should quaver
Verbo regular: quaver - quavered- quavered

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I should quaver
you should quaver
he should quaver
we should quaver
you should quaver
they should quaver 	I should be quavering
you should be quavering
he should be quavering
we should be quavering
you should be quavering
they should be quavering	I should have quavered
you should have quavered
he should have quavered
we should have quavered
you should have quavered
they should have quavered	I should have been quavering
you should have been quavering
he should have been quavering
we should have been quavering
you should have been quavering
they should have been quavering	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I should not quaver
you should not quaver
he should not quaver
we should not quaver
you should not quaver
they should not quaver 	I should not be quavering
you should not be quavering
he should not be quavering
we should not be quavering
you should not be quavering
they should not be quavering	I should not have quavered
you should not have quavered
he should not have quavered
we should not have quavered
you should not have quavered
they should not have quavered	I should not have been quavering
you should not have been quavering
he should not have been quavering
we should not have been quavering
you should not have been quavering
they should not have been quavering	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con 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-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
should I not quaver?
should you not quaver?
should he not quaver?
should we not quaver?
should you not quaver?
should they not quaver? 	should I not be quavering?
should you not be quavering?
should he not be quavering?
should we not be quavering?
should you not be quavering?
should they not be quavering? 	should I not have quavered?
should you not have quavered?
should he not have quavered?
should we not have quavered?
should you not have quavered?
should they not have quavered? 	should I not have been quavering?
should you not have been quavering?
should he not have been quavering?
should we not have been quavering?
should you not have been quavering?
should they not have been quavering?