Conjugación del verbo inglés COULD MAINTAIN
Verbo regular: maintain - maintained - maintained
Afirmación
Forma simple
I could maintainyou could maintain
he could maintain
we could maintain
you could maintain
they could maintain
Forma con V-ing
I could be maintainingyou could be maintaining
he could be maintaining
we could be maintaining
you could be maintaining
they could be maintaining
Perfecto
I could have maintainedyou could have maintained
he could have maintained
we could have maintained
you could have maintained
they could have maintained
Perfecto con V-ing
I could have been maintainingyou could have been maintaining
he could have been maintaining
we could have been maintaining
you could have been maintaining
they could have been maintaining
Negación
Forma simple
I couldn't maintainyou couldn't maintain
he couldn't maintain
we couldn't maintain
you couldn't maintain
they couldn't maintain
Forma con V-ing
I couldn't be maintainingyou couldn't be maintaining
he couldn't be maintaining
we couldn't be maintaining
you couldn't be maintaining
they couldn't be maintaining
Perfecto
I couldn't have maintainedyou couldn't have maintained
he couldn't have maintained
we couldn't have maintained
you couldn't have maintained
they couldn't have maintained
Perfecto con V-ing
I couldn't have been maintainingyou couldn't have been maintaining
he couldn't have been maintaining
we couldn't have been maintaining
you couldn't have been maintaining
they couldn't have been maintaining
Forma interrogativa
Forma simple
could I maintain?could you maintain?
could he maintain?
could we maintain?
could you maintain?
could they maintain?
Forma con V-ing
could I be maintaining?could you be maintaining?
could he be maintaining?
could we be maintaining?
could you be maintaining?
could they be maintaining?
Perfecto
could I have maintained?could you have maintained?
could he have maintained?
could we have maintained?
could you have maintained?
could they have maintained?
Perfecto con V-ing
could I have been maintaining?could you have been maintaining?
could he have been maintaining?
could we have been maintaining?
could you have been maintaining?
could they have been maintaining?
Forma interro-negativa
Forma simple
couldn't I maintain?couldn't you maintain?
couldn't he maintain?
couldn't we maintain?
couldn't you maintain?
couldn't they maintain?
Forma con V-ing
couldn't I be maintaining?couldn't you be maintaining?
couldn't he be maintaining?
couldn't we be maintaining?
couldn't you be maintaining?
couldn't they be maintaining?
Perfecto
couldn't I have maintained?couldn't you have maintained?
couldn't he have maintained?
couldn't we have maintained?
couldn't you have maintained?
couldn't they have maintained?
Perfecto con V-ing
couldn't I have been maintaining?couldn't you have been maintaining?
couldn't he have been maintaining?
couldn't we have been maintaining?
couldn't you have been maintaining?
couldn't they have been maintaining?