may taint
Regular verb: taint - tainted- tainted

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may taint
you may taint
she may taint
we may taint
you may taint
they may taint 	I may be tainting
you may be tainting
she may be tainting
we may be tainting
you may be tainting
they may be tainting	I may have tainted
you may have tainted
she may have tainted
we may have tainted
you may have tainted
they may have tainted	I may have been tainting
you may have been tainting
she may have been tainting
we may have been tainting
you may have been tainting
they may have been tainting	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mayn't taint
you mayn't taint
she mayn't taint
we mayn't taint
you mayn't taint
they mayn't taint 	I mayn't be tainting
you mayn't be tainting
she mayn't be tainting
we mayn't be tainting
you mayn't be tainting
they mayn't be tainting	I mayn't have tainted
you mayn't have tainted
she mayn't have tainted
we mayn't have tainted
you mayn't have tainted
they mayn't have tainted	I mayn't have been tainting
you mayn't have been tainting
she mayn't have been tainting
we mayn't have been tainting
you mayn't have been tainting
they mayn't have been tainting	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I taint?
may you taint?
may she taint?
may we taint?
may you taint?
may they taint? 	may I be tainting?
may you be tainting?
may she be tainting?
may we be tainting?
may you be tainting?
may they be tainting? 	may I have tainted?
may you have tainted?
may she have tainted?
may we have tainted?
may you have tainted?
may they have tainted? 	may I have been tainting?
may you have been tainting?
may she have been tainting?
may we have been tainting?
may you have been tainting?
may they have been tainting? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mayn't I taint?
mayn't you taint?
mayn't she taint?
mayn't we taint?
mayn't you taint?
mayn't they taint? 	mayn't I be tainting?
mayn't you be tainting?
mayn't she be tainting?
mayn't we be tainting?
mayn't you be tainting?
mayn't they be tainting? 	mayn't I have tainted?
mayn't you have tainted?
mayn't she have tainted?
mayn't we have tainted?
mayn't you have tainted?
mayn't they have tainted? 	mayn't I have been tainting?
mayn't you have been tainting?
mayn't she have been tainting?
mayn't we have been tainting?
mayn't you have been tainting?
mayn't they have been tainting?