may sleepwalk
Regular verb: sleepwalk - sleepwalked- sleepwalked

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may sleepwalk
you may sleepwalk
she may sleepwalk
we may sleepwalk
you may sleepwalk
they may sleepwalk 	I may be sleepwalking
you may be sleepwalking
she may be sleepwalking
we may be sleepwalking
you may be sleepwalking
they may be sleepwalking	I may have sleepwalked
you may have sleepwalked
she may have sleepwalked
we may have sleepwalked
you may have sleepwalked
they may have sleepwalked	I may have been sleepwalking
you may have been sleepwalking
she may have been sleepwalking
we may have been sleepwalking
you may have been sleepwalking
they may have been sleepwalking	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mayn't sleepwalk
you mayn't sleepwalk
she mayn't sleepwalk
we mayn't sleepwalk
you mayn't sleepwalk
they mayn't sleepwalk 	I mayn't be sleepwalking
you mayn't be sleepwalking
she mayn't be sleepwalking
we mayn't be sleepwalking
you mayn't be sleepwalking
they mayn't be sleepwalking	I mayn't have sleepwalked
you mayn't have sleepwalked
she mayn't have sleepwalked
we mayn't have sleepwalked
you mayn't have sleepwalked
they mayn't have sleepwalked	I mayn't have been sleepwalking
you mayn't have been sleepwalking
she mayn't have been sleepwalking
we mayn't have been sleepwalking
you mayn't have been sleepwalking
they mayn't have been sleepwalking	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I sleepwalk?
may you sleepwalk?
may she sleepwalk?
may we sleepwalk?
may you sleepwalk?
may they sleepwalk? 	may I be sleepwalking?
may you be sleepwalking?
may she be sleepwalking?
may we be sleepwalking?
may you be sleepwalking?
may they be sleepwalking? 	may I have sleepwalked?
may you have sleepwalked?
may she have sleepwalked?
may we have sleepwalked?
may you have sleepwalked?
may they have sleepwalked? 	may I have been sleepwalking?
may you have been sleepwalking?
may she have been sleepwalking?
may we have been sleepwalking?
may you have been sleepwalking?
may they have been sleepwalking? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mayn't I sleepwalk?
mayn't you sleepwalk?
mayn't she sleepwalk?
mayn't we sleepwalk?
mayn't you sleepwalk?
mayn't they sleepwalk? 	mayn't I be sleepwalking?
mayn't you be sleepwalking?
mayn't she be sleepwalking?
mayn't we be sleepwalking?
mayn't you be sleepwalking?
mayn't they be sleepwalking? 	mayn't I have sleepwalked?
mayn't you have sleepwalked?
mayn't she have sleepwalked?
mayn't we have sleepwalked?
mayn't you have sleepwalked?
mayn't they have sleepwalked? 	mayn't I have been sleepwalking?
mayn't you have been sleepwalking?
mayn't she have been sleepwalking?
mayn't we have been sleepwalking?
mayn't you have been sleepwalking?
mayn't they have been sleepwalking?