I could packet you could packet he could packet we could packet you could packet they could packet
Forma com V-ing
I could be packeting you could be packeting he could be packeting we could be packeting you could be packeting they could be packeting
Perfeito
I could have packeted you could have packeted he could have packeted we could have packeted you could have packeted they could have packeted
Perfeito com V-ing
I could have been packeting you could have been packeting he could have been packeting we could have been packeting you could have been packeting they could have been packeting
Negação
Forma simple
I couldn't packet you couldn't packet he couldn't packet we couldn't packet you couldn't packet they couldn't packet
Forma com V-ing
I couldn't be packeting you couldn't be packeting he couldn't be packeting we couldn't be packeting you couldn't be packeting they couldn't be packeting
Perfeito
I couldn't have packeted you couldn't have packeted he couldn't have packeted we couldn't have packeted you couldn't have packeted they couldn't have packeted
Perfeito com V-ing
I couldn't have been packeting you couldn't have been packeting he couldn't have been packeting we couldn't have been packeting you couldn't have been packeting they couldn't have been packeting
Forma interrogativa
Forma simple
could I packet? could you packet? could he packet? could we packet? could you packet? could they packet?
Forma com V-ing
could I be packeting? could you be packeting? could he be packeting? could we be packeting? could you be packeting? could they be packeting?
Perfeito
could I have packeted? could you have packeted? could he have packeted? could we have packeted? could you have packeted? could they have packeted?
Perfeito com V-ing
could I have been packeting? could you have been packeting? could he have been packeting? could we have been packeting? could you have been packeting? could they have been packeting?
Forma interro-Negação
Forma simple
couldn't I packet? couldn't you packet? couldn't he packet? couldn't we packet? couldn't you packet? couldn't they packet?
Forma com V-ing
couldn't I be packeting? couldn't you be packeting? couldn't he be packeting? couldn't we be packeting? couldn't you be packeting? couldn't they be packeting?
Perfeito
couldn't I have packeted? couldn't you have packeted? couldn't he have packeted? couldn't we have packeted? couldn't you have packeted? couldn't they have packeted?
Perfeito com V-ing
couldn't I have been packeting? couldn't you have been packeting? couldn't he have been packeting? couldn't we have been packeting? couldn't you have been packeting? couldn't they have been packeting?