may undeceive
Verbe régulier : undeceive - undeceived- undeceived

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I may undeceive
you may undeceive
he may undeceive
we may undeceive
you may undeceive
they may undeceive 	I may be undeceiving
you may be undeceiving
he may be undeceiving
we may be undeceiving
you may be undeceiving
they may be undeceiving	I may have undeceived
you may have undeceived
he may have undeceived
we may have undeceived
you may have undeceived
they may have undeceived	I may have been undeceiving
you may have been undeceiving
he may have been undeceiving
we may have been undeceiving
you may have been undeceiving
they may have been undeceiving	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I mayn't undeceive
you mayn't undeceive
he mayn't undeceive
we mayn't undeceive
you mayn't undeceive
they mayn't undeceive 	I mayn't be undeceiving
you mayn't be undeceiving
he mayn't be undeceiving
we mayn't be undeceiving
you mayn't be undeceiving
they mayn't be undeceiving	I mayn't have undeceived
you mayn't have undeceived
he mayn't have undeceived
we mayn't have undeceived
you mayn't have undeceived
they mayn't have undeceived	I mayn't have been undeceiving
you mayn't have been undeceiving
he mayn't have been undeceiving
we mayn't have been undeceiving
you mayn't have been undeceiving
they mayn't have been undeceiving	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
may I undeceive?
may you undeceive?
may he undeceive?
may we undeceive?
may you undeceive?
may they undeceive? 	may I be undeceiving?
may you be undeceiving?
may he be undeceiving?
may we be undeceiving?
may you be undeceiving?
may they be undeceiving? 	may I have undeceived?
may you have undeceived?
may he have undeceived?
may we have undeceived?
may you have undeceived?
may they have undeceived? 	may I have been undeceiving?
may you have been undeceiving?
may he have been undeceiving?
may we have been undeceiving?
may you have been undeceiving?
may they have been undeceiving? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
mayn't I undeceive?
mayn't you undeceive?
mayn't he undeceive?
mayn't we undeceive?
mayn't you undeceive?
mayn't they undeceive? 	mayn't I be undeceiving?
mayn't you be undeceiving?
mayn't he be undeceiving?
mayn't we be undeceiving?
mayn't you be undeceiving?
mayn't they be undeceiving? 	mayn't I have undeceived?
mayn't you have undeceived?
mayn't he have undeceived?
mayn't we have undeceived?
mayn't you have undeceived?
mayn't they have undeceived? 	mayn't I have been undeceiving?
mayn't you have been undeceiving?
mayn't he have been undeceiving?
mayn't we have been undeceiving?
mayn't you have been undeceiving?
mayn't they have been undeceiving?