The stem changes, the endings don't
Normally the future adds its endings to the whole infinitive (hablar → hablaré). A few very common verbs use a shortened stem instead. The endings are the same as in the regular future.
English will never changes, so an irregular future is new to you. Treat it like go → went: the irregularity sits inside the verb and has to be memorised, but here it comes in just three patterns.
The three stem patterns
1. The vowel drops out
The vowel before the -r of the infinitive disappears: poder → podr-.
No podré ir a la fiesta.
I won't be able to go to the party.
Habrá mucha gente en el concierto.
There will be a lot of people at the concert.
Two of these matter most in everyday speech: podré is I will be able to (Spanish has no future of can), and habrá is the future of there is / there are.
2. d replaces the vowel
The vowel is replaced by a d: tendr → tendr-.
Tendré que estudiar más.
I will have to study more.
¿Vendrás a la reunión?
Will you come to the meeting?
Saldremos temprano del trabajo.
We will leave work early.
3. Short forms
Only two verbs are cut down further. Learn them on their own.
¿Qué harás este fin de semana?
What will you do this weekend?
Ellos no dirán nada.
They won't say anything.
The stem stays, only the ending changes
| Person | tener | hacer |
|---|---|---|
| yo | tendré | haré |
| tú | tendrás | harás |
| él / ella / usted | tendrá | hará |
| nosotros / nosotras | tendremos | haremos |
| vosotros / vosotras | tendréis | haréis |
| ellos / ellas / ustedes | tendrán | harán |
Future of tener and hacer
