English verb conjugation
CAN SWALLOW

Regular verb: swallow - swallowed - swallowed

Affirmation

Simple form	V-ing form
I can swallow you can swallow she can swallow we can swallow you can swallow they can swallow	I can be swallowing you can be swallowing she can be swallowing we can be swallowing you can be swallowing they can be swallowing
Perfect	V-ing perfect
I can have swallowed you can have swallowed she can have swallowed we can have swallowed you can have swallowed they can have swallowed	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

Negation

Simple form	V-ing form
I can't swallow you can't swallow she can't swallow we can't swallow you can't swallow they can't swallow	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
Perfect	V-ing perfect
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	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

Interrogative form

Simple form	V-ing form
can I swallow? can you swallow? can she swallow? can we swallow? can you swallow? can they swallow?	can I be swallowing? can you be swallowing? can she be swallowing? can we be swallowing? can you be swallowing? can they be swallowing?
Perfect	V-ing perfect
can I have swallowed? can you have swallowed? can she have swallowed? can we have swallowed? can you have swallowed? can they have swallowed?	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?

Interro-negative form

Simple form	V-ing form
can't I swallow? can't you swallow? can't she swallow? can't we swallow? can't you swallow? can't they swallow?	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?
Perfect	V-ing perfect
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?	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?