I could uncase you could uncase she could uncase we could uncase you could uncase they could uncase
Forma con V-ing
I could be uncasing you could be uncasing she could be uncasing we could be uncasing you could be uncasing they could be uncasing
Perfecto
I could have uncased you could have uncased she could have uncased we could have uncased you could have uncased they could have uncased
Perfecto con V-ing
I could have been uncasing you could have been uncasing she could have been uncasing we could have been uncasing you could have been uncasing they could have been uncasing
Negación
Forma simple
I couldn't uncase you couldn't uncase she couldn't uncase we couldn't uncase you couldn't uncase they couldn't uncase
Forma con V-ing
I couldn't be uncasing you couldn't be uncasing she couldn't be uncasing we couldn't be uncasing you couldn't be uncasing they couldn't be uncasing
Perfecto
I couldn't have uncased you couldn't have uncased she couldn't have uncased we couldn't have uncased you couldn't have uncased they couldn't have uncased
Perfecto con V-ing
I couldn't have been uncasing you couldn't have been uncasing she couldn't have been uncasing we couldn't have been uncasing you couldn't have been uncasing they couldn't have been uncasing
Forma interrogativa
Forma simple
could I uncase? could you uncase? could she uncase? could we uncase? could you uncase? could they uncase?
Forma con V-ing
could I be uncasing? could you be uncasing? could she be uncasing? could we be uncasing? could you be uncasing? could they be uncasing?
Perfecto
could I have uncased? could you have uncased? could she have uncased? could we have uncased? could you have uncased? could they have uncased?
Perfecto con V-ing
could I have been uncasing? could you have been uncasing? could she have been uncasing? could we have been uncasing? could you have been uncasing? could they have been uncasing?
Forma interro-negativa
Forma simple
couldn't I uncase? couldn't you uncase? couldn't she uncase? couldn't we uncase? couldn't you uncase? couldn't they uncase?
Forma con V-ing
couldn't I be uncasing? couldn't you be uncasing? couldn't she be uncasing? couldn't we be uncasing? couldn't you be uncasing? couldn't they be uncasing?
Perfecto
couldn't I have uncased? couldn't you have uncased? couldn't she have uncased? couldn't we have uncased? couldn't you have uncased? couldn't they have uncased?
Perfecto con V-ing
couldn't I have been uncasing? couldn't you have been uncasing? couldn't she have been uncasing? couldn't we have been uncasing? couldn't you have been uncasing? couldn't they have been uncasing?