I could swallow you could swallow she could swallow we could swallow you could swallow they could swallow
Forma com V-ing
I could be swallowing you could be swallowing she could be swallowing we could be swallowing you could be swallowing they could be swallowing
Perfeito
I could have swallowed you could have swallowed she could have swallowed we could have swallowed you could have swallowed they could have swallowed
Perfeito com V-ing
I could have been swallowing you could have been swallowing she could have been swallowing we could have been swallowing you could have been swallowing they could have been swallowing
Negação
Forma simple
I could not swallow you could not swallow she could not swallow we could not swallow you could not swallow they could not swallow
Forma com V-ing
I could not be swallowing you could not be swallowing she could not be swallowing we could not be swallowing you could not be swallowing they could not be swallowing
Perfeito
I could not have swallowed you could not have swallowed she could not have swallowed we could not have swallowed you could not have swallowed they could not have swallowed
Perfeito com V-ing
I could not have been swallowing you could not have been swallowing she could not have been swallowing we could not have been swallowing you could not have been swallowing they could not have been swallowing
Forma interrogativa
Forma simple
could I swallow? could you swallow? could she swallow? could we swallow? could you swallow? could they swallow?
Forma com V-ing
could I be swallowing? could you be swallowing? could she be swallowing? could we be swallowing? could you be swallowing? could they be swallowing?
Perfeito
could I have swallowed? could you have swallowed? could she have swallowed? could we have swallowed? could you have swallowed? could they have swallowed?
Perfeito com V-ing
could I have been swallowing? could you have been swallowing? could she have been swallowing? could we have been swallowing? could you have been swallowing? could they have been swallowing?
Forma interro-Negação
Forma simple
could I not swallow? could you not swallow? could she not swallow? could we not swallow? could you not swallow? could they not swallow?
Forma com V-ing
could I not be swallowing? could you not be swallowing? could she not be swallowing? could we not be swallowing? could you not be swallowing? could they not be swallowing?
Perfeito
could I not have swallowed? could you not have swallowed? could she not have swallowed? could we not have swallowed? could you not have swallowed? could they not have swallowed?
Perfeito com V-ing
could I not have been swallowing? could you not have been swallowing? could she not have been swallowing? could we not have been swallowing? could you not have been swallowing? could they not have been swallowing?