Conjugación del verbo inglés COULD SING
Verbo irregular: sing - sang - sung
Afirmación
Forma simple
I could singyou could sing
he could sing
we could sing
you could sing
they could sing
Forma con V-ing
I could be singingyou could be singing
he could be singing
we could be singing
you could be singing
they could be singing
Perfecto
I could have sungyou could have sung
he could have sung
we could have sung
you could have sung
they could have sung
Perfecto con V-ing
I could have been singingyou could have been singing
he could have been singing
we could have been singing
you could have been singing
they could have been singing
Negación
Forma simple
I couldn't singyou couldn't sing
he couldn't sing
we couldn't sing
you couldn't sing
they couldn't sing
Forma con V-ing
I couldn't be singingyou couldn't be singing
he couldn't be singing
we couldn't be singing
you couldn't be singing
they couldn't be singing
Perfecto
I couldn't have sungyou couldn't have sung
he couldn't have sung
we couldn't have sung
you couldn't have sung
they couldn't have sung
Perfecto con V-ing
I couldn't have been singingyou couldn't have been singing
he couldn't have been singing
we couldn't have been singing
you couldn't have been singing
they couldn't have been singing
Forma interrogativa
Forma simple
could I sing?could you sing?
could he sing?
could we sing?
could you sing?
could they sing?
Forma con V-ing
could I be singing?could you be singing?
could he be singing?
could we be singing?
could you be singing?
could they be singing?
Perfecto
could I have sung?could you have sung?
could he have sung?
could we have sung?
could you have sung?
could they have sung?
Perfecto con V-ing
could I have been singing?could you have been singing?
could he have been singing?
could we have been singing?
could you have been singing?
could they have been singing?
Forma interro-negativa
Forma simple
couldn't I sing?couldn't you sing?
couldn't he sing?
couldn't we sing?
couldn't you sing?
couldn't they sing?
Forma con V-ing
couldn't I be singing?couldn't you be singing?
couldn't he be singing?
couldn't we be singing?
couldn't you be singing?
couldn't they be singing?
Perfecto
couldn't I have sung?couldn't you have sung?
couldn't he have sung?
couldn't we have sung?
couldn't you have sung?
couldn't they have sung?
Perfecto con V-ing
couldn't I have been singing?couldn't you have been singing?
couldn't he have been singing?
couldn't we have been singing?
couldn't you have been singing?
couldn't they have been singing?