could intone
Regular verb: intone - intoned- intoned

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
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	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 	Perfect 	V-ing perfect 	
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	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 	Perfect 	V-ing perfect 	
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? 	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 	Perfect 	V-ing perfect 	
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? 	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?