may adjoin
Regular verb: adjoin - adjoined- adjoined

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may adjoin
you may adjoin
she may adjoin
we may adjoin
you may adjoin
they may adjoin 	I may be adjoining
you may be adjoining
she may be adjoining
we may be adjoining
you may be adjoining
they may be adjoining	I may have adjoined
you may have adjoined
she may have adjoined
we may have adjoined
you may have adjoined
they may have adjoined	I may have been adjoining
you may have been adjoining
she may have been adjoining
we may have been adjoining
you may have been adjoining
they may have been adjoining	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mayn't adjoin
you mayn't adjoin
she mayn't adjoin
we mayn't adjoin
you mayn't adjoin
they mayn't adjoin 	I mayn't be adjoining
you mayn't be adjoining
she mayn't be adjoining
we mayn't be adjoining
you mayn't be adjoining
they mayn't be adjoining	I mayn't have adjoined
you mayn't have adjoined
she mayn't have adjoined
we mayn't have adjoined
you mayn't have adjoined
they mayn't have adjoined	I mayn't have been adjoining
you mayn't have been adjoining
she mayn't have been adjoining
we mayn't have been adjoining
you mayn't have been adjoining
they mayn't have been adjoining	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I adjoin?
may you adjoin?
may she adjoin?
may we adjoin?
may you adjoin?
may they adjoin? 	may I be adjoining?
may you be adjoining?
may she be adjoining?
may we be adjoining?
may you be adjoining?
may they be adjoining? 	may I have adjoined?
may you have adjoined?
may she have adjoined?
may we have adjoined?
may you have adjoined?
may they have adjoined? 	may I have been adjoining?
may you have been adjoining?
may she have been adjoining?
may we have been adjoining?
may you have been adjoining?
may they have been adjoining? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mayn't I adjoin?
mayn't you adjoin?
mayn't she adjoin?
mayn't we adjoin?
mayn't you adjoin?
mayn't they adjoin? 	mayn't I be adjoining?
mayn't you be adjoining?
mayn't she be adjoining?
mayn't we be adjoining?
mayn't you be adjoining?
mayn't they be adjoining? 	mayn't I have adjoined?
mayn't you have adjoined?
mayn't she have adjoined?
mayn't we have adjoined?
mayn't you have adjoined?
mayn't they have adjoined? 	mayn't I have been adjoining?
mayn't you have been adjoining?
mayn't she have been adjoining?
mayn't we have been adjoining?
mayn't you have been adjoining?
mayn't they have been adjoining?