Tabla de conjugación del verbo "To sing"
Present Simple (Presente Simple)
Present Simple Continuous (Presente Continuo)
Negative
He/She/It is not singing.
Past Simple (Pasado Simple)
Past Continuous (Pasado Continuo)
Negative
He/She/It was not singing.
Future Simple (Futuro Simple)
Present Perfect Simple (Presente Perfecto)
Present Perfect Continuous (Presente Perfecto Continuo)
Affirmative
He/She/It has been singing.
Negative
You have not been singing.
We have not been singing.
He/She/It has not been singing.
You have not been singing.
They have not been singing.
Interrogative
Has he/she/it been singing?
Past Perfect Simple (Pasado Perfecto)
Past Perfect Continuous (Pasado Perfecto Continuo)
Affirmative
He/She/It had been singing.
Negative
You had not been singing.
He/She/It had not been singing.
You had not been singing.
They had not been singing.
Interrogative
Had he/she/it been singing?
Future Perfect (Futuro Perfecto)
Affirmative
He/She/It will have sung.
Negative
He/She/It will not have sung.
Interrogative
Will he/she/it have sung?
Conditional (Condicional)
Negative
He/She/It would not sing.
Conditional Perfect (Condicional Perfecto)
Affirmative
He/She/It would have sung.
Negative
He/She/It would not have sung.
They would not have sung.
Interrogative
Would he/she/it have sung?