Tabla de conjugación del verbo "To use"
Present Simple (Presente Simple)
Present Simple Continuous (Presente Continuo)
Past Simple (Pasado Simple)
Past Continuous (Pasado Continuo)
Future Simple (Futuro Simple)
Present Perfect Simple (Presente Perfecto)
Present Perfect Continuous (Presente Perfecto Continuo)
Past Perfect Simple (Pasado Perfecto)
Past Perfect Continuous (Pasado Perfecto Continuo)
He/She/It has been using.
He/She/It has not been using.
They have not been using.
Has he/she/it been using?
Future Perfect (Futuro Perfecto)
He/She/It had been using.
He/She/It had not been using.
Had he/she/it been using?
Conditional Perfect (Condicional Perfecto)
He/She/It will have used.
He/She/It will not have used.
Will he/she/it have used?
He/She/It would have used.
He/She/It would not have used.
They would not have used.
Would he/she/it have used?