Rules of Irregular Verbs
Spell-Changers
Stem-Changers
Conjugation of Spell-Changers
Conjugation of Stem-Changers
100

A verb that changes spelling in a predictable way when conjugated in the "yo" form and nothing else

What is a spell changer?

100

This verb, which means to have, is both a spell and a stem-change verb.

What is tener?

100

The ellos form of empezar (e - ie)

What is empiezan?

100

Conjugate poner in the yo form

Pongo

100

Conjugate poder in the yo form

puedo

200

In stem-change verbs, these two pronouns are not inside "the boot" or that receives change when said verb is being conjugated.

What are nosotros and vosotros?

200

The yo form of traducir.

What is traduzco?

200

The tu form of poder.

what is puedes

200

Conjugate Decir in the yo form

Digo

200

Conjugate confesar in the yo form

confieso

300

Spell-change verbs whose infinitive ends in G-E-R or G-I-R Typically receive this change.

What is yo-jo?

300

The yo from of exigir

what is exijo?

300

The el form of tener.

what is tiene?

300

Conjugate Producir in the yo form

produzco

300

Conjugate volver in the usted form

vuelve

400

the yo form of conducir.

what is conduzco?

400

The nosotros form of pensar.

What is pensamos?

400

Conjugate Traducir in the yo form 

Traduzco

400

Conjugate devolver in the tu form

devuelves

500

The yo form of valer.

What is valgo?

500

The yo form of repeter.

What is repito?

500

Conjugate Ofrecer in the yo form

Ofreczco

500

Conjugate Poder in the vosotros form

It wouldn't change