I could round you could round he could round we could round you could round they could round
Forma com V-ing
I could be rounding you could be rounding he could be rounding we could be rounding you could be rounding they could be rounding
Perfeito
I could have rounded you could have rounded he could have rounded we could have rounded you could have rounded they could have rounded
Perfeito com V-ing
I could have been rounding you could have been rounding he could have been rounding we could have been rounding you could have been rounding they could have been rounding
Negação
Forma simple
I couldn't round you couldn't round he couldn't round we couldn't round you couldn't round they couldn't round
Forma com V-ing
I couldn't be rounding you couldn't be rounding he couldn't be rounding we couldn't be rounding you couldn't be rounding they couldn't be rounding
Perfeito
I couldn't have rounded you couldn't have rounded he couldn't have rounded we couldn't have rounded you couldn't have rounded they couldn't have rounded
Perfeito com V-ing
I couldn't have been rounding you couldn't have been rounding he couldn't have been rounding we couldn't have been rounding you couldn't have been rounding they couldn't have been rounding
Forma interrogativa
Forma simple
could I round? could you round? could he round? could we round? could you round? could they round?
Forma com V-ing
could I be rounding? could you be rounding? could he be rounding? could we be rounding? could you be rounding? could they be rounding?
Perfeito
could I have rounded? could you have rounded? could he have rounded? could we have rounded? could you have rounded? could they have rounded?
Perfeito com V-ing
could I have been rounding? could you have been rounding? could he have been rounding? could we have been rounding? could you have been rounding? could they have been rounding?
Forma interro-Negação
Forma simple
couldn't I round? couldn't you round? couldn't he round? couldn't we round? couldn't you round? couldn't they round?
Forma com V-ing
couldn't I be rounding? couldn't you be rounding? couldn't he be rounding? couldn't we be rounding? couldn't you be rounding? couldn't they be rounding?
Perfeito
couldn't I have rounded? couldn't you have rounded? couldn't he have rounded? couldn't we have rounded? couldn't you have rounded? couldn't they have rounded?
Perfeito com V-ing
couldn't I have been rounding? couldn't you have been rounding? couldn't he have been rounding? couldn't we have been rounding? couldn't you have been rounding? couldn't they have been rounding?