Conjugación del verbo inglés COULD BIRCH
Verbo regular: birch - birched - birched
Afirmación
Forma simple
I could birchyou could birch
he could birch
we could birch
you could birch
they could birch
Forma con V-ing
I could be birchingyou could be birching
he could be birching
we could be birching
you could be birching
they could be birching
Perfecto
I could have birchedyou could have birched
he could have birched
we could have birched
you could have birched
they could have birched
Perfecto con V-ing
I could have been birchingyou could have been birching
he could have been birching
we could have been birching
you could have been birching
they could have been birching
Negación
Forma simple
I couldn't birchyou couldn't birch
he couldn't birch
we couldn't birch
you couldn't birch
they couldn't birch
Forma con V-ing
I couldn't be birchingyou couldn't be birching
he couldn't be birching
we couldn't be birching
you couldn't be birching
they couldn't be birching
Perfecto
I couldn't have birchedyou couldn't have birched
he couldn't have birched
we couldn't have birched
you couldn't have birched
they couldn't have birched
Perfecto con V-ing
I couldn't have been birchingyou couldn't have been birching
he couldn't have been birching
we couldn't have been birching
you couldn't have been birching
they couldn't have been birching
Forma interrogativa
Forma simple
could I birch?could you birch?
could he birch?
could we birch?
could you birch?
could they birch?
Forma con V-ing
could I be birching?could you be birching?
could he be birching?
could we be birching?
could you be birching?
could they be birching?
Perfecto
could I have birched?could you have birched?
could he have birched?
could we have birched?
could you have birched?
could they have birched?
Perfecto con V-ing
could I have been birching?could you have been birching?
could he have been birching?
could we have been birching?
could you have been birching?
could they have been birching?
Forma interro-negativa
Forma simple
couldn't I birch?couldn't you birch?
couldn't he birch?
couldn't we birch?
couldn't you birch?
couldn't they birch?
Forma con V-ing
couldn't I be birching?couldn't you be birching?
couldn't he be birching?
couldn't we be birching?
couldn't you be birching?
couldn't they be birching?
Perfecto
couldn't I have birched?couldn't you have birched?
couldn't he have birched?
couldn't we have birched?
couldn't you have birched?
couldn't they have birched?
Perfecto con V-ing
couldn't I have been birching?couldn't you have been birching?
couldn't he have been birching?
couldn't we have been birching?
couldn't you have been birching?
couldn't they have been birching?