English verb conjugation
COULD INTONE

Regular verb: intone - intoned - intoned

Affirmation

Simple form	V-ing form
I could intone you could intone he could intone we could intone you could intone they could intone	I could be intoning you could be intoning he could be intoning we could be intoning you could be intoning they could be intoning
Perfect	V-ing perfect
I could have intoned you could have intoned he could have intoned we could have intoned you could have intoned they could have intoned	I could have been intoning you could have been intoning he could have been intoning we could have been intoning you could have been intoning they could have been intoning

Negation

Simple form	V-ing form
I could not intone you could not intone he could not intone we could not intone you could not intone they could not intone	I could not be intoning you could not be intoning he could not be intoning we could not be intoning you could not be intoning they could not be intoning
Perfect	V-ing perfect
I could not have intoned you could not have intoned he could not have intoned we could not have intoned you could not have intoned they could not have intoned	I could not have been intoning you could not have been intoning he could not have been intoning we could not have been intoning you could not have been intoning they could not have been intoning

Interrogative form

Simple form	V-ing form
could I intone? could you intone? could he intone? could we intone? could you intone? could they intone?	could I be intoning? could you be intoning? could he be intoning? could we be intoning? could you be intoning? could they be intoning?
Perfect	V-ing perfect
could I have intoned? could you have intoned? could he have intoned? could we have intoned? could you have intoned? could they have intoned?	could I have been intoning? could you have been intoning? could he have been intoning? could we have been intoning? could you have been intoning? could they have been intoning?

Interro-negative form

Simple form	V-ing form
could I not intone? could you not intone? could he not intone? could we not intone? could you not intone? could they not intone?	could I not be intoning? could you not be intoning? could he not be intoning? could we not be intoning? could you not be intoning? could they not be intoning?
Perfect	V-ing perfect
could I not have intoned? could you not have intoned? could he not have intoned? could we not have intoned? could you not have intoned? could they not have intoned?	could I not have been intoning? could you not have been intoning? could he not have been intoning? could we not have been intoning? could you not have been intoning? could they not have been intoning?