This is the 11345th most frequent Portuguese word.
mostrarem
"Mostrarem" means "to show" or "demonstrate" in English, referring to the action if used in the third person plural of the subjunctive or infinitive form.
Here, 'mostrarem' is used as an infinitive verb form meaning 'to show'. It is employed to indicate the action they want to perform.
Eles decidiram mostrar suas habilidades na competição.
They decided to show their skills in the competition.
In this case, 'mostrarem' is the subjunctive form of the verb 'mostrar,' used to express a conditional idea.
Se os artistas mostrarem seu talento, o show será um sucesso.
If the artists show their talent, the show will be a success.
Here, 'mostrarem' is in the subjunctive mood, expressing the organizers' request and emphasizing the desire for a specific action.