Definitions
I decide
Yo decido
to have
tener
What is a stem-changing verb?
A verb that has an additional change in the middle (or stem).
to go
ir
to prefer
preferir
They are starting (Comenzar)
Ellos comienzan
You understand (Entender)
Tú entiendes
I sleep (Dormir)
Yo duermo
I make/do (Hacer)
Yo hago