I could chase you could chase she could chase we could chase you could chase they could chase
Forma com V-ing
I could be chasing you could be chasing she could be chasing we could be chasing you could be chasing they could be chasing
Perfeito
I could have chased you could have chased she could have chased we could have chased you could have chased they could have chased
Perfeito com V-ing
I could have been chasing you could have been chasing she could have been chasing we could have been chasing you could have been chasing they could have been chasing
Negação
Forma simple
I could not chase you could not chase she could not chase we could not chase you could not chase they could not chase
Forma com V-ing
I could not be chasing you could not be chasing she could not be chasing we could not be chasing you could not be chasing they could not be chasing
Perfeito
I could not have chased you could not have chased she could not have chased we could not have chased you could not have chased they could not have chased
Perfeito com V-ing
I could not have been chasing you could not have been chasing she could not have been chasing we could not have been chasing you could not have been chasing they could not have been chasing
Forma interrogativa
Forma simple
could I chase? could you chase? could she chase? could we chase? could you chase? could they chase?
Forma com V-ing
could I be chasing? could you be chasing? could she be chasing? could we be chasing? could you be chasing? could they be chasing?
Perfeito
could I have chased? could you have chased? could she have chased? could we have chased? could you have chased? could they have chased?
Perfeito com V-ing
could I have been chasing? could you have been chasing? could she have been chasing? could we have been chasing? could you have been chasing? could they have been chasing?
Forma interro-Negação
Forma simple
could I not chase? could you not chase? could she not chase? could we not chase? could you not chase? could they not chase?
Forma com V-ing
could I not be chasing? could you not be chasing? could she not be chasing? could we not be chasing? could you not be chasing? could they not be chasing?
Perfeito
could I not have chased? could you not have chased? could she not have chased? could we not have chased? could you not have chased? could they not have chased?
Perfeito com V-ing
could I not have been chasing? could you not have been chasing? could she not have been chasing? could we not have been chasing? could you not have been chasing? could they not have been chasing?