may enquire
Regular verb: enquire - enquired- enquired

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may enquire
you may enquire
she may enquire
we may enquire
you may enquire
they may enquire 	I may be enquiring
you may be enquiring
she may be enquiring
we may be enquiring
you may be enquiring
they may be enquiring	I may have enquired
you may have enquired
she may have enquired
we may have enquired
you may have enquired
they may have enquired	I may have been enquiring
you may have been enquiring
she may have been enquiring
we may have been enquiring
you may have been enquiring
they may have been enquiring	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mayn't enquire
you mayn't enquire
she mayn't enquire
we mayn't enquire
you mayn't enquire
they mayn't enquire 	I mayn't be enquiring
you mayn't be enquiring
she mayn't be enquiring
we mayn't be enquiring
you mayn't be enquiring
they mayn't be enquiring	I mayn't have enquired
you mayn't have enquired
she mayn't have enquired
we mayn't have enquired
you mayn't have enquired
they mayn't have enquired	I mayn't have been enquiring
you mayn't have been enquiring
she mayn't have been enquiring
we mayn't have been enquiring
you mayn't have been enquiring
they mayn't have been enquiring	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I enquire?
may you enquire?
may she enquire?
may we enquire?
may you enquire?
may they enquire? 	may I be enquiring?
may you be enquiring?
may she be enquiring?
may we be enquiring?
may you be enquiring?
may they be enquiring? 	may I have enquired?
may you have enquired?
may she have enquired?
may we have enquired?
may you have enquired?
may they have enquired? 	may I have been enquiring?
may you have been enquiring?
may she have been enquiring?
may we have been enquiring?
may you have been enquiring?
may they have been enquiring? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mayn't I enquire?
mayn't you enquire?
mayn't she enquire?
mayn't we enquire?
mayn't you enquire?
mayn't they enquire? 	mayn't I be enquiring?
mayn't you be enquiring?
mayn't she be enquiring?
mayn't we be enquiring?
mayn't you be enquiring?
mayn't they be enquiring? 	mayn't I have enquired?
mayn't you have enquired?
mayn't she have enquired?
mayn't we have enquired?
mayn't you have enquired?
mayn't they have enquired? 	mayn't I have been enquiring?
mayn't you have been enquiring?
mayn't she have been enquiring?
mayn't we have been enquiring?
mayn't you have been enquiring?
mayn't they have been enquiring?