would quiver
Regular verb: quiver - quivered- quivered

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I'd quiver
you'd quiver
he'd quiver
we'd quiver
you'd quiver
they'd quiver 	I'd be quivering
you'd be quivering
he'd be quivering
we'd be quivering
you'd be quivering
they'd be quivering	I would've quivered
you would've quivered
he would've quivered
we would've quivered
you would've quivered
they would've quivered	I would've been quivering
you would've been quivering
he would've been quivering
we would've been quivering
you would've been quivering
they would've been quivering	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I wouldn't quiver
you wouldn't quiver
he wouldn't quiver
we wouldn't quiver
you wouldn't quiver
they wouldn't quiver 	I wouldn't be quivering
you wouldn't be quivering
he wouldn't be quivering
we wouldn't be quivering
you wouldn't be quivering
they wouldn't be quivering	I wouldn't have quivered
you wouldn't have quivered
he wouldn't have quivered
we wouldn't have quivered
you wouldn't have quivered
they wouldn't have quivered	I wouldn't have been quivering
you wouldn't have been quivering
he wouldn't have been quivering
we wouldn't have been quivering
you wouldn't have been quivering
they wouldn't have been quivering	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
would I quiver?
would you quiver?
would he quiver?
would we quiver?
would you quiver?
would they quiver? 	would I be quivering?
would you be quivering?
would he be quivering?
would we be quivering?
would you be quivering?
would they be quivering? 	would I have quivered?
would you have quivered?
would he have quivered?
would we have quivered?
would you have quivered?
would they have quivered? 	would I have been quivering?
would you have been quivering?
would he have been quivering?
would we have been quivering?
would you have been quivering?
would they have been quivering? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
wouldn't I quiver?
wouldn't you quiver?
wouldn't he quiver?
wouldn't we quiver?
wouldn't you quiver?
wouldn't they quiver? 	wouldn't I be quivering?
wouldn't you be quivering?
wouldn't he be quivering?
wouldn't we be quivering?
wouldn't you be quivering?
wouldn't they be quivering? 	wouldn't I have quivered?
wouldn't you have quivered?
wouldn't he have quivered?
wouldn't we have quivered?
wouldn't you have quivered?
wouldn't they have quivered? 	wouldn't I have been quivering?
wouldn't you have been quivering?
wouldn't he have been quivering?
wouldn't we have been quivering?
wouldn't you have been quivering?
wouldn't they have been quivering?