may assail
Regular verb: assail - assailed- assailed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may assail
you may assail
she may assail
we may assail
you may assail
they may assail 	I may be assailing
you may be assailing
she may be assailing
we may be assailing
you may be assailing
they may be assailing	I may have assailed
you may have assailed
she may have assailed
we may have assailed
you may have assailed
they may have assailed	I may have been assailing
you may have been assailing
she may have been assailing
we may have been assailing
you may have been assailing
they may have been assailing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mayn't assail
you mayn't assail
she mayn't assail
we mayn't assail
you mayn't assail
they mayn't assail 	I mayn't be assailing
you mayn't be assailing
she mayn't be assailing
we mayn't be assailing
you mayn't be assailing
they mayn't be assailing	I mayn't have assailed
you mayn't have assailed
she mayn't have assailed
we mayn't have assailed
you mayn't have assailed
they mayn't have assailed	I mayn't have been assailing
you mayn't have been assailing
she mayn't have been assailing
we mayn't have been assailing
you mayn't have been assailing
they mayn't have been assailing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I assail?
may you assail?
may she assail?
may we assail?
may you assail?
may they assail? 	may I be assailing?
may you be assailing?
may she be assailing?
may we be assailing?
may you be assailing?
may they be assailing? 	may I have assailed?
may you have assailed?
may she have assailed?
may we have assailed?
may you have assailed?
may they have assailed? 	may I have been assailing?
may you have been assailing?
may she have been assailing?
may we have been assailing?
may you have been assailing?
may they have been assailing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mayn't I assail?
mayn't you assail?
mayn't she assail?
mayn't we assail?
mayn't you assail?
mayn't they assail? 	mayn't I be assailing?
mayn't you be assailing?
mayn't she be assailing?
mayn't we be assailing?
mayn't you be assailing?
mayn't they be assailing? 	mayn't I have assailed?
mayn't you have assailed?
mayn't she have assailed?
mayn't we have assailed?
mayn't you have assailed?
mayn't they have assailed? 	mayn't I have been assailing?
mayn't you have been assailing?
mayn't she have been assailing?
mayn't we have been assailing?
mayn't you have been assailing?
mayn't they have been assailing?