I could overcome you could overcome he could overcome we could overcome you could overcome they could overcome
Forma con V-ing
I could be overcoming you could be overcoming he could be overcoming we could be overcoming you could be overcoming they could be overcoming
Perfecto
I could have overcome you could have overcome he could have overcome we could have overcome you could have overcome they could have overcome
Perfecto con V-ing
I could have been overcoming you could have been overcoming he could have been overcoming we could have been overcoming you could have been overcoming they could have been overcoming
Negación
Forma simple
I couldn't overcome you couldn't overcome he couldn't overcome we couldn't overcome you couldn't overcome they couldn't overcome
Forma con V-ing
I couldn't be overcoming you couldn't be overcoming he couldn't be overcoming we couldn't be overcoming you couldn't be overcoming they couldn't be overcoming
Perfecto
I couldn't have overcome you couldn't have overcome he couldn't have overcome we couldn't have overcome you couldn't have overcome they couldn't have overcome
Perfecto con V-ing
I couldn't have been overcoming you couldn't have been overcoming he couldn't have been overcoming we couldn't have been overcoming you couldn't have been overcoming they couldn't have been overcoming
Forma interrogativa
Forma simple
could I overcome? could you overcome? could he overcome? could we overcome? could you overcome? could they overcome?
Forma con V-ing
could I be overcoming? could you be overcoming? could he be overcoming? could we be overcoming? could you be overcoming? could they be overcoming?
Perfecto
could I have overcome? could you have overcome? could he have overcome? could we have overcome? could you have overcome? could they have overcome?
Perfecto con V-ing
could I have been overcoming? could you have been overcoming? could he have been overcoming? could we have been overcoming? could you have been overcoming? could they have been overcoming?
Forma interro-negativa
Forma simple
couldn't I overcome? couldn't you overcome? couldn't he overcome? couldn't we overcome? couldn't you overcome? couldn't they overcome?
Forma con V-ing
couldn't I be overcoming? couldn't you be overcoming? couldn't he be overcoming? couldn't we be overcoming? couldn't you be overcoming? couldn't they be overcoming?
Perfecto
couldn't I have overcome? couldn't you have overcome? couldn't he have overcome? couldn't we have overcome? couldn't you have overcome? couldn't they have overcome?
Perfecto con V-ing
couldn't I have been overcoming? couldn't you have been overcoming? couldn't he have been overcoming? couldn't we have been overcoming? couldn't you have been overcoming? couldn't they have been overcoming?