I could medicine you could medicine he could medicine we could medicine you could medicine they could medicine
Forma com V-ing
I could be medicining you could be medicining he could be medicining we could be medicining you could be medicining they could be medicining
Perfeito
I could have medicined you could have medicined he could have medicined we could have medicined you could have medicined they could have medicined
Perfeito com V-ing
I could have been medicining you could have been medicining he could have been medicining we could have been medicining you could have been medicining they could have been medicining
Negação
Forma simple
I couldn't medicine you couldn't medicine he couldn't medicine we couldn't medicine you couldn't medicine they couldn't medicine
Forma com V-ing
I couldn't be medicining you couldn't be medicining he couldn't be medicining we couldn't be medicining you couldn't be medicining they couldn't be medicining
Perfeito
I couldn't have medicined you couldn't have medicined he couldn't have medicined we couldn't have medicined you couldn't have medicined they couldn't have medicined
Perfeito com V-ing
I couldn't have been medicining you couldn't have been medicining he couldn't have been medicining we couldn't have been medicining you couldn't have been medicining they couldn't have been medicining
Forma interrogativa
Forma simple
could I medicine? could you medicine? could he medicine? could we medicine? could you medicine? could they medicine?
Forma com V-ing
could I be medicining? could you be medicining? could he be medicining? could we be medicining? could you be medicining? could they be medicining?
Perfeito
could I have medicined? could you have medicined? could he have medicined? could we have medicined? could you have medicined? could they have medicined?
Perfeito com V-ing
could I have been medicining? could you have been medicining? could he have been medicining? could we have been medicining? could you have been medicining? could they have been medicining?
Forma interro-Negação
Forma simple
couldn't I medicine? couldn't you medicine? couldn't he medicine? couldn't we medicine? couldn't you medicine? couldn't they medicine?
Forma com V-ing
couldn't I be medicining? couldn't you be medicining? couldn't he be medicining? couldn't we be medicining? couldn't you be medicining? couldn't they be medicining?
Perfeito
couldn't I have medicined? couldn't you have medicined? couldn't he have medicined? couldn't we have medicined? couldn't you have medicined? couldn't they have medicined?
Perfeito com V-ing
couldn't I have been medicining? couldn't you have been medicining? couldn't he have been medicining? couldn't we have been medicining? couldn't you have been medicining? couldn't they have been medicining?