--- title: What Are the Main Irregular Verbs in Spanish? description: Master irregular verbs in Spanish with clear patterns, examples, and tips. Learn ser, estar, ir, tener, and more to boost fluency fast. image: https://blog.worldsacross.com/hubfs/_Main%20Irregular%20Verbs%20in%20Spanish.svg --- [![Logo](https://blog.worldsacross.com/hubfs/logowaoptimo.webp)](https://blog.worldsacross.com/index) ![menu](https://f.hubspotusercontent40.net/hubfs/7479797/menu.png) ![close_24px](https://7479797.fs1.hubspotusercontent-na1.net/hubfs/7479797/close_24px.svg) [Contact Us](https://www.hubspot.com/) [Spanish for Beginners](https://blog.worldsacross.com/index/tag/spanish-for-beginners) [Learn Spanish from Scratch](https://blog.worldsacross.com/index/tag/learn-spanish-from-scratch) # What Are the Main Irregular Verbs in Spanish? [![María Flores](https://blog.worldsacross.com/hs-fs/hubfs/Dise%C3%B1o%20sin%20t%C3%ADtulo.png?width=50&height=50&name=Dise%C3%B1o%20sin%20t%C3%ADtulo.png)](https://blog.worldsacross.com/index/author/maría-flores) [María Flores](https://blog.worldsacross.com/index/author/maría-flores) 25 September, 2025 ![Irregular Verbs in Spanish](https://blog.worldsacross.com/hubfs/_Main%20Irregular%20Verbs%20in%20Spanish.svg) *“Wait… why is it* ***yo pienso*** *instead of* ***yo penso****?”* If you’ve ever stared at your notes asking that question, you’re officially part of a global club of Spanish learners. **Irregular verbs in Spanish** have a bit of a reputation: **they’re the rebels of conjugation.** While most verbs behave nicely -just change the ending, easy piece- these little tricksters change their stems, their endings, and sometimes everything at once. But here’s the good news: once you [understand the patterns](https://blog.worldsacross.com/index/understanding-spanish-verb-conjugations-a-step-by-step-guide) (and practice them in short bursts), you’ll tame these wild verbs in no time. Let’s explore them step by step. ## First: A Quick Warm-Up on Regular Verbs Before diving into irregular verbs in Spanish, let’s salute the dependable regular verbs. They follow a clear formula: **keep the stem, swap the ending** depending on the pronoun. Take **caminar** (“to walk”): - yo **camino**, tú **caminas**, él **camina**, nosotros **caminamos**, ustedes **caminan** See how the stem *camin-* never changes? That’s why regular verbs feel comforting; you only memorize the endings. If all verbs were like this, Spanish would be a breeze. But language loves surprises, and that’s where irregular verbs come in. ## Meet the Irregular Verbs in Spanish Think of irregular verbs in Spanish as three families with different personalities: 1. **Stem-Changing Verbs** (also called “boot verbs”) 2. **First-Person-Only Irregulars** 3. **The Totally Wild Ones** Knowing which group a verb belongs to makes them far less scary. Let’s unpack them. ### Stem-Changing Verbs (“Boot Verbs”) Stem-changing verbs alter their stem inside the “boot” of the conjugation chart (yo, tú, él/ella, ustedes) but leave **nosotros** alone. That’s why teachers sometimes draw a boot around those forms; it’s where the change happens. There are three common stem changes. ####  E → IE Example: **pensar** (“to think”) - yo **pienso**, tú **piensas**, él **piensa**, **nosotros pensamos**, ustedes **piensan** Notice how the first “e” becomes **ie**, except in **nosotros**, which stays *“pensamos.”* Other handy verbs: - **querer** → **quiero** (I want) - **entender** → **entiendo** (I understand) - **empezar** → **empiezo** (I begin) **Tip:** Make sentences with [your daily routine](https://blog.worldsacross.com/index/how-to-describe-your-daily-routine-in-spanish): “Hoy **quiero** café,” or “No **entiendo** esa palabra.” ####  O → UE Example: **poder** (“can, be able to”) yo **puedo**, tú **puedes**, él **puede**, **nosotros podemos**, ustedes **pueden** More favorites: - **dormir** → **duermo** (I sleep) - **contar** → **cuento** (I count / tell) - **encontrar** → **encuentro** (I find) Try silly sentences: “Yo **cuento** ovejas para dormir” (I count sheep to sleep). #### E → I Example: **pedir** (“to ask for / order”) yo **pido**, tú **pides**, él **pide**, **nosotros pedimos**, ustedes **piden** Also super practical: - **servir** → **sirvo** (I serve) - **seguir** → **sigo** (I follow / continue) - **repetir** → **repito** (I repeat) Next time you order food, practice: “Quiero **pedir** una pizza.” ### First-Person-Only Irregulars  Some verbs behave like perfect regular verbs, except when you talk about yourself. Their **yo** form is special, while the rest stay standard. For example:  - Hacer (To do or to make): Yo **hago,** tú haces, éll hace, nosotros hacemos - Sabes (To know): Yo **sé,** tú sabes, él sabe, nosotros sabemos Memory hack: picture yourself putting on a “costume” only for the **yo** form. The other pronouns don’t need one. Example sentences: - “Hoy **hago** ejercicio.” - “¿**Sabes** la respuesta? Sí, yo **sé**.” ### The Completely Irregular Verbs Then some verbs don’t care about rules. They change so much that you just memorize them [like new vocabulary](https://blog.worldsacross.com/index/tips-for-learning-new-words-and-expressions-in-spanish). #### **SER – “to be” (permanent)** - yo **soy**, tú **eres**, él **es**, nosotros **somos**, ustedes **son** #### **ESTAR – “to be” (temporary/location)** - yo **estoy**, tú **estás**, él **está**, nosotros **estamos**, ustedes **están** Remember: **ser** = essence, identity; **estar** = state, place. Make mini phrases: - “Yo **soy** profesora.” - “Hoy **estoy** cansado.” #### **IR – “to go”** - yo **voy**, tú **vas**, él **va**, nosotros **vamos**, ustedes **van** No resemblance to *ir*, right? But you’ll use it constantly: “Mañana **voy** al cine.” #### **DECIR – “to say / tell”** This one mixes a stem change with a special yo form: - yo **digo**, tú **dices**, él **dice**, nosotros **decimos**, ustedes **dicen** So: E → I for most forms, and **yo digo** stands alone. Try: “Yo siempre **digo** la verdad.” ## How to Practice Irregular Verbs in Spanish Learning irregular verbs in Spanish isn’t about brute force memorization; it’s about smart, playful repetition. Here are some strategies: ### 1. Use Them in Real Sentences Instead of drilling lists, put verbs into tiny, real-life phrases: - “Hoy **puedo** salir temprano.” - “Siempre **repito** mis canciones favoritas.” - “Nosotros **vamos** al parque.” ### 2. Play With Flashcards On one side: the infinitive (“poder”). On the other: “yo puedo, tú puedes…” Write only the tricky forms in bold. ### 3. Listen & Spot [Watch a Spanish series](https://blog.worldsacross.com/index/tv-shows-to-improve-your-spanish)or song lyrics. Highlight each irregular verb you hear. Pause and say it aloud. ### 4. Mix Them With Regular Verbs Write short stories combining both: - “Yo **camino** por la calle, **encuentro** un café y **pido** un té.” You’ll reinforce the contrast. ![Spanish verb conjugation guide](https://blog.worldsacross.com/hs-fs/hubfs/Spanish%20verb%20conjugation%20guide.png?width=500&height=750&name=Spanish%20verb%20conjugation%20guide.png)   ## Common Mistakes to Avoid 1. **Changing the stem in nosotros** Many learners say *piensamos* instead of **pensamos**. Remember: the boot skips nosotros. 2. **Forgetting accents** Words like **estás** or **sé** need accents; otherwise, they can mean something else. 3. **Mixing ser & estar** Practice with pairs: “Soy feliz” (I’m a happy person) vs. “Estoy feliz” (I feel happy right now). Irregular verbs in Spanish might look like a mountain at first, but they’re really just a collection of fun mini-puzzles. Start with the most useful ones (**ser, estar, ir, tener, querer, poder**) and sprinkle them into your conversations. Every time you say **puedo**, **soy**, or **voy**, you’re training your brain. [Consistency beats cramming](https://blog.worldsacross.com/index/why-consistency-is-better-than-intensity-to-learn-spanish). A few sentences each day will build confidence faster than an epic one-time study session. So next time you’re tempted to sigh at “yo pienso,” remember: you’re not fighting chaos, you’re mastering patterns that millions of Spanish speakers use naturally. With a bit of humor and practice, you’ll soon speak with the same ease. Which irregular verb has made you laugh, cry, or roll your eyes? Drop it in the comments; we love hearing your stories and helping you tackle tricky spots. And if this guide to irregular verbs in Spanish helped you, share it with a fellow learner, give it a like, and subscribe for more bite-sized Spanish tips.   Previous Post ###### [Why is the imperfect tense used to tell stories in Spanish?](https://blog.worldsacross.com/index/why-is-the-imperfect-tense-used-to-tell-stories-in-spanish) Next Post ###### [Why are some Spanish sentences correct even without a subject?](https://blog.worldsacross.com/index/why-are-some-spanish-sentences-correct-even-without-a-subject) ### Similar Blog Posts [![Spanish expressions are grammatically weird](https://blog.worldsacross.com/hubfs/Spanish%20expressions%20are%20grammatically%20weird.svg)](https://blog.worldsacross.com/index/what-natural-spanish-expressions-are-grammatically-weird) #### [What natural Spanish expressions are grammatically weird?](https://blog.worldsacross.com/index/what-natural-spanish-expressions-are-grammatically-weird) [![past narration](https://blog.worldsacross.com/hubfs/past%20narration.svg)](https://blog.worldsacross.com/index/why-is-the-imperfect-tense-used-to-tell-stories-in-spanish) #### [Why is the imperfect tense used to tell stories in Spanish?](https://blog.worldsacross.com/index/why-is-the-imperfect-tense-used-to-tell-stories-in-spanish) [![conditional querer querria](https://blog.worldsacross.com/hubfs/conditional%20querer.svg)](https://blog.worldsacross.com/index/how-do-you-use-the-conditional-tense-in-spanish-correctly) #### [How do you use the conditional tense in Spanish correctly?](https://blog.worldsacross.com/index/how-do-you-use-the-conditional-tense-in-spanish-correctly) [![logowaBlanco](https://blog.worldsacross.com/hubfs/logowaBlanco.webp "logowaBlanco")](https://worldsacross.com) Personalized 1-on-1 Spanish classes with native tutors via video chat, tailored to your schedule. Ready to start living the Spanish language? ###### Get In Touch +1 (646) 980-5604 info@worldsacross.com WorldsAcross LLC, 8100 Wyoming Blvd Ne #M40212, Albuquerque, NM 87113, USA Copyright © 2026 WorldsAcross LLC All Rights Reserved. [Privacy Poilicy |](https://www.hubspot.com/) [Terms & Condition](https://www.hubspot.com/) ```json { "@context" : "https://schema.org", "@type" : "BlogPosting", "author" : { "@type" : "Person", "name" : "María Flores", "url" : "https://blog.worldsacross.com/index/author/maría-flores" }, "dateModified" : "2025-09-25T15:33:11.932Z", "datePublished" : "2025-09-25T15:33:11.000Z", "headline" : "What Are the Main Irregular Verbs in Spanish?", "image" : [ "https://blog.worldsacross.com/hubfs/_Main%20Irregular%20Verbs%20in%20Spanish.svg" ], "mainEntityOfPage" : { "@id" : "https://blog.worldsacross.com/index/what-are-the-main-irregular-verbs-in-spanish", "@type" : "WebPage" }, "publisher" : { "@type" : "Organization", "logo" : { "@type" : "ImageObject" } } } ```