may inquire
Regular verb: inquire - inquired- inquired

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may inquire
you may inquire
he may inquire
we may inquire
you may inquire
they may inquire 	I may be inquiring
you may be inquiring
he may be inquiring
we may be inquiring
you may be inquiring
they may be inquiring	I may have inquired
you may have inquired
he may have inquired
we may have inquired
you may have inquired
they may have inquired	I may have been inquiring
you may have been inquiring
he may have been inquiring
we may have been inquiring
you may have been inquiring
they may have been inquiring	

Negation 	
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I mayn't inquire
you mayn't inquire
he mayn't inquire
we mayn't inquire
you mayn't inquire
they mayn't inquire 	I mayn't be inquiring
you mayn't be inquiring
he mayn't be inquiring
we mayn't be inquiring
you mayn't be inquiring
they mayn't be inquiring	I mayn't have inquired
you mayn't have inquired
he mayn't have inquired
we mayn't have inquired
you mayn't have inquired
they mayn't have inquired	I mayn't have been inquiring
you mayn't have been inquiring
he mayn't have been inquiring
we mayn't have been inquiring
you mayn't have been inquiring
they mayn't have been inquiring	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I inquire?
may you inquire?
may he inquire?
may we inquire?
may you inquire?
may they inquire? 	may I be inquiring?
may you be inquiring?
may he be inquiring?
may we be inquiring?
may you be inquiring?
may they be inquiring? 	may I have inquired?
may you have inquired?
may he have inquired?
may we have inquired?
may you have inquired?
may they have inquired? 	may I have been inquiring?
may you have been inquiring?
may he have been inquiring?
may we have been inquiring?
may you have been inquiring?
may they have been inquiring? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mayn't I inquire?
mayn't you inquire?
mayn't he inquire?
mayn't we inquire?
mayn't you inquire?
mayn't they inquire? 	mayn't I be inquiring?
mayn't you be inquiring?
mayn't he be inquiring?
mayn't we be inquiring?
mayn't you be inquiring?
mayn't they be inquiring? 	mayn't I have inquired?
mayn't you have inquired?
mayn't he have inquired?
mayn't we have inquired?
mayn't you have inquired?
mayn't they have inquired? 	mayn't I have been inquiring?
mayn't you have been inquiring?
mayn't he have been inquiring?
mayn't we have been inquiring?
mayn't you have been inquiring?
mayn't they have been inquiring?