may quaver
Regular verb: quaver - quavered- quavered

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
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	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mayn't quaver
you mayn't quaver
he mayn't quaver
we mayn't quaver
you mayn't quaver
they mayn't quaver 	I mayn't be quavering
you mayn't be quavering
he mayn't be quavering
we mayn't be quavering
you mayn't be quavering
they mayn't be quavering	I mayn't have quavered
you mayn't have quavered
he mayn't have quavered
we mayn't have quavered
you mayn't have quavered
they mayn't have quavered	I mayn't have been quavering
you mayn't have been quavering
he mayn't have been quavering
we mayn't have been quavering
you mayn't have been quavering
they mayn't have been quavering	

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

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mayn't I quaver?
mayn't you quaver?
mayn't he quaver?
mayn't we quaver?
mayn't you quaver?
mayn't they quaver? 	mayn't I be quavering?
mayn't you be quavering?
mayn't he be quavering?
mayn't we be quavering?
mayn't you be quavering?
mayn't they be quavering? 	mayn't I have quavered?
mayn't you have quavered?
mayn't he have quavered?
mayn't we have quavered?
mayn't you have quavered?
mayn't they have quavered? 	mayn't I have been quavering?
mayn't you have been quavering?
mayn't he have been quavering?
mayn't we have been quavering?
mayn't you have been quavering?
mayn't they have been quavering?