may yammer
Regular verb: yammer - yammered- yammered

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

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

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

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