I can swallow you can swallow he can swallow we can swallow you can swallow they can swallow
Forma com V-ing
I can be swallowing you can be swallowing he can be swallowing we can be swallowing you can be swallowing they can be swallowing
Perfeito
I can have swallowed you can have swallowed he can have swallowed we can have swallowed you can have swallowed they can have swallowed
Perfeito com V-ing
I can have been swallowing you can have been swallowing he can have been swallowing we can have been swallowing you can have been swallowing they can have been swallowing
Negação
Forma simple
I can't swallow you can't swallow he can't swallow we can't swallow you can't swallow they can't swallow
Forma com V-ing
I can't be swallowing you can't be swallowing he can't be swallowing we can't be swallowing you can't be swallowing they can't be swallowing
Perfeito
I can't have swallowed you can't have swallowed he can't have swallowed we can't have swallowed you can't have swallowed they can't have swallowed
Perfeito com V-ing
I can't have been swallowing you can't have been swallowing he can't have been swallowing we can't have been swallowing you can't have been swallowing they can't have been swallowing
Forma interrogativa
Forma simple
can I swallow? can you swallow? can he swallow? can we swallow? can you swallow? can they swallow?
Forma com V-ing
can I be swallowing? can you be swallowing? can he be swallowing? can we be swallowing? can you be swallowing? can they be swallowing?
Perfeito
can I have swallowed? can you have swallowed? can he have swallowed? can we have swallowed? can you have swallowed? can they have swallowed?
Perfeito com V-ing
can I have been swallowing? can you have been swallowing? can he have been swallowing? can we have been swallowing? can you have been swallowing? can they have been swallowing?
Forma interro-Negação
Forma simple
can't I swallow? can't you swallow? can't he swallow? can't we swallow? can't you swallow? can't they swallow?
Forma com V-ing
can't I be swallowing? can't you be swallowing? can't he be swallowing? can't we be swallowing? can't you be swallowing? can't they be swallowing?
Perfeito
can't I have swallowed? can't you have swallowed? can't he have swallowed? can't we have swallowed? can't you have swallowed? can't they have swallowed?
Perfeito com V-ing
can't I have been swallowing? can't you have been swallowing? can't he have been swallowing? can't we have been swallowing? can't you have been swallowing? can't they have been swallowing?