I could shout you could shout he could shout we could shout you could shout they could shout
Forma com V-ing
I could be shouting you could be shouting he could be shouting we could be shouting you could be shouting they could be shouting
Perfeito
I could have shouted you could have shouted he could have shouted we could have shouted you could have shouted they could have shouted
Perfeito com V-ing
I could have been shouting you could have been shouting he could have been shouting we could have been shouting you could have been shouting they could have been shouting
Negação
Forma simple
I couldn't shout you couldn't shout he couldn't shout we couldn't shout you couldn't shout they couldn't shout
Forma com V-ing
I couldn't be shouting you couldn't be shouting he couldn't be shouting we couldn't be shouting you couldn't be shouting they couldn't be shouting
Perfeito
I couldn't have shouted you couldn't have shouted he couldn't have shouted we couldn't have shouted you couldn't have shouted they couldn't have shouted
Perfeito com V-ing
I couldn't have been shouting you couldn't have been shouting he couldn't have been shouting we couldn't have been shouting you couldn't have been shouting they couldn't have been shouting
Forma interrogativa
Forma simple
could I shout? could you shout? could he shout? could we shout? could you shout? could they shout?
Forma com V-ing
could I be shouting? could you be shouting? could he be shouting? could we be shouting? could you be shouting? could they be shouting?
Perfeito
could I have shouted? could you have shouted? could he have shouted? could we have shouted? could you have shouted? could they have shouted?
Perfeito com V-ing
could I have been shouting? could you have been shouting? could he have been shouting? could we have been shouting? could you have been shouting? could they have been shouting?
Forma interro-Negação
Forma simple
couldn't I shout? couldn't you shout? couldn't he shout? couldn't we shout? couldn't you shout? couldn't they shout?
Forma com V-ing
couldn't I be shouting? couldn't you be shouting? couldn't he be shouting? couldn't we be shouting? couldn't you be shouting? couldn't they be shouting?
Perfeito
couldn't I have shouted? couldn't you have shouted? couldn't he have shouted? couldn't we have shouted? couldn't you have shouted? couldn't they have shouted?
Perfeito com V-ing
couldn't I have been shouting? couldn't you have been shouting? couldn't he have been shouting? couldn't we have been shouting? couldn't you have been shouting? couldn't they have been shouting?