English verb conjugation
CAN PAN

Regular verb: pan - panned - panned

Affirmation

Simple form	V-ing form
I can pan you can pan he can pan we can pan you can pan they can pan	I can be panning you can be panning he can be panning we can be panning you can be panning they can be panning
Perfect	V-ing perfect
I can have panned you can have panned he can have panned we can have panned you can have panned they can have panned	I can have been panning you can have been panning he can have been panning we can have been panning you can have been panning they can have been panning

Negation

Simple form	V-ing form
I cannot pan you cannot pan he cannot pan we cannot pan you cannot pan they cannot pan	I cannot be panning you cannot be panning he cannot be panning we cannot be panning you cannot be panning they cannot be panning
Perfect	V-ing perfect
I cannot have panned you cannot have panned he cannot have panned we cannot have panned you cannot have panned they cannot have panned	I cannot have been panning you cannot have been panning he cannot have been panning we cannot have been panning you cannot have been panning they cannot have been panning

Interrogative form

Simple form	V-ing form
can I pan? can you pan? can he pan? can we pan? can you pan? can they pan?	can I be panning? can you be panning? can he be panning? can we be panning? can you be panning? can they be panning?
Perfect	V-ing perfect
can I have panned? can you have panned? can he have panned? can we have panned? can you have panned? can they have panned?	can I have been panning? can you have been panning? can he have been panning? can we have been panning? can you have been panning? can they have been panning?

Interro-negative form

Simple form	V-ing form
can I not pan? can you not pan? can he not pan? can we not pan? can you not pan? can they not pan?	can I not be panning? can you not be panning? can he not be panning? can we not be panning? can you not be panning? can they not be panning?
Perfect	V-ing perfect
can I not have panned? can you not have panned? can he not have panned? can we not have panned? can you not have panned? can they not have panned?	can I not have been panning? can you not have been panning? can he not have been panning? can we not have been panning? can you not have been panning? can they not have been panning?