should quiver
Verbo regular: quiver - quivered- quivered

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I should quiver
you should quiver
he should quiver
we should quiver
you should quiver
they should quiver 	I should be quivering
you should be quivering
he should be quivering
we should be quivering
you should be quivering
they should be quivering	I should have quivered
you should have quivered
he should have quivered
we should have quivered
you should have quivered
they should have quivered	I should have been quivering
you should have been quivering
he should have been quivering
we should have been quivering
you should have been quivering
they should have been quivering	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I should not quiver
you should not quiver
he should not quiver
we should not quiver
you should not quiver
they should not quiver 	I should not be quivering
you should not be quivering
he should not be quivering
we should not be quivering
you should not be quivering
they should not be quivering	I should not have quivered
you should not have quivered
he should not have quivered
we should not have quivered
you should not have quivered
they should not have quivered	I should not have been quivering
you should not have been quivering
he should not have been quivering
we should not have been quivering
you should not have been quivering
they should not have been quivering	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
should I quiver?
should you quiver?
should he quiver?
should we quiver?
should you quiver?
should they quiver? 	should I be quivering?
should you be quivering?
should he be quivering?
should we be quivering?
should you be quivering?
should they be quivering? 	should I have quivered?
should you have quivered?
should he have quivered?
should we have quivered?
should you have quivered?
should they have quivered? 	should I have been quivering?
should you have been quivering?
should he have been quivering?
should we have been quivering?
should you have been quivering?
should they have been quivering? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
should I not quiver?
should you not quiver?
should he not quiver?
should we not quiver?
should you not quiver?
should they not quiver? 	should I not be quivering?
should you not be quivering?
should he not be quivering?
should we not be quivering?
should you not be quivering?
should they not be quivering? 	should I not have quivered?
should you not have quivered?
should he not have quivered?
should we not have quivered?
should you not have quivered?
should they not have quivered? 	should I not have been quivering?
should you not have been quivering?
should he not have been quivering?
should we not have been quivering?
should you not have been quivering?
should they not have been quivering?