Regular Verbs
Irregular Verbs
Stem-Changers
Irregular Stem Verbs
-car, -gar, -zar verbs
100
I ran
Corrí
100

You (informal) went

fuiste

100
he asked for
pidió
100
I walked
anduve
100
I played
jugué
200
He lived
vivió
200
They were
fueron
200

they preferred

prefirieron

200
We were (estar)
estuvimos
200
I searched for
busqué
300
They spoke
hablaron
300
I gave
di
300

She slept

durmió

300
they came
vinieron
300

You (informal) at lunch 

almorzó

400
You wrote
escribiste or escribió
400
We saw
vimos
400

he competed 

compitió

400
I brought
traje
400
I ate lunch
almorcé
500
Y'all sang
Cantaron or Cantasteis
500

y'all (Spain) saw

visteis

500

They died 

murieron 

500
they did
hicieron
500
Why is there a spelling change in the yo form of these verbs?
In order for the conjugated form to sound like the infinitive, the spelling must change slightly.
M
e
n
u