should quaver
Verbo regular: quaver - quavered- quavered

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I'd quaver
you'd quaver
he'd quaver
we'd quaver
you'd quaver
they'd quaver 	I'd be quavering
you'd be quavering
he'd be quavering
we'd be quavering
you'd be quavering
they'd be quavering	I should've quavered
you should've quavered
he should've quavered
we should've quavered
you should've quavered
they should've quavered	I should've been quavering
you should've been quavering
he should've been quavering
we should've been quavering
you should've been quavering
they should've been quavering	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I shouldn't quaver
you shouldn't quaver
he shouldn't quaver
we shouldn't quaver
you shouldn't quaver
they shouldn't quaver 	I shouldn't be quavering
you shouldn't be quavering
he shouldn't be quavering
we shouldn't be quavering
you shouldn't be quavering
they shouldn't be quavering	I shouldn't have quavered
you shouldn't have quavered
he shouldn't have quavered
we shouldn't have quavered
you shouldn't have quavered
they shouldn't have quavered	I shouldn't have been quavering
you shouldn't have been quavering
he shouldn't have been quavering
we shouldn't have been quavering
you shouldn't have been quavering
they shouldn't have been quavering	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
should I quaver?
should you quaver?
should he quaver?
should we quaver?
should you quaver?
should they quaver? 	should I be quavering?
should you be quavering?
should he be quavering?
should we be quavering?
should you be quavering?
should they be quavering? 	should I have quavered?
should you have quavered?
should he have quavered?
should we have quavered?
should you have quavered?
should they have quavered? 	should I have been quavering?
should you have been quavering?
should he have been quavering?
should we have been quavering?
should you have been quavering?
should they have been quavering? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
shouldn't I quaver?
shouldn't you quaver?
shouldn't he quaver?
shouldn't we quaver?
shouldn't you quaver?
shouldn't they quaver? 	shouldn't I be quavering?
shouldn't you be quavering?
shouldn't he be quavering?
shouldn't we be quavering?
shouldn't you be quavering?
shouldn't they be quavering? 	shouldn't I have quavered?
shouldn't you have quavered?
shouldn't he have quavered?
shouldn't we have quavered?
shouldn't you have quavered?
shouldn't they have quavered? 	shouldn't I have been quavering?
shouldn't you have been quavering?
shouldn't he have been quavering?
shouldn't we have been quavering?
shouldn't you have been quavering?
shouldn't they have been quavering?