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 can't pan you can't pan he can't pan we can't pan you can't pan they can't pan	I can't be panning you can't be panning he can't be panning we can't be panning you can't be panning they can't be panning
Perfect	V-ing perfect
I can't have panned you can't have panned he can't have panned we can't have panned you can't have panned they can't have panned	I can't have been panning you can't have been panning he can't have been panning we can't have been panning you can't have been panning they can't 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't I pan? can't you pan? can't he pan? can't we pan? can't you pan? can't they pan?	can't I be panning? can't you be panning? can't he be panning? can't we be panning? can't you be panning? can't they be panning?
Perfect	V-ing perfect
can't I have panned? can't you have panned? can't he have panned? can't we have panned? can't you have panned? can't they have panned?	can't I have been panning? can't you have been panning? can't he have been panning? can't we have been panning? can't you have been panning? can't they have been panning?