English verb conjugation
CAN ENCUMBER

Regular verb: encumber - encumbered - encumbered

Affirmation

Simple form	V-ing form
I can encumber you can encumber he can encumber we can encumber you can encumber they can encumber	I can be encumbering you can be encumbering he can be encumbering we can be encumbering you can be encumbering they can be encumbering
Perfect	V-ing perfect
I can have encumbered you can have encumbered he can have encumbered we can have encumbered you can have encumbered they can have encumbered	I can have been encumbering you can have been encumbering he can have been encumbering we can have been encumbering you can have been encumbering they can have been encumbering

Negation

Simple form	V-ing form
I can't encumber you can't encumber he can't encumber we can't encumber you can't encumber they can't encumber	I can't be encumbering you can't be encumbering he can't be encumbering we can't be encumbering you can't be encumbering they can't be encumbering
Perfect	V-ing perfect
I can't have encumbered you can't have encumbered he can't have encumbered we can't have encumbered you can't have encumbered they can't have encumbered	I can't have been encumbering you can't have been encumbering he can't have been encumbering we can't have been encumbering you can't have been encumbering they can't have been encumbering

Interrogative form

Simple form	V-ing form
can I encumber? can you encumber? can he encumber? can we encumber? can you encumber? can they encumber?	can I be encumbering? can you be encumbering? can he be encumbering? can we be encumbering? can you be encumbering? can they be encumbering?
Perfect	V-ing perfect
can I have encumbered? can you have encumbered? can he have encumbered? can we have encumbered? can you have encumbered? can they have encumbered?	can I have been encumbering? can you have been encumbering? can he have been encumbering? can we have been encumbering? can you have been encumbering? can they have been encumbering?

Interro-negative form

Simple form	V-ing form
can't I encumber? can't you encumber? can't he encumber? can't we encumber? can't you encumber? can't they encumber?	can't I be encumbering? can't you be encumbering? can't he be encumbering? can't we be encumbering? can't you be encumbering? can't they be encumbering?
Perfect	V-ing perfect
can't I have encumbered? can't you have encumbered? can't he have encumbered? can't we have encumbered? can't you have encumbered? can't they have encumbered?	can't I have been encumbering? can't you have been encumbering? can't he have been encumbering? can't we have been encumbering? can't you have been encumbering? can't they have been encumbering?