tu saches

know

s a ʃ → savoir
sach know + es tu conjugation
verb · second singular · present subjunctive Rare #35,745
know Subjunctive form, often used after "que" (e.g., "il faut que tu saches...").
FR: Il faut que tu saches la vérité.
EN: You need to know the truth.
Conjugation of savoir
Subjunctive present
SingularPlural
First sache
Second saches sachiez
Third sache sachent

C'est mieux que tu ne le saches pas.

It's better that you don't know.

Ce sera terminé avant que tu ne le saches.

It will be over before you know it.

C'est la seule chose que tu saches faire?

Is that the only thing you know how to do?

— Avatar : De feu et de cendres (2025)

Kitty, je n'ai rien dit que tu ne saches déjà.

Kitty, I didn't say anything you don't already know.

— Oppenheimer (2023)

Il vaut mieux que tu ne le saches pas.

It's better that you don't know.

Comment se fait-il que tu en saches autant sur l'histoire du Japon?

How is it that you know so much about the history of Japan?

Avant même que tu ne le saches, tu seras dans les journaux.

Before you even know it, you'll be in the newspapers.

Sounds similar to