eles cometam

commit, perpetrate

→ cometer
comet make (a mistake), commit (a crime) + am 3rd-person plural present subjunctive or imperative
verb · present tense, 3rd-person plural Rare #40,094
commit, perpetrate Often used with crimes or mistakes; with erro, English usually says “make a mistake.”
PO: Espero que eles não cometam esse crime.
EN: I hope they don’t commit that crime.
Conjugation of cometer
Imperative
SingularPlural
Second comete —
Third cometa cometam
Subjunctive present
SingularPlural
First cometa —
Third cometa cometam

Não cometam o mesmo erro que eu cometi.

Don't make the same mistake I made.

É nosso trabalho tentar evitar que cometam erros perigosos.

It is our job to try to prevent them from making dangerous mistakes.

— Moonrise Kingdom (2012)

Não permitirei que cometam um crime em minha presença.

I will not allow them to commit a crime in my presence.

— M, o Vampiro de Dusseldorf (1931)

Não cometam essa tolice!

Don't make that mistake!

— Flores do Oriente (2011)