I could branch you could branch he could branch we could branch you could branch they could branch
Forma com V-ing
I could be branching you could be branching he could be branching we could be branching you could be branching they could be branching
Perfeito
I could have branched you could have branched he could have branched we could have branched you could have branched they could have branched
Perfeito com V-ing
I could have been branching you could have been branching he could have been branching we could have been branching you could have been branching they could have been branching
Negação
Forma simple
I couldn't branch you couldn't branch he couldn't branch we couldn't branch you couldn't branch they couldn't branch
Forma com V-ing
I couldn't be branching you couldn't be branching he couldn't be branching we couldn't be branching you couldn't be branching they couldn't be branching
Perfeito
I couldn't have branched you couldn't have branched he couldn't have branched we couldn't have branched you couldn't have branched they couldn't have branched
Perfeito com V-ing
I couldn't have been branching you couldn't have been branching he couldn't have been branching we couldn't have been branching you couldn't have been branching they couldn't have been branching
Forma interrogativa
Forma simple
could I branch? could you branch? could he branch? could we branch? could you branch? could they branch?
Forma com V-ing
could I be branching? could you be branching? could he be branching? could we be branching? could you be branching? could they be branching?
Perfeito
could I have branched? could you have branched? could he have branched? could we have branched? could you have branched? could they have branched?
Perfeito com V-ing
could I have been branching? could you have been branching? could he have been branching? could we have been branching? could you have been branching? could they have been branching?
Forma interro-Negação
Forma simple
couldn't I branch? couldn't you branch? couldn't he branch? couldn't we branch? couldn't you branch? couldn't they branch?
Forma com V-ing
couldn't I be branching? couldn't you be branching? couldn't he be branching? couldn't we be branching? couldn't you be branching? couldn't they be branching?
Perfeito
couldn't I have branched? couldn't you have branched? couldn't he have branched? couldn't we have branched? couldn't you have branched? couldn't they have branched?
Perfeito com V-ing
couldn't I have been branching? couldn't you have been branching? couldn't he have been branching? couldn't we have been branching? couldn't you have been branching? couldn't they have been branching?