may quaver
Verbo regular: quaver - quavered- quavered

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

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

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
may I quaver?
may you quaver?
may he quaver?
may we quaver?
may you quaver?
may they quaver? 	may I be quavering?
may you be quavering?
may he be quavering?
may we be quavering?
may you be quavering?
may they be quavering? 	may I have quavered?
may you have quavered?
may he have quavered?
may we have quavered?
may you have quavered?
may they have quavered? 	may I have been quavering?
may you have been quavering?
may he have been quavering?
may we have been quavering?
may you have been quavering?
may they have been quavering? 	

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