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 cannot swallow you cannot swallow she cannot swallow we cannot swallow you cannot swallow they cannot swallow
Forma con V-ing
I cannot be swallowing you cannot be swallowing she cannot be swallowing we cannot be swallowing you cannot be swallowing they cannot be swallowing
Perfecto
I cannot have swallowed you cannot have swallowed she cannot have swallowed we cannot have swallowed you cannot have swallowed they cannot have swallowed
Perfecto con V-ing
I cannot have been swallowing you cannot have been swallowing she cannot have been swallowing we cannot have been swallowing you cannot have been swallowing they cannot 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 I not swallow? can you not swallow? can she not swallow? can we not swallow? can you not swallow? can they not swallow?
Forma con V-ing
can I not be swallowing? can you not be swallowing? can she not be swallowing? can we not be swallowing? can you not be swallowing? can they not be swallowing?
Perfecto
can I not have swallowed? can you not have swallowed? can she not have swallowed? can we not have swallowed? can you not have swallowed? can they not have swallowed?
Perfecto con V-ing
can I not have been swallowing? can you not have been swallowing? can she not have been swallowing? can we not have been swallowing? can you not have been swallowing? can they not have been swallowing?