may underline
Regular verb: underline - underlined- underlined

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may underline
you may underline
she may underline
we may underline
you may underline
they may underline 	I may be underlining
you may be underlining
she may be underlining
we may be underlining
you may be underlining
they may be underlining	I may have underlined
you may have underlined
she may have underlined
we may have underlined
you may have underlined
they may have underlined	I may have been underlining
you may have been underlining
she may have been underlining
we may have been underlining
you may have been underlining
they may have been underlining	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mayn't underline
you mayn't underline
she mayn't underline
we mayn't underline
you mayn't underline
they mayn't underline 	I mayn't be underlining
you mayn't be underlining
she mayn't be underlining
we mayn't be underlining
you mayn't be underlining
they mayn't be underlining	I mayn't have underlined
you mayn't have underlined
she mayn't have underlined
we mayn't have underlined
you mayn't have underlined
they mayn't have underlined	I mayn't have been underlining
you mayn't have been underlining
she mayn't have been underlining
we mayn't have been underlining
you mayn't have been underlining
they mayn't have been underlining	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I underline?
may you underline?
may she underline?
may we underline?
may you underline?
may they underline? 	may I be underlining?
may you be underlining?
may she be underlining?
may we be underlining?
may you be underlining?
may they be underlining? 	may I have underlined?
may you have underlined?
may she have underlined?
may we have underlined?
may you have underlined?
may they have underlined? 	may I have been underlining?
may you have been underlining?
may she have been underlining?
may we have been underlining?
may you have been underlining?
may they have been underlining? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mayn't I underline?
mayn't you underline?
mayn't she underline?
mayn't we underline?
mayn't you underline?
mayn't they underline? 	mayn't I be underlining?
mayn't you be underlining?
mayn't she be underlining?
mayn't we be underlining?
mayn't you be underlining?
mayn't they be underlining? 	mayn't I have underlined?
mayn't you have underlined?
mayn't she have underlined?
mayn't we have underlined?
mayn't you have underlined?
mayn't they have underlined? 	mayn't I have been underlining?
mayn't you have been underlining?
mayn't she have been underlining?
mayn't we have been underlining?
mayn't you have been underlining?
mayn't they have been underlining?