English verb conjugation
COULD PLUME

Regular verb: plume - plumed - plumed

Affirmation

Simple form	V-ing form
I could plume you could plume he could plume we could plume you could plume they could plume	I could be pluming you could be pluming he could be pluming we could be pluming you could be pluming they could be pluming
Perfect	V-ing perfect
I could have plumed you could have plumed he could have plumed we could have plumed you could have plumed they could have plumed	I could have been pluming you could have been pluming he could have been pluming we could have been pluming you could have been pluming they could have been pluming

Negation

Simple form	V-ing form
I couldn't plume you couldn't plume he couldn't plume we couldn't plume you couldn't plume they couldn't plume	I couldn't be pluming you couldn't be pluming he couldn't be pluming we couldn't be pluming you couldn't be pluming they couldn't be pluming
Perfect	V-ing perfect
I couldn't have plumed you couldn't have plumed he couldn't have plumed we couldn't have plumed you couldn't have plumed they couldn't have plumed	I couldn't have been pluming you couldn't have been pluming he couldn't have been pluming we couldn't have been pluming you couldn't have been pluming they couldn't have been pluming

Interrogative form

Simple form	V-ing form
could I plume? could you plume? could he plume? could we plume? could you plume? could they plume?	could I be pluming? could you be pluming? could he be pluming? could we be pluming? could you be pluming? could they be pluming?
Perfect	V-ing perfect
could I have plumed? could you have plumed? could he have plumed? could we have plumed? could you have plumed? could they have plumed?	could I have been pluming? could you have been pluming? could he have been pluming? could we have been pluming? could you have been pluming? could they have been pluming?

Interro-negative form

Simple form	V-ing form
couldn't I plume? couldn't you plume? couldn't he plume? couldn't we plume? couldn't you plume? couldn't they plume?	couldn't I be pluming? couldn't you be pluming? couldn't he be pluming? couldn't we be pluming? couldn't you be pluming? couldn't they be pluming?
Perfect	V-ing perfect
couldn't I have plumed? couldn't you have plumed? couldn't he have plumed? couldn't we have plumed? couldn't you have plumed? couldn't they have plumed?	couldn't I have been pluming? couldn't you have been pluming? couldn't he have been pluming? couldn't we have been pluming? couldn't you have been pluming? couldn't they have been pluming?