Select all that apply. Which questions are correctly formed in standard English?
Were the side doors open?✓Respuesta correcta
Does the scanner needs a cable?
Does the scanner need a cable?✓Respuesta correcta
Do the side doors be open?
Explicación
The correct sentences either invert an existing auxiliary or place does before a bare lexical verb. The remaining sentences wrongly add do to be or retain the third-person ending after does.