English verb conjugation
WOULD QUIVER

Regular verb: quiver - quivered - quivered

Affirmation

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