Run as fast as you can.

He called in sick on the day of the competition.

I was the only one who couldn't do pushups.

I can't say anything.

Je ne peux rien dire.

I can't see a thing.

Je ne vois rien du tout.

I can't sign this.

Je ne peux pas signer ceci.

I can't skip school.

Je ne peux pas sécher les cours.

I can't slow down!

Je ne peux pas ralentir !

I can't stay.

Ur zmireɣ ara ad qqimeɣ.

Je ne peux pas rester.

I can't stop them.

Je ne peux pas les arrêter.