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Irregular present-tense verbs

Grade 8 · Spanish · Free lesson

¡Hola! Let's explore some Spanish verbs that like to do their own thing. We will learn how to spot these rule-breakers!

In Spanish, regular verbs follow a neat pattern when we talk in the present tense. However, irregular verbs change their spelling in unexpected ways. Today, we are looking at 'Yo-Go' verbs, which only change when you say 'Yo' (I).

ai generated

Let us look at the verb hacer (to do or to make) — pronounced ah-SEHR. Normally, you might expect the 'Yo' form to be 'haco', but it is actually hago (I do) — pronounced AH-go. The other forms, like tú haces (you do), stay completely regular!

hacer(to do)hagoOnly "Yo" changes to -go!

Another common 'Yo-Go' verb is tener (to have) — pronounced teh-NEHR. This one is extra tricky because it is a 'Yo-Go' verb AND a stem-changer! 'Yo' becomes tengo (I have), but 'tú' becomes tienes (you have).

Conjugating TENER (to have)Yo tengo(I have - "Yo-Go" form)Tú tienes(You have - stem change)
✏️ Worked example

Change the sentence 'Yo hacer la tarea' (I do the homework) into correct Spanish by conjugating the verb 'hacer'.

  1. Identify the subject of the sentence, which is 'Yo' (I).
  2. Recall that 'hacer' (to do/make) is an irregular 'Yo-Go' verb in the present tense.
  3. Change the regular ending of 'hacer' for the 'Yo' form. Instead of 'haco', use the special irregular form: 'hago'.
  4. Put the conjugated verb back into your sentence: 'Yo hago la tarea' (I do the homework).
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