English verb conjugation
MAY HAVE

Irregular verb: have - had - had

Affirmation

Simple form	V-ing form
I may have you may have he may have we may have you may have they may have	I may be having you may be having he may be having we may be having you may be having they may be having
Perfect	V-ing perfect
I may have had you may have had he may have had we may have had you may have had they may have had	I may have been having you may have been having he may have been having we may have been having you may have been having they may have been having

Negation

Simple form	V-ing form
I mayn't have you mayn't have he mayn't have we mayn't have you mayn't have they mayn't have	I mayn't be having you mayn't be having he mayn't be having we mayn't be having you mayn't be having they mayn't be having
Perfect	V-ing perfect
I mayn't have had you mayn't have had he mayn't have had we mayn't have had you mayn't have had they mayn't have had	I mayn't have been having you mayn't have been having he mayn't have been having we mayn't have been having you mayn't have been having they mayn't have been having

Interrogative form

Simple form	V-ing form
may I have? may you have? may he have? may we have? may you have? may they have?	may I be having? may you be having? may he be having? may we be having? may you be having? may they be having?
Perfect	V-ing perfect
may I have had? may you have had? may he have had? may we have had? may you have had? may they have had?	may I have been having? may you have been having? may he have been having? may we have been having? may you have been having? may they have been having?

Interro-negative form

Simple form	V-ing form
mayn't I have? mayn't you have? mayn't he have? mayn't we have? mayn't you have? mayn't they have?	mayn't I be having? mayn't you be having? mayn't he be having? mayn't we be having? mayn't you be having? mayn't they be having?
Perfect	V-ing perfect
mayn't I have had? mayn't you have had? mayn't he have had? mayn't we have had? mayn't you have had? mayn't they have had?	mayn't I have been having? mayn't you have been having? mayn't he have been having? mayn't we have been having? mayn't you have been having? mayn't they have been having?