Stem Changing Verbs Worksheet Answers

By | February 19, 2026

p Stem-changing verbs can be a tricky concept for language learners. Just when you think you’ve mastered regular verb conjugations, these verbs swoop in and change the rules! But don’t despair! Understanding stem-changing verbs and practicing with resources like worksheets is the key to conquering them. This post aims to provide a helpful resource, not only by offering the answers to a typical stem-changing verbs worksheet but also by offering additional tips and tricks to help you understand *why* the changes happen. Mastering these verbs opens the door to more fluent and natural-sounding communication. This guide assumes you are learning Spanish, as this type of verb is common within the Spanish language, but the concept can be applied to other languages as well. Let’s jump in!

Understanding Stem-Changing Verbs

p Before diving into the answers, it’s important to understand the core concept. Stem-changing verbs, also known as radical-changing verbs, are verbs where the vowel in the stem (the part of the verb that remains after removing the infinitive ending, e.g., -ar, -er, -ir) changes in certain conjugations. These changes typically occur in all forms *except* the nosotros (we) and vosotros (you all – used primarily in Spain) forms.

p The most common types of stem changes are:

* **e to ie:** pensar (to think) becomes pienso, piensas, piensa, pensamos, pensáis, piensan
* **o to ue:** poder (to be able to) becomes puedo, puedes, puede, podemos, podéis, pueden
* **e to i:** pedir (to ask for/request) becomes pido, pides, pide, pedimos, pedís, piden
* **u to ue:** jugar (to play) becomes juego, juegas, juega, jugamos, jugáis, juegan

p Recognizing these patterns is crucial for identifying and conjugating stem-changing verbs correctly. Remember to identify the stem *first*. This will help you isolate the vowel that could potentially change.

Common Stem-Changing Verbs and Their Conjugations

p Knowing which verbs are stem-changing is half the battle. Here’s a quick list of some commonly used stem-changing verbs:

* **e to ie:** comenzar (to begin), empezar (to start), entender (to understand), perder (to lose), querer (to want), sentir (to feel), preferir (to prefer), cerrar (to close)
* **o to ue:** almorzar (to eat lunch), contar (to count/tell), dormir (to sleep), encontrar (to find), mostrar (to show), recordar (to remember), volver (to return), costar (to cost)
* **e to i:** competir (to compete), conseguir (to get/obtain), decir (to say/tell), repetir (to repeat), seguir (to follow), vestir (to dress)
* **u to ue:** jugar (to play)

While there aren’t foolproof rules for predicting which verbs will undergo stem changes, repeated exposure and practice will help you learn to recognize them more easily. Now let’s move onto the answers. Below is a sample worksheet, with the stem changing verb and person provided, followed by the correct conjugation in the answer section. Keep in mind, you will need to identify the type of change, the stem and if the subject is nosotros/vosotros, where there would be no change.

Stem Changing Verbs Worksheet Answers

Here are the answers to a sample stem-changing verb worksheet. Please note the following sample questions are just for demonstration, your worksheet may have different verbs and subjects.

**Worksheet Questions:**

1. Pensar (yo)
2. Poder (tú)
3. Querer (él)
4. Dormir (nosotros)
5. Jugar (ustedes)
6. Empezar (yo)
7. Sentir (ella)
8. Preferir (nosotros)
9. Volver (ellos)
10. Decir (yo)
11. Seguir (nosotros)
12. Competir (ustedes)

Here are the answers to the sample worksheet questions from above:

  1. Pienso
  2. Puedes
  3. Quiere
  4. Dormimos
  5. Juegan
  6. Empiezo
  7. Siente
  8. Preferimos
  9. Vuelven
  10. Digo
  11. Seguimos
  12. Compiten

By reviewing these answers, you can check your understanding and identify areas where you might need more practice. Remember to focus on *why* the changes occur and which forms do *not* change.

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