English verb conjugation
COULD UNBURDEN

Regular verb: unburden - unburdened - unburdened

Affirmation

Simple form	V-ing form
I could unburden you could unburden he could unburden we could unburden you could unburden they could unburden	I could be unburdening you could be unburdening he could be unburdening we could be unburdening you could be unburdening they could be unburdening
Perfect	V-ing perfect
I could have unburdened you could have unburdened he could have unburdened we could have unburdened you could have unburdened they could have unburdened	I could have been unburdening you could have been unburdening he could have been unburdening we could have been unburdening you could have been unburdening they could have been unburdening

Negation

Simple form	V-ing form
I couldn't unburden you couldn't unburden he couldn't unburden we couldn't unburden you couldn't unburden they couldn't unburden	I couldn't be unburdening you couldn't be unburdening he couldn't be unburdening we couldn't be unburdening you couldn't be unburdening they couldn't be unburdening
Perfect	V-ing perfect
I couldn't have unburdened you couldn't have unburdened he couldn't have unburdened we couldn't have unburdened you couldn't have unburdened they couldn't have unburdened	I couldn't have been unburdening you couldn't have been unburdening he couldn't have been unburdening we couldn't have been unburdening you couldn't have been unburdening they couldn't have been unburdening

Interrogative form

Simple form	V-ing form
could I unburden? could you unburden? could he unburden? could we unburden? could you unburden? could they unburden?	could I be unburdening? could you be unburdening? could he be unburdening? could we be unburdening? could you be unburdening? could they be unburdening?
Perfect	V-ing perfect
could I have unburdened? could you have unburdened? could he have unburdened? could we have unburdened? could you have unburdened? could they have unburdened?	could I have been unburdening? could you have been unburdening? could he have been unburdening? could we have been unburdening? could you have been unburdening? could they have been unburdening?

Interro-negative form

Simple form	V-ing form
couldn't I unburden? couldn't you unburden? couldn't he unburden? couldn't we unburden? couldn't you unburden? couldn't they unburden?	couldn't I be unburdening? couldn't you be unburdening? couldn't he be unburdening? couldn't we be unburdening? couldn't you be unburdening? couldn't they be unburdening?
Perfect	V-ing perfect
couldn't I have unburdened? couldn't you have unburdened? couldn't he have unburdened? couldn't we have unburdened? couldn't you have unburdened? couldn't they have unburdened?	couldn't I have been unburdening? couldn't you have been unburdening? couldn't he have been unburdening? couldn't we have been unburdening? couldn't you have been unburdening? couldn't they have been unburdening?