may sour
Regular verb: sour - soured- soured

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may sour
you may sour
she may sour
we may sour
you may sour
they may sour 	I may be souring
you may be souring
she may be souring
we may be souring
you may be souring
they may be souring	I may have soured
you may have soured
she may have soured
we may have soured
you may have soured
they may have soured	I may have been souring
you may have been souring
she may have been souring
we may have been souring
you may have been souring
they may have been souring	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may not sour
you may not sour
she may not sour
we may not sour
you may not sour
they may not sour 	I may not be souring
you may not be souring
she may not be souring
we may not be souring
you may not be souring
they may not be souring	I may not have soured
you may not have soured
she may not have soured
we may not have soured
you may not have soured
they may not have soured	I may not have been souring
you may not have been souring
she may not have been souring
we may not have been souring
you may not have been souring
they may not have been souring	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I sour?
may you sour?
may she sour?
may we sour?
may you sour?
may they sour? 	may I be souring?
may you be souring?
may she be souring?
may we be souring?
may you be souring?
may they be souring? 	may I have soured?
may you have soured?
may she have soured?
may we have soured?
may you have soured?
may they have soured? 	may I have been souring?
may you have been souring?
may she have been souring?
may we have been souring?
may you have been souring?
may they have been souring? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I not sour?
may you not sour?
may she not sour?
may we not sour?
may you not sour?
may they not sour? 	may I not be souring?
may you not be souring?
may she not be souring?
may we not be souring?
may you not be souring?
may they not be souring? 	may I not have soured?
may you not have soured?
may she not have soured?
may we not have soured?
may you not have soured?
may they not have soured? 	may I not have been souring?
may you not have been souring?
may she not have been souring?
may we not have been souring?
may you not have been souring?
may they not have been souring?