may yack
Verbe régulier : yack - yacked- yacked

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

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

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

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