I could combat you could combat he could combat we could combat you could combat they could combat
Forma com V-ing
I could be combating you could be combating he could be combating we could be combating you could be combating they could be combating
Perfeito
I could have combated you could have combated he could have combated we could have combated you could have combated they could have combated
Perfeito com V-ing
I could have been combating you could have been combating he could have been combating we could have been combating you could have been combating they could have been combating
Negação
Forma simple
I couldn't combat you couldn't combat he couldn't combat we couldn't combat you couldn't combat they couldn't combat
Forma com V-ing
I couldn't be combating you couldn't be combating he couldn't be combating we couldn't be combating you couldn't be combating they couldn't be combating
Perfeito
I couldn't have combated you couldn't have combated he couldn't have combated we couldn't have combated you couldn't have combated they couldn't have combated
Perfeito com V-ing
I couldn't have been combating you couldn't have been combating he couldn't have been combating we couldn't have been combating you couldn't have been combating they couldn't have been combating
Forma interrogativa
Forma simple
could I combat? could you combat? could he combat? could we combat? could you combat? could they combat?
Forma com V-ing
could I be combating? could you be combating? could he be combating? could we be combating? could you be combating? could they be combating?
Perfeito
could I have combated? could you have combated? could he have combated? could we have combated? could you have combated? could they have combated?
Perfeito com V-ing
could I have been combating? could you have been combating? could he have been combating? could we have been combating? could you have been combating? could they have been combating?
Forma interro-Negação
Forma simple
couldn't I combat? couldn't you combat? couldn't he combat? couldn't we combat? couldn't you combat? couldn't they combat?
Forma com V-ing
couldn't I be combating? couldn't you be combating? couldn't he be combating? couldn't we be combating? couldn't you be combating? couldn't they be combating?
Perfeito
couldn't I have combated? couldn't you have combated? couldn't he have combated? couldn't we have combated? couldn't you have combated? couldn't they have combated?
Perfeito com V-ing
couldn't I have been combating? couldn't you have been combating? couldn't he have been combating? couldn't we have been combating? couldn't you have been combating? couldn't they have been combating?