I could medicine you could medicine she could medicine we could medicine you could medicine they could medicine
Forma com V-ing
I could be medicining you could be medicining she could be medicining we could be medicining you could be medicining they could be medicining
Perfeito
I could have medicined you could have medicined she 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 she 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 she 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 she 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 she 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 she 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 she medicine? could we medicine? could you medicine? could they medicine?
Forma com V-ing
could I be medicining? could you be medicining? could she be medicining? could we be medicining? could you be medicining? could they be medicining?
Perfeito
could I have medicined? could you have medicined? could she 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 she 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 she 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 she 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 she 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 she have been medicining? couldn't we have been medicining? couldn't you have been medicining? couldn't they have been medicining?