English verb conjugation
COULD ENCUMBER

Regular verb: encumber - encumbered - encumbered

Affirmation

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

Negation

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

Interrogative form

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

Interro-negative form

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