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