Spanish English Infinitive Stem
nado ... I swim ... nadar ... nad-
vives ... You live ... vivir ... viv-
leemos ... We read ... leer ... le-
debes ... You owe ... deber deb-
insisten ... they insist ... insistir ... insist-
corremos ... we run ... correr ... corr-
bebemos ... he drink ... beber ... beb-
suben ... they climb ... subir ... sub-