may yackety-yack
Verbe régulier : yackety-yack - yackety-yacked- yackety-yacked

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I may yackety-yack
you may yackety-yack
he may yackety-yack
we may yackety-yack
you may yackety-yack
they may yackety-yack 	I may be yackety-yacking
you may be yackety-yacking
he may be yackety-yacking
we may be yackety-yacking
you may be yackety-yacking
they may be yackety-yacking	I may have yackety-yacked
you may have yackety-yacked
he may have yackety-yacked
we may have yackety-yacked
you may have yackety-yacked
they may have yackety-yacked	I may have been yackety-yacking
you may have been yackety-yacking
he may have been yackety-yacking
we may have been yackety-yacking
you may have been yackety-yacking
they may have been yackety-yacking	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I mayn't yackety-yack
you mayn't yackety-yack
he mayn't yackety-yack
we mayn't yackety-yack
you mayn't yackety-yack
they mayn't yackety-yack 	I mayn't be yackety-yacking
you mayn't be yackety-yacking
he mayn't be yackety-yacking
we mayn't be yackety-yacking
you mayn't be yackety-yacking
they mayn't be yackety-yacking	I mayn't have yackety-yacked
you mayn't have yackety-yacked
he mayn't have yackety-yacked
we mayn't have yackety-yacked
you mayn't have yackety-yacked
they mayn't have yackety-yacked	I mayn't have been yackety-yacking
you mayn't have been yackety-yacking
he mayn't have been yackety-yacking
we mayn't have been yackety-yacking
you mayn't have been yackety-yacking
they mayn't have been yackety-yacking	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
may I yackety-yack?
may you yackety-yack?
may he yackety-yack?
may we yackety-yack?
may you yackety-yack?
may they yackety-yack? 	may I be yackety-yacking?
may you be yackety-yacking?
may he be yackety-yacking?
may we be yackety-yacking?
may you be yackety-yacking?
may they be yackety-yacking? 	may I have yackety-yacked?
may you have yackety-yacked?
may he have yackety-yacked?
may we have yackety-yacked?
may you have yackety-yacked?
may they have yackety-yacked? 	may I have been yackety-yacking?
may you have been yackety-yacking?
may he have been yackety-yacking?
may we have been yackety-yacking?
may you have been yackety-yacking?
may they have been yackety-yacking? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
mayn't I yackety-yack?
mayn't you yackety-yack?
mayn't he yackety-yack?
mayn't we yackety-yack?
mayn't you yackety-yack?
mayn't they yackety-yack? 	mayn't I be yackety-yacking?
mayn't you be yackety-yacking?
mayn't he be yackety-yacking?
mayn't we be yackety-yacking?
mayn't you be yackety-yacking?
mayn't they be yackety-yacking? 	mayn't I have yackety-yacked?
mayn't you have yackety-yacked?
mayn't he have yackety-yacked?
mayn't we have yackety-yacked?
mayn't you have yackety-yacked?
mayn't they have yackety-yacked? 	mayn't I have been yackety-yacking?
mayn't you have been yackety-yacking?
mayn't he have been yackety-yacking?
mayn't we have been yackety-yacking?
mayn't you have been yackety-yacking?
mayn't they have been yackety-yacking?