could fleer
Regular verb: fleer - fleered- fleered

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could fleer
you could fleer
he could fleer
we could fleer
you could fleer
they could fleer 	I could be fleering
you could be fleering
he could be fleering
we could be fleering
you could be fleering
they could be fleering	I could have fleered
you could have fleered
he could have fleered
we could have fleered
you could have fleered
they could have fleered	I could have been fleering
you could have been fleering
he could have been fleering
we could have been fleering
you could have been fleering
they could have been fleering	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could not fleer
you could not fleer
he could not fleer
we could not fleer
you could not fleer
they could not fleer 	I could not be fleering
you could not be fleering
he could not be fleering
we could not be fleering
you could not be fleering
they could not be fleering	I could not have fleered
you could not have fleered
he could not have fleered
we could not have fleered
you could not have fleered
they could not have fleered	I could not have been fleering
you could not have been fleering
he could not have been fleering
we could not have been fleering
you could not have been fleering
they could not have been fleering	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I fleer?
could you fleer?
could he fleer?
could we fleer?
could you fleer?
could they fleer? 	could I be fleering?
could you be fleering?
could he be fleering?
could we be fleering?
could you be fleering?
could they be fleering? 	could I have fleered?
could you have fleered?
could he have fleered?
could we have fleered?
could you have fleered?
could they have fleered? 	could I have been fleering?
could you have been fleering?
could he have been fleering?
could we have been fleering?
could you have been fleering?
could they have been fleering? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I not fleer?
could you not fleer?
could he not fleer?
could we not fleer?
could you not fleer?
could they not fleer? 	could I not be fleering?
could you not be fleering?
could he not be fleering?
could we not be fleering?
could you not be fleering?
could they not be fleering? 	could I not have fleered?
could you not have fleered?
could he not have fleered?
could we not have fleered?
could you not have fleered?
could they not have fleered? 	could I not have been fleering?
could you not have been fleering?
could he not have been fleering?
could we not have been fleering?
could you not have been fleering?
could they not have been fleering?