may group
Regular verb: group - grouped- grouped

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may group
you may group
he may group
we may group
you may group
they may group 	I may be grouping
you may be grouping
he may be grouping
we may be grouping
you may be grouping
they may be grouping	I may have grouped
you may have grouped
he may have grouped
we may have grouped
you may have grouped
they may have grouped	I may have been grouping
you may have been grouping
he may have been grouping
we may have been grouping
you may have been grouping
they may have been grouping	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may not group
you may not group
he may not group
we may not group
you may not group
they may not group 	I may not be grouping
you may not be grouping
he may not be grouping
we may not be grouping
you may not be grouping
they may not be grouping	I may not have grouped
you may not have grouped
he may not have grouped
we may not have grouped
you may not have grouped
they may not have grouped	I may not have been grouping
you may not have been grouping
he may not have been grouping
we may not have been grouping
you may not have been grouping
they may not have been grouping	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I group?
may you group?
may he group?
may we group?
may you group?
may they group? 	may I be grouping?
may you be grouping?
may he be grouping?
may we be grouping?
may you be grouping?
may they be grouping? 	may I have grouped?
may you have grouped?
may he have grouped?
may we have grouped?
may you have grouped?
may they have grouped? 	may I have been grouping?
may you have been grouping?
may he have been grouping?
may we have been grouping?
may you have been grouping?
may they have been grouping? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I not group?
may you not group?
may he not group?
may we not group?
may you not group?
may they not group? 	may I not be grouping?
may you not be grouping?
may he not be grouping?
may we not be grouping?
may you not be grouping?
may they not be grouping? 	may I not have grouped?
may you not have grouped?
may he not have grouped?
may we not have grouped?
may you not have grouped?
may they not have grouped? 	may I not have been grouping?
may you not have been grouping?
may he not have been grouping?
may we not have been grouping?
may you not have been grouping?
may they not have been grouping?