English verb conjugation
COULD INFLECT

Regular verb: inflect - inflected - inflected

Affirmation

Simple form	V-ing form
I could inflect you could inflect she could inflect we could inflect you could inflect they could inflect	I could be inflecting you could be inflecting she could be inflecting we could be inflecting you could be inflecting they could be inflecting
Perfect	V-ing perfect
I could have inflected you could have inflected she could have inflected we could have inflected you could have inflected they could have inflected	I could have been inflecting you could have been inflecting she could have been inflecting we could have been inflecting you could have been inflecting they could have been inflecting

Negation

Simple form	V-ing form
I could not inflect you could not inflect she could not inflect we could not inflect you could not inflect they could not inflect	I could not be inflecting you could not be inflecting she could not be inflecting we could not be inflecting you could not be inflecting they could not be inflecting
Perfect	V-ing perfect
I could not have inflected you could not have inflected she could not have inflected we could not have inflected you could not have inflected they could not have inflected	I could not have been inflecting you could not have been inflecting she could not have been inflecting we could not have been inflecting you could not have been inflecting they could not have been inflecting

Interrogative form

Simple form	V-ing form
could I inflect? could you inflect? could she inflect? could we inflect? could you inflect? could they inflect?	could I be inflecting? could you be inflecting? could she be inflecting? could we be inflecting? could you be inflecting? could they be inflecting?
Perfect	V-ing perfect
could I have inflected? could you have inflected? could she have inflected? could we have inflected? could you have inflected? could they have inflected?	could I have been inflecting? could you have been inflecting? could she have been inflecting? could we have been inflecting? could you have been inflecting? could they have been inflecting?

Interro-negative form

Simple form	V-ing form
could I not inflect? could you not inflect? could she not inflect? could we not inflect? could you not inflect? could they not inflect?	could I not be inflecting? could you not be inflecting? could she not be inflecting? could we not be inflecting? could you not be inflecting? could they not be inflecting?
Perfect	V-ing perfect
could I not have inflected? could you not have inflected? could she not have inflected? could we not have inflected? could you not have inflected? could they not have inflected?	could I not have been inflecting? could you not have been inflecting? could she not have been inflecting? could we not have been inflecting? could you not have been inflecting? could they not have been inflecting?