may tiff
Verbe régulier : tiff - tiffed- tiffed

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I may tiff
you may tiff
he may tiff
we may tiff
you may tiff
they may tiff 	I may be tiffing
you may be tiffing
he may be tiffing
we may be tiffing
you may be tiffing
they may be tiffing	I may have tiffed
you may have tiffed
he may have tiffed
we may have tiffed
you may have tiffed
they may have tiffed	I may have been tiffing
you may have been tiffing
he may have been tiffing
we may have been tiffing
you may have been tiffing
they may have been tiffing	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I mayn't tiff
you mayn't tiff
he mayn't tiff
we mayn't tiff
you mayn't tiff
they mayn't tiff 	I mayn't be tiffing
you mayn't be tiffing
he mayn't be tiffing
we mayn't be tiffing
you mayn't be tiffing
they mayn't be tiffing	I mayn't have tiffed
you mayn't have tiffed
he mayn't have tiffed
we mayn't have tiffed
you mayn't have tiffed
they mayn't have tiffed	I mayn't have been tiffing
you mayn't have been tiffing
he mayn't have been tiffing
we mayn't have been tiffing
you mayn't have been tiffing
they mayn't have been tiffing	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
may I tiff?
may you tiff?
may he tiff?
may we tiff?
may you tiff?
may they tiff? 	may I be tiffing?
may you be tiffing?
may he be tiffing?
may we be tiffing?
may you be tiffing?
may they be tiffing? 	may I have tiffed?
may you have tiffed?
may he have tiffed?
may we have tiffed?
may you have tiffed?
may they have tiffed? 	may I have been tiffing?
may you have been tiffing?
may he have been tiffing?
may we have been tiffing?
may you have been tiffing?
may they have been tiffing? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
mayn't I tiff?
mayn't you tiff?
mayn't he tiff?
mayn't we tiff?
mayn't you tiff?
mayn't they tiff? 	mayn't I be tiffing?
mayn't you be tiffing?
mayn't he be tiffing?
mayn't we be tiffing?
mayn't you be tiffing?
mayn't they be tiffing? 	mayn't I have tiffed?
mayn't you have tiffed?
mayn't he have tiffed?
mayn't we have tiffed?
mayn't you have tiffed?
mayn't they have tiffed? 	mayn't I have been tiffing?
mayn't you have been tiffing?
mayn't he have been tiffing?
mayn't we have been tiffing?
mayn't you have been tiffing?
mayn't they have been tiffing?