Conjugación del verbo inglés COULD UPGRADE
Verbo regular: upgrade - upgraded - upgraded
Afirmación
Forma simple
I could upgradeyou could upgrade
he could upgrade
we could upgrade
you could upgrade
they could upgrade
Forma con V-ing
I could be upgradingyou could be upgrading
he could be upgrading
we could be upgrading
you could be upgrading
they could be upgrading
Perfecto
I could have upgradedyou could have upgraded
he could have upgraded
we could have upgraded
you could have upgraded
they could have upgraded
Perfecto con V-ing
I could have been upgradingyou could have been upgrading
he could have been upgrading
we could have been upgrading
you could have been upgrading
they could have been upgrading
Negación
Forma simple
I couldn't upgradeyou couldn't upgrade
he couldn't upgrade
we couldn't upgrade
you couldn't upgrade
they couldn't upgrade
Forma con V-ing
I couldn't be upgradingyou couldn't be upgrading
he couldn't be upgrading
we couldn't be upgrading
you couldn't be upgrading
they couldn't be upgrading
Perfecto
I couldn't have upgradedyou couldn't have upgraded
he couldn't have upgraded
we couldn't have upgraded
you couldn't have upgraded
they couldn't have upgraded
Perfecto con V-ing
I couldn't have been upgradingyou couldn't have been upgrading
he couldn't have been upgrading
we couldn't have been upgrading
you couldn't have been upgrading
they couldn't have been upgrading
Forma interrogativa
Forma simple
could I upgrade?could you upgrade?
could he upgrade?
could we upgrade?
could you upgrade?
could they upgrade?
Forma con V-ing
could I be upgrading?could you be upgrading?
could he be upgrading?
could we be upgrading?
could you be upgrading?
could they be upgrading?
Perfecto
could I have upgraded?could you have upgraded?
could he have upgraded?
could we have upgraded?
could you have upgraded?
could they have upgraded?
Perfecto con V-ing
could I have been upgrading?could you have been upgrading?
could he have been upgrading?
could we have been upgrading?
could you have been upgrading?
could they have been upgrading?
Forma interro-negativa
Forma simple
couldn't I upgrade?couldn't you upgrade?
couldn't he upgrade?
couldn't we upgrade?
couldn't you upgrade?
couldn't they upgrade?
Forma con V-ing
couldn't I be upgrading?couldn't you be upgrading?
couldn't he be upgrading?
couldn't we be upgrading?
couldn't you be upgrading?
couldn't they be upgrading?
Perfecto
couldn't I have upgraded?couldn't you have upgraded?
couldn't he have upgraded?
couldn't we have upgraded?
couldn't you have upgraded?
couldn't they have upgraded?
Perfecto con V-ing
couldn't I have been upgrading?couldn't you have been upgrading?
couldn't he have been upgrading?
couldn't we have been upgrading?
couldn't you have been upgrading?
couldn't they have been upgrading?