I can swallow you can swallow she can swallow we can swallow you can swallow they can swallow
Forma con V-ing
I can be swallowing you can be swallowing she can be swallowing we can be swallowing you can be swallowing they can be swallowing
Perfecto
I can have swallowed you can have swallowed she can have swallowed we can have swallowed you can have swallowed they can have swallowed
Perfecto con V-ing
I can have been swallowing you can have been swallowing she can have been swallowing we can have been swallowing you can have been swallowing they can have been swallowing
Negación
Forma simple
I can't swallow you can't swallow she can't swallow we can't swallow you can't swallow they can't swallow
Forma con V-ing
I can't be swallowing you can't be swallowing she can't be swallowing we can't be swallowing you can't be swallowing they can't be swallowing
Perfecto
I can't have swallowed you can't have swallowed she can't have swallowed we can't have swallowed you can't have swallowed they can't have swallowed
Perfecto con V-ing
I can't have been swallowing you can't have been swallowing she 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 she swallow? can we swallow? can you swallow? can they swallow?
Forma con V-ing
can I be swallowing? can you be swallowing? can she be swallowing? can we be swallowing? can you be swallowing? can they be swallowing?
Perfecto
can I have swallowed? can you have swallowed? can she have swallowed? can we have swallowed? can you have swallowed? can they have swallowed?
Perfecto con V-ing
can I have been swallowing? can you have been swallowing? can she have been swallowing? can we have been swallowing? can you have been swallowing? can they have been swallowing?
Forma interro-negativa
Forma simple
can't I swallow? can't you swallow? can't she swallow? can't we swallow? can't you swallow? can't they swallow?
Forma con V-ing
can't I be swallowing? can't you be swallowing? can't she be swallowing? can't we be swallowing? can't you be swallowing? can't they be swallowing?
Perfecto
can't I have swallowed? can't you have swallowed? can't she have swallowed? can't we have swallowed? can't you have swallowed? can't they have swallowed?
Perfecto con V-ing
can't I have been swallowing? can't you have been swallowing? can't she have been swallowing? can't we have been swallowing? can't you have been swallowing? can't they have been swallowing?