearningCrash CoursesStudy Plan

Aimnova site navigation

Stay in the loop

Get the latest study resources and updates

New features, study tips and exam insights — straight to your inbox.

IB Diploma

  • IB Past Papers
  • IB Study Notes
  • IB Question Bank
  • IB Mock Exams
  • IB Revision

IB Subjects

  • IB Math AA
  • IB Math AI
  • IB Economics
  • IB Business Management
  • IB Physics
  • IB Biology
  • View all IB subjects→

IB Past Papers

  • IB Math AA HL Past Papers
  • IB Math AA SL Past Papers
  • IB Math AI HL Past Papers
  • IB Math AI SL Past Papers
  • IB Economics HL Past Papers
  • IB Economics SL Past Papers
  • IB ESS Past Papers
  • View all past papers→

Study Resources

  • Study Notes
  • Question Bank
  • Mock Exams
  • Crash Courses
  • Flashcards
  • Revision Guide
  • Exam Skills
  • Command Terms
  • Grade Calculator
  • Exam Timetable 2026

Aimnova

  • Features
  • Pricing
  • For Teachers
  • For Schools
  • For Parents
  • About Us
  • Blog
  • Contact
aımnova

IB study, practice and feedback built around the real exam.

TermsPrivacyCookies·© 2026 Aimnova. All rights reserved.c1e448f

Aimnova is not affiliated with or endorsed by the International Baccalaureate Organization (IB).

NotesSpanish BTopic 3.1Present irregular
Back to Spanish B Topics
3.1.26 min read

Present irregular

IB Spanish B · Unit 3

IB exam ready

Study like the top scorers do

Access a smart study planner, AI tutor, and exam vault — everything you need to hit your target grade.

Start Free

Contents

  1. 1What it is
  2. 2The forms
  3. 3When to use it
  4. 4In action
  5. 5Common errors
When the pattern breaks: Many of the most useful Spanish verbs are irregular in the present: they don't simply take the stem and add the regular ending.

What changes

  • Their stem changes (poder → puedo),
  • or their yo form is special (tener → tengo).
  • The rest of the endings are still the familiar present endings.

Three big patterns cover almost all of them

  • Yo-go verbs
  • Stem-changers
  • The fully irregular ser / ir
irregular
irregular — the verb does not follow the plain stem + ending pattern
el cambio de raíz
the stem change — a vowel in the stem changes (e→ie, o→ue, e→i)
el verbo de yo-go
a yo-go verb — its yo form ends in -go (tengo, salgo, hago)
la forma irregular
the irregular form — a person that doesn't match the normal ending
ser
to be (identity, origin, characteristics) — fully irregular
ir
to go — fully irregular (voy, vas, va…)
Same jobs, trickier forms: Irregular verbs do the same jobs as regular ones — habits, facts, the here-and-now, near-future plans. Only the form is harder, so the marks live in getting the stem and the yo form right. Learn the high-frequency ones (tener, ir, ser, poder, querer, hacer) by heart.

Free preview

Reading it is one thing — hearing it is another

You're reading the free notes. Aimnova Pro unlocks the full study experience — and you can try it with your first topic free to keep:

  • Audio on every wordTap any vocabulary word or example to hear it read aloud in natural Spanish.
  • FlashcardsLock in vocabulary and key terms with spaced repetition.
  • Practice questionsAnswer exam-style questions and get instant AI marking.
  • Mock exams & past-paper vaultSit full mocks and see exactly how examiners award marks.
  • Personalised study planA daily plan built around your exam date and weak areas.
Start Studying Free Full access to Aimnova Pro · cancel anytime
Three patterns to know: Group the irregulars and they stop feeling random. The table below shows one verb per type.

Three patterns to know

  • Yo-go verbs are regular except for a -go in the yo form.
  • Stem-changers swap a vowel in every person except nosotros / vosotros (the boot pattern).
  • Ser / ir are fully irregular — just memorise them.
TipoVerboyo / tú / élnosotros / vosotros / ellos
yo-gotenertengo · tienes · tienetenemos · tenéis · tienen
yo-goponerpongo · pones · poneponemos · ponéis · ponen
yo-gosalirsalgo · sales · salesalimos · salís · salen
yo-gohacerhago · haces · hacehacemos · hacéis · hacen
yo-godecirdigo · dices · dicedecimos · decís · dicen
e→iequererquiero · quieres · quierequeremos · queréis · quieren
o→uepoderpuedo · puedes · puedepodemos · podéis · pueden
e→ipedirpido · pides · pidepedimos · pedís · piden
irregularsersoy · eres · essomos · sois · son
irregularirvoy · vas · vavamos · vais · van
The boot and the yo-go: In a stem-changer, the vowel changes in yo, tú, él and ellos but stays normal in nosotros / vosotros — draw a line around the changed forms and it looks like a boot. Notice tener is both a yo-go (tengo) and a stem-changer (tienes, tiene, tienen). For ser and ir there's no shortcut: just learn the six forms.

Never wonder what to study next

Get a personalized daily plan based on your exam date, progress, and weak areas. We'll tell you exactly what to review each day.

Try Free Study PlanYour first topic is free to keep • No credit card required
Same jobs as the present: Irregular verbs do exactly the same jobs as regular present verbs — the form is the only difference. Here are the everyday uses, each shown with a high-frequency irregular verb.

Usos del presente (verbos irregulares)

  • Habits & routines — Cada día tengo clase de español. (Every day I have a Spanish class.)
  • General facts — El museo es muy antiguo. (The museum is very old.)
  • Actions happening now — Ahora voy al supermercado. (I'm going to the supermarket now.)
  • Near-future plans — Esta noche salgo con mis amigos. (Tonight I'm going out with my friends.)
  • Wishes & ability — Quiero viajar pero no puedo este año. (I want to travel but I can't this year.)
Don't over-think the meaning: An irregular verb in the present means the same as a regular one: tengo is simply I have. The challenge is purely the form — get the stem change or the -go right and the rest works like any other present verb.
A day told with irregular verbs: Here's a short everyday paragraph built one sentence at a time. Each sentence packs in irregular present verbs.

How to use it

  • Look for yo-go forms, stem-changers and ser / ir.
  • Read it once for meaning.
  • Then tap Ver traducción for the English or the audio button to hear it.

El presente irregular en acción

Un día, frase a frase

  1. Soy estudiante y todos los días tengo muchas clases por la mañana.
  2. Salgo de casa muy temprano porque quiero llegar a tiempo.
  3. Voy al instituto en autobús y allí hago los deberes con mis compañeros.
  4. Por la tarde no puedo descansar mucho, así que prefiero estudiar un poco.
  5. Por la noche pongo música tranquila y digo buenas noches a mi familia.
Steal this for your routine: Notice how many everyday verbs are irregular: soy, tengo, salgo, voy, hago, puedo, prefiero, pongo, digo. Memorising these few forms lets you describe a whole day. Swap in your own activities and you have a ready-made paragraph.

Stop wasting time on topics you know

Our AI identifies your weak areas and focuses your study time where it matters. No more overstudying easy topics.

Try Smart Study FreeYour first topic is free to keep • No credit card required
The slips to watch for: Two mistakes dominate: regularising a verb that should change its stem (podo instead of puedo), and forgetting the yo-go (teno instead of tengo). Compare the right version with the typical mistake and the fix becomes obvious.

Correcto

  • Yo puedo ayudarte.
  • Quiero un café, por favor.
  • Yo tengo dos perros.

Error común

  • Yo podo ayudarte.
  • Quero un café, por favor.
  • Yo teno dos perros.
Ask: does the stem change, and is there a yo-go?: Before you write a common verb, recall its pattern: poder, querer, pedir change their stem (puedo, quiero, pido); tener, poner, salir, hacer, decir add -go in the yo form (tengo, pongo, salgo, hago, digo). When in doubt, picture the boot.

Try an IB Exam Question — Free AI Feedback

Test yourself on Present irregular. Write your answer and get instant AI feedback — just like a real IB examiner.

Conjuga el verbo irregular querer (e→ie) en presente en las seis personas (yo, tú, él/ella/usted, nosotros, vosotros, ellos/ellas/ustedes). [2 marks]

Related Spanish B Topics

Continue learning with these related topics from the same unit:

3.1.1Present regular3.1.3Ser vs Estar3.1.4Gustar-type verbs3.2.1Preterite
View all Spanish B topics
Improve your exam techniqueCommand terms, paper structure, and mark-scheme tips for Spanish B
Previous3.1.1Present regularNextSer vs Estar3.1.3

15 exam-style questions ready for you

Students who practice on Aimnova improve their scores by 15% on average. Get instant feedback that shows exactly how to improve your answers.

Practice Now — FreeView All Spanish B Topics