I could flicker you could flicker he could flicker we could flicker you could flicker they could flicker
Forma con V-ing
I could be flickering you could be flickering he could be flickering we could be flickering you could be flickering they could be flickering
Perfecto
I could have flickered you could have flickered he could have flickered we could have flickered you could have flickered they could have flickered
Perfecto con V-ing
I could have been flickering you could have been flickering he could have been flickering we could have been flickering you could have been flickering they could have been flickering
Negación
Forma simple
I couldn't flicker you couldn't flicker he couldn't flicker we couldn't flicker you couldn't flicker they couldn't flicker
Forma con V-ing
I couldn't be flickering you couldn't be flickering he couldn't be flickering we couldn't be flickering you couldn't be flickering they couldn't be flickering
Perfecto
I couldn't have flickered you couldn't have flickered he couldn't have flickered we couldn't have flickered you couldn't have flickered they couldn't have flickered
Perfecto con V-ing
I couldn't have been flickering you couldn't have been flickering he couldn't have been flickering we couldn't have been flickering you couldn't have been flickering they couldn't have been flickering
Forma interrogativa
Forma simple
could I flicker? could you flicker? could he flicker? could we flicker? could you flicker? could they flicker?
Forma con V-ing
could I be flickering? could you be flickering? could he be flickering? could we be flickering? could you be flickering? could they be flickering?
Perfecto
could I have flickered? could you have flickered? could he have flickered? could we have flickered? could you have flickered? could they have flickered?
Perfecto con V-ing
could I have been flickering? could you have been flickering? could he have been flickering? could we have been flickering? could you have been flickering? could they have been flickering?
Forma interro-negativa
Forma simple
couldn't I flicker? couldn't you flicker? couldn't he flicker? couldn't we flicker? couldn't you flicker? couldn't they flicker?
Forma con V-ing
couldn't I be flickering? couldn't you be flickering? couldn't he be flickering? couldn't we be flickering? couldn't you be flickering? couldn't they be flickering?
Perfecto
couldn't I have flickered? couldn't you have flickered? couldn't he have flickered? couldn't we have flickered? couldn't you have flickered? couldn't they have flickered?
Perfecto con V-ing
couldn't I have been flickering? couldn't you have been flickering? couldn't he have been flickering? couldn't we have been flickering? couldn't you have been flickering? couldn't they have been flickering?