English verb conjugation
COULD DESCANT

Regular verb: descant - descanted - descanted

Affirmation

Simple form	V-ing form
I could descant you could descant he could descant we could descant you could descant they could descant	I could be descanting you could be descanting he could be descanting we could be descanting you could be descanting they could be descanting
Perfect	V-ing perfect
I could have descanted you could have descanted he could have descanted we could have descanted you could have descanted they could have descanted	I could have been descanting you could have been descanting he could have been descanting we could have been descanting you could have been descanting they could have been descanting

Negation

Simple form	V-ing form
I could not descant you could not descant he could not descant we could not descant you could not descant they could not descant	I could not be descanting you could not be descanting he could not be descanting we could not be descanting you could not be descanting they could not be descanting
Perfect	V-ing perfect
I could not have descanted you could not have descanted he could not have descanted we could not have descanted you could not have descanted they could not have descanted	I could not have been descanting you could not have been descanting he could not have been descanting we could not have been descanting you could not have been descanting they could not have been descanting

Interrogative form

Simple form	V-ing form
could I descant? could you descant? could he descant? could we descant? could you descant? could they descant?	could I be descanting? could you be descanting? could he be descanting? could we be descanting? could you be descanting? could they be descanting?
Perfect	V-ing perfect
could I have descanted? could you have descanted? could he have descanted? could we have descanted? could you have descanted? could they have descanted?	could I have been descanting? could you have been descanting? could he have been descanting? could we have been descanting? could you have been descanting? could they have been descanting?

Interro-negative form

Simple form	V-ing form
could I not descant? could you not descant? could he not descant? could we not descant? could you not descant? could they not descant?	could I not be descanting? could you not be descanting? could he not be descanting? could we not be descanting? could you not be descanting? could they not be descanting?
Perfect	V-ing perfect
could I not have descanted? could you not have descanted? could he not have descanted? could we not have descanted? could you not have descanted? could they not have descanted?	could I not have been descanting? could you not have been descanting? could he not have been descanting? could we not have been descanting? could you not have been descanting? could they not have been descanting?