I could calk you could calk she could calk we could calk you could calk they could calk
Forma com V-ing
I could be calking you could be calking she could be calking we could be calking you could be calking they could be calking
Perfeito
I could have calked you could have calked she could have calked we could have calked you could have calked they could have calked
Perfeito com V-ing
I could have been calking you could have been calking she could have been calking we could have been calking you could have been calking they could have been calking
Negação
Forma simple
I couldn't calk you couldn't calk she couldn't calk we couldn't calk you couldn't calk they couldn't calk
Forma com V-ing
I couldn't be calking you couldn't be calking she couldn't be calking we couldn't be calking you couldn't be calking they couldn't be calking
Perfeito
I couldn't have calked you couldn't have calked she couldn't have calked we couldn't have calked you couldn't have calked they couldn't have calked
Perfeito com V-ing
I couldn't have been calking you couldn't have been calking she couldn't have been calking we couldn't have been calking you couldn't have been calking they couldn't have been calking
Forma interrogativa
Forma simple
could I calk? could you calk? could she calk? could we calk? could you calk? could they calk?
Forma com V-ing
could I be calking? could you be calking? could she be calking? could we be calking? could you be calking? could they be calking?
Perfeito
could I have calked? could you have calked? could she have calked? could we have calked? could you have calked? could they have calked?
Perfeito com V-ing
could I have been calking? could you have been calking? could she have been calking? could we have been calking? could you have been calking? could they have been calking?
Forma interro-Negação
Forma simple
couldn't I calk? couldn't you calk? couldn't she calk? couldn't we calk? couldn't you calk? couldn't they calk?
Forma com V-ing
couldn't I be calking? couldn't you be calking? couldn't she be calking? couldn't we be calking? couldn't you be calking? couldn't they be calking?
Perfeito
couldn't I have calked? couldn't you have calked? couldn't she have calked? couldn't we have calked? couldn't you have calked? couldn't they have calked?
Perfeito com V-ing
couldn't I have been calking? couldn't you have been calking? couldn't she have been calking? couldn't we have been calking? couldn't you have been calking? couldn't they have been calking?