English verb conjugation
COULD IMPANEL

Regular verb: impanel - impanelled - impanelled

Affirmation

Simple form	V-ing form
I could impanel you could impanel she could impanel we could impanel you could impanel they could impanel	I could be impanelling you could be impanelling she 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 she 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 she 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 couldn't impanel you couldn't impanel she couldn't impanel we couldn't impanel you couldn't impanel they couldn't impanel	I couldn't be impanelling you couldn't be impanelling she couldn't be impanelling we couldn't be impanelling you couldn't be impanelling they couldn't be impanelling
Perfect	V-ing perfect
I couldn't have impanelled you couldn't have impanelled she couldn't have impanelled we couldn't have impanelled you couldn't have impanelled they couldn't have impanelled	I couldn't have been impanelling you couldn't have been impanelling she couldn't have been impanelling we couldn't have been impanelling you couldn't have been impanelling they couldn't have been impanelling

Interrogative form

Simple form	V-ing form
could I impanel? could you impanel? could she impanel? could we impanel? could you impanel? could they impanel?	could I be impanelling? could you be impanelling? could she 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 she 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 she 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
couldn't I impanel? couldn't you impanel? couldn't she impanel? couldn't we impanel? couldn't you impanel? couldn't they impanel?	couldn't I be impanelling? couldn't you be impanelling? couldn't she be impanelling? couldn't we be impanelling? couldn't you be impanelling? couldn't they be impanelling?
Perfect	V-ing perfect
couldn't I have impanelled? couldn't you have impanelled? couldn't she have impanelled? couldn't we have impanelled? couldn't you have impanelled? couldn't they have impanelled?	couldn't I have been impanelling? couldn't you have been impanelling? couldn't she have been impanelling? couldn't we have been impanelling? couldn't you have been impanelling? couldn't they have been impanelling?