Tabla de conjugación del verbo "To sing"
Present Simple (Presente Simple)Present Simple Continuous (Presente Continuo)Past Simple (Pasado Simple)Past Continuous (Pasado Continuo)Negative
He/She/It wasn't singing. Future Simple (Futuro Simple)Present Perfect Simple (Presente Perfecto)Present Perfect Continuous (Presente Perfecto Continuo)Affirmative
He/She/It's been singing.Negative
You haven't been singing.
He/She/It hasn't been singing.
You haven't been singing.
They haven't been singing.Interrogative
Has he/she/it been singing? Past Perfect Simple (Pasado Perfecto)Past Perfect Continuous (Pasado Perfecto Continuo)Affirmative
He/She/It'd been singing.Negative
He/She/It hadn't been singing.
They hadn't been singing.Interrogative
Had he/she/it been singing? Future Perfect (Futuro Perfecto)Negative
He/She/It won't have sung.Interrogative
Will he/she/it have sung? Conditional (Condicional)Conditional Perfect (Condicional Perfecto)Negative
He/She/It wouldn't have sung.Interrogative
Would he/she/it have sung?