may yammer yammer
Regular verb: yammer yammer - yammer yammered- yammer yammered

, this verb may not exist. Conjugation is given as example.

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may yammer yammer
you may yammer yammer
she may yammer yammer
we may yammer yammer
you may yammer yammer
they may yammer yammer 	I may be yammer yammering
you may be yammer yammering
she may be yammer yammering
we may be yammer yammering
you may be yammer yammering
they may be yammer yammering	I may have yammer yammered
you may have yammer yammered
she may have yammer yammered
we may have yammer yammered
you may have yammer yammered
they may have yammer yammered	I may have been yammer yammering
you may have been yammer yammering
she may have been yammer yammering
we may have been yammer yammering
you may have been yammer yammering
they may have been yammer yammering	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mayn't yammer yammer
you mayn't yammer yammer
she mayn't yammer yammer
we mayn't yammer yammer
you mayn't yammer yammer
they mayn't yammer yammer 	I mayn't be yammer yammering
you mayn't be yammer yammering
she mayn't be yammer yammering
we mayn't be yammer yammering
you mayn't be yammer yammering
they mayn't be yammer yammering	I mayn't have yammer yammered
you mayn't have yammer yammered
she mayn't have yammer yammered
we mayn't have yammer yammered
you mayn't have yammer yammered
they mayn't have yammer yammered	I mayn't have been yammer yammering
you mayn't have been yammer yammering
she mayn't have been yammer yammering
we mayn't have been yammer yammering
you mayn't have been yammer yammering
they mayn't have been yammer yammering	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I yammer yammer?
may you yammer yammer?
may she yammer yammer?
may we yammer yammer?
may you yammer yammer?
may they yammer yammer? 	may I be yammer yammering?
may you be yammer yammering?
may she be yammer yammering?
may we be yammer yammering?
may you be yammer yammering?
may they be yammer yammering? 	may I have yammer yammered?
may you have yammer yammered?
may she have yammer yammered?
may we have yammer yammered?
may you have yammer yammered?
may they have yammer yammered? 	may I have been yammer yammering?
may you have been yammer yammering?
may she have been yammer yammering?
may we have been yammer yammering?
may you have been yammer yammering?
may they have been yammer yammering? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mayn't I yammer yammer?
mayn't you yammer yammer?
mayn't she yammer yammer?
mayn't we yammer yammer?
mayn't you yammer yammer?
mayn't they yammer yammer? 	mayn't I be yammer yammering?
mayn't you be yammer yammering?
mayn't she be yammer yammering?
mayn't we be yammer yammering?
mayn't you be yammer yammering?
mayn't they be yammer yammering? 	mayn't I have yammer yammered?
mayn't you have yammer yammered?
mayn't she have yammer yammered?
mayn't we have yammer yammered?
mayn't you have yammer yammered?
mayn't they have yammer yammered? 	mayn't I have been yammer yammering?
mayn't you have been yammer yammering?
mayn't she have been yammer yammering?
mayn't we have been yammer yammering?
mayn't you have been yammer yammering?
mayn't they have been yammer yammering?