I could stress you could stress he could stress we could stress you could stress they could stress
Forma com V-ing
I could be stressing you could be stressing he could be stressing we could be stressing you could be stressing they could be stressing
Perfeito
I could have stressed you could have stressed he could have stressed we could have stressed you could have stressed they could have stressed
Perfeito com V-ing
I could have been stressing you could have been stressing he could have been stressing we could have been stressing you could have been stressing they could have been stressing
Negação
Forma simple
I could not stress you could not stress he could not stress we could not stress you could not stress they could not stress
Forma com V-ing
I could not be stressing you could not be stressing he could not be stressing we could not be stressing you could not be stressing they could not be stressing
Perfeito
I could not have stressed you could not have stressed he could not have stressed we could not have stressed you could not have stressed they could not have stressed
Perfeito com V-ing
I could not have been stressing you could not have been stressing he could not have been stressing we could not have been stressing you could not have been stressing they could not have been stressing
Forma interrogativa
Forma simple
could I stress? could you stress? could he stress? could we stress? could you stress? could they stress?
Forma com V-ing
could I be stressing? could you be stressing? could he be stressing? could we be stressing? could you be stressing? could they be stressing?
Perfeito
could I have stressed? could you have stressed? could he have stressed? could we have stressed? could you have stressed? could they have stressed?
Perfeito com V-ing
could I have been stressing? could you have been stressing? could he have been stressing? could we have been stressing? could you have been stressing? could they have been stressing?
Forma interro-Negação
Forma simple
could I not stress? could you not stress? could he not stress? could we not stress? could you not stress? could they not stress?
Forma com V-ing
could I not be stressing? could you not be stressing? could he not be stressing? could we not be stressing? could you not be stressing? could they not be stressing?
Perfeito
could I not have stressed? could you not have stressed? could he not have stressed? could we not have stressed? could you not have stressed? could they not have stressed?
Perfeito com V-ing
could I not have been stressing? could you not have been stressing? could he not have been stressing? could we not have been stressing? could you not have been stressing? could they not have been stressing?