Vous avez cherché: to scuba dive is necessary (Anglais - Latin)

past is necessary
praeteritum futurum

courage is necessary
virtus est

one thing is necessary
unum est necessarium

what is necessary is legal
quod necessarium est lawful

it is necessary for us to fly
pecuniam reddere debes

is necessary to keep the city walk.
urbem ambulare

that which is necessary is legal
quod necessarium est legal

it is necessary to clean the house
necesse est villam purgare

it is necessary for me to work diligently.
necesse est mihi diligenter laborare.

the second time it is necessary to leave
servus molestus dominium toga arripit

it is necessary for you to sweep the bedroom.
necesse est tibi cubiculum verrere

sometimes, when it is necessary, one must call bull shit
vocant bullshit cum opus

it is necessary to sail, it is not necessary to live
navigare necesse est, vivere non est necesse

eating pea soup is necessary, living is not necesssary.
manducandum pisum elit necesse est, non vivere

it is necessary for you to sleep tonight in my house
necesse est tibi hanc noctem in mea villam dormire

it is necessary for me to be studying for scholastic questions concerning my aptitude.
necesse est mihi studere scholasticis quaestionibus de mea aptitudine.

i am now beginning to return. i say everything that is necessary for farmers fifth cæciliæ pleasant to know! "
nunc mihi ad prīncipia redeundum est. necesse est mihi agricolae dīcere omnia quae dē quīntō caeciliō iūcundō scio!”

however, i order the last one: it is necessary for my wife to follow you to the ground, but you must not look at her.
si videbis, uxor ad inferos portabitur.”