may vegetate
Regular verb: vegetate - vegetated- vegetated

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may vegetate
you may vegetate
he may vegetate
we may vegetate
you may vegetate
they may vegetate 	I may be vegetating
you may be vegetating
he may be vegetating
we may be vegetating
you may be vegetating
they may be vegetating	I may have vegetated
you may have vegetated
he may have vegetated
we may have vegetated
you may have vegetated
they may have vegetated	I may have been vegetating
you may have been vegetating
he may have been vegetating
we may have been vegetating
you may have been vegetating
they may have been vegetating	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mayn't vegetate
you mayn't vegetate
he mayn't vegetate
we mayn't vegetate
you mayn't vegetate
they mayn't vegetate 	I mayn't be vegetating
you mayn't be vegetating
he mayn't be vegetating
we mayn't be vegetating
you mayn't be vegetating
they mayn't be vegetating	I mayn't have vegetated
you mayn't have vegetated
he mayn't have vegetated
we mayn't have vegetated
you mayn't have vegetated
they mayn't have vegetated	I mayn't have been vegetating
you mayn't have been vegetating
he mayn't have been vegetating
we mayn't have been vegetating
you mayn't have been vegetating
they mayn't have been vegetating	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I vegetate?
may you vegetate?
may he vegetate?
may we vegetate?
may you vegetate?
may they vegetate? 	may I be vegetating?
may you be vegetating?
may he be vegetating?
may we be vegetating?
may you be vegetating?
may they be vegetating? 	may I have vegetated?
may you have vegetated?
may he have vegetated?
may we have vegetated?
may you have vegetated?
may they have vegetated? 	may I have been vegetating?
may you have been vegetating?
may he have been vegetating?
may we have been vegetating?
may you have been vegetating?
may they have been vegetating? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mayn't I vegetate?
mayn't you vegetate?
mayn't he vegetate?
mayn't we vegetate?
mayn't you vegetate?
mayn't they vegetate? 	mayn't I be vegetating?
mayn't you be vegetating?
mayn't he be vegetating?
mayn't we be vegetating?
mayn't you be vegetating?
mayn't they be vegetating? 	mayn't I have vegetated?
mayn't you have vegetated?
mayn't he have vegetated?
mayn't we have vegetated?
mayn't you have vegetated?
mayn't they have vegetated? 	mayn't I have been vegetating?
mayn't you have been vegetating?
mayn't he have been vegetating?
mayn't we have been vegetating?
mayn't you have been vegetating?
mayn't they have been vegetating?