do does did

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500+ learners.
As you know, in the interrogative form we use the auxiliary do/does/did. But this does not happen in the case of the reported speech, which does not require the use of the auxiliary.
Como sabrás, en la forma interrogativa usamos el auxiliar do/does/did; pero no sucede así en el caso del reported speech (discurso indirecto), que no requiere el uso de auxiliar.
Palabra del día
el tiburón