11 questions
Andar- stem changer
andava
anduv
quiz
anduve
Estar- stem changer
estuv
tuve
anduv
estuve
Tener- what is the stem
anduv
estuve
tuve
tuv
venir- stem changer
quis
quiz
ven
vin
querer-stem changer
quis
quiero
quer
quiz
Hacer-stem changer
hic except hiz for el,ella, usted
hic except hiz for nosotros
hic except hiz for ellos, ellas, ustedes
hic except hiz for yo
Poder- stem changer
sup
cup
pus
pud
Poner- stem changer
pus
sup
cup
pud
Saber-stem changer
cup
supe
sup
sub
caber-stem changer
sup
clup
cop
cup
Please ask for an extra 5 points nicely, you can use spanglish. :)