Introduction to Irregular Future Verbs

In Spanish, many verbs conjugate regularly in the future tense by adding specific endings to the infinitive form. However, some verbs are irregular and undergo changes in their stems before adding the future endings. These irregular verbs often involve dropping or changing certain letters, leading to unique stem forms. Understanding these irregularities is important to correctly form sentences in the future tense and to communicate intentions clearly.

Common Irregular Future Verb Stems

Some of the most frequent stems for irregular future verbs include:
InfinitiveStem in Future Tense
decirdir-
hacerhar-
poderpodr-
ponerpondr-
quererquerr-
sabersabr-
salirsaldr-
tenertendr-
venirvendr-
These stems replace the infinitive before adding the regular future endings (-é, -ás, -á, -emos, -éis, -án).

Irregular Future Endings Pattern

Despite the stem changes, irregular future verbs share the same set of endings as regular future verbs:
  • yo: -é
  • : -ás
  • él/ella/usted: -á
  • nosotros/nosotras: -emos
  • vosotros/vosotras: -éis
  • ellos/ellas/ustedes: -án
These endings are added directly to the modified stem.

Future Tense Conjugation Examples of Irregular Verbs

Spanish PronounDecir (to say)English ConjugationSpanish ExampleEnglish Example
yodiréI will sayYo diré la verdad.I will tell the truth.
dirásYou will sayTú dirás qué pasó.You will say what happened.
él/ella/usteddiráHe/She/You will sayElla dirá la noticia.She will say the news.
nosotros/nosotrasdiremosWe will sayNosotros diremos la verdad.We will tell the truth.
vosotros/vosotrasdiréisYou all will sayVosotros diréis la verdad.You all will say the truth.
ellos/ellas/ustedesdiránThey/You all will sayEllos dirán la verdad.They will tell the truth.

Tips to Recognize Irregular Future Verbs

To master irregular future verbs, remember these pointers:
  • Look for verbs with irregular stems typically ending in -r or dropping letters like the "e" in tenertendr- or venirvendr-.
  • Practice conjugation by pairing the irregular stem with the regular future endings.
  • Context often helps; these verbs frequently appear in daily conversation about plans or promises.
Understanding these irregular stems is essential for forming accurate and fluent future tense sentences in Spanish.
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