could jeer
Regular verb: jeer - jeered- jeered

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could jeer
you could jeer
she could jeer
we could jeer
you could jeer
they could jeer 	I could be jeering
you could be jeering
she could be jeering
we could be jeering
you could be jeering
they could be jeering	I could have jeered
you could have jeered
she could have jeered
we could have jeered
you could have jeered
they could have jeered	I could have been jeering
you could have been jeering
she could have been jeering
we could have been jeering
you could have been jeering
they could have been jeering	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I couldn't jeer
you couldn't jeer
she couldn't jeer
we couldn't jeer
you couldn't jeer
they couldn't jeer 	I couldn't be jeering
you couldn't be jeering
she couldn't be jeering
we couldn't be jeering
you couldn't be jeering
they couldn't be jeering	I couldn't have jeered
you couldn't have jeered
she couldn't have jeered
we couldn't have jeered
you couldn't have jeered
they couldn't have jeered	I couldn't have been jeering
you couldn't have been jeering
she couldn't have been jeering
we couldn't have been jeering
you couldn't have been jeering
they couldn't have been jeering	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I jeer?
could you jeer?
could she jeer?
could we jeer?
could you jeer?
could they jeer? 	could I be jeering?
could you be jeering?
could she be jeering?
could we be jeering?
could you be jeering?
could they be jeering? 	could I have jeered?
could you have jeered?
could she have jeered?
could we have jeered?
could you have jeered?
could they have jeered? 	could I have been jeering?
could you have been jeering?
could she have been jeering?
could we have been jeering?
could you have been jeering?
could they have been jeering? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I jeer?
couldn't you jeer?
couldn't she jeer?
couldn't we jeer?
couldn't you jeer?
couldn't they jeer? 	couldn't I be jeering?
couldn't you be jeering?
couldn't she be jeering?
couldn't we be jeering?
couldn't you be jeering?
couldn't they be jeering? 	couldn't I have jeered?
couldn't you have jeered?
couldn't she have jeered?
couldn't we have jeered?
couldn't you have jeered?
couldn't they have jeered? 	couldn't I have been jeering?
couldn't you have been jeering?
couldn't she have been jeering?
couldn't we have been jeering?
couldn't you have been jeering?
couldn't they have been jeering?