Vous avez cherché: he wants to become king (Anglais - Latin)

he wants to be
qui vult

he wants to release
dimittere cupit

wants to die
non cogitamus, ergo nihil sumus

and he wants to complete the
et velle et perficere

i wish to become
volo omnes optimos

he wants to write many letters.
vult

to become immortal
et fieri inmortalibus

he wants a new car.
raedam novam vult.

he alone does not know he wants to know
quod mecum nescit, solus vult scire videri

bregans wants to sleep
bregans dormire vult

to become lean, skinny, thin
macresco

to become tired, grow weary
lasesco

what he wants he wants very much
adversa virtute repello

to become visible, appear, manifest
appareo

to become heavy, become a burden
ingravesco

caesar is said to have conquered the gauls and wished to become king
gallis victis

i don't want to become what i fear most
quod maxime timeo factus sum

i want to
non possumus

i want to die
i moriend

i want to learn
eruditio volo