English verb conjugation
COULD IMPANEL

Regular verb: impanel - impanelled - impanelled

Affirmation

Simple form	V-ing form
I could impanel you could impanel he could impanel we could impanel you could impanel they could impanel	I could be impanelling you could be impanelling he could be impanelling we could be impanelling you could be impanelling they could be impanelling
Perfect	V-ing perfect
I could have impanelled you could have impanelled he could have impanelled we could have impanelled you could have impanelled they could have impanelled	I could have been impanelling you could have been impanelling he could have been impanelling we could have been impanelling you could have been impanelling they could have been impanelling

Negation

Simple form	V-ing form
I could not impanel you could not impanel he could not impanel we could not impanel you could not impanel they could not impanel	I could not be impanelling you could not be impanelling he could not be impanelling we could not be impanelling you could not be impanelling they could not be impanelling
Perfect	V-ing perfect
I could not have impanelled you could not have impanelled he could not have impanelled we could not have impanelled you could not have impanelled they could not have impanelled	I could not have been impanelling you could not have been impanelling he could not have been impanelling we could not have been impanelling you could not have been impanelling they could not have been impanelling

Interrogative form

Simple form	V-ing form
could I impanel? could you impanel? could he impanel? could we impanel? could you impanel? could they impanel?	could I be impanelling? could you be impanelling? could he be impanelling? could we be impanelling? could you be impanelling? could they be impanelling?
Perfect	V-ing perfect
could I have impanelled? could you have impanelled? could he have impanelled? could we have impanelled? could you have impanelled? could they have impanelled?	could I have been impanelling? could you have been impanelling? could he have been impanelling? could we have been impanelling? could you have been impanelling? could they have been impanelling?

Interro-negative form

Simple form	V-ing form
could I not impanel? could you not impanel? could he not impanel? could we not impanel? could you not impanel? could they not impanel?	could I not be impanelling? could you not be impanelling? could he not be impanelling? could we not be impanelling? could you not be impanelling? could they not be impanelling?
Perfect	V-ing perfect
could I not have impanelled? could you not have impanelled? could he not have impanelled? could we not have impanelled? could you not have impanelled? could they not have impanelled?	could I not have been impanelling? could you not have been impanelling? could he not have been impanelling? could we not have been impanelling? could you not have been impanelling? could they not have been impanelling?