English verb conjugation
MAY DOUBLE

Regular verb: double - doubled - doubled

Affirmation

Simple form	V-ing form
I may double you may double she may double we may double you may double they may double	I may be doubling you may be doubling she may be doubling we may be doubling you may be doubling they may be doubling
Perfect	V-ing perfect
I may have doubled you may have doubled she may have doubled we may have doubled you may have doubled they may have doubled	I may have been doubling you may have been doubling she may have been doubling we may have been doubling you may have been doubling they may have been doubling

Negation

Simple form	V-ing form
I mayn't double you mayn't double she mayn't double we mayn't double you mayn't double they mayn't double	I mayn't be doubling you mayn't be doubling she mayn't be doubling we mayn't be doubling you mayn't be doubling they mayn't be doubling
Perfect	V-ing perfect
I mayn't have doubled you mayn't have doubled she mayn't have doubled we mayn't have doubled you mayn't have doubled they mayn't have doubled	I mayn't have been doubling you mayn't have been doubling she mayn't have been doubling we mayn't have been doubling you mayn't have been doubling they mayn't have been doubling

Interrogative form

Simple form	V-ing form
may I double? may you double? may she double? may we double? may you double? may they double?	may I be doubling? may you be doubling? may she be doubling? may we be doubling? may you be doubling? may they be doubling?
Perfect	V-ing perfect
may I have doubled? may you have doubled? may she have doubled? may we have doubled? may you have doubled? may they have doubled?	may I have been doubling? may you have been doubling? may she have been doubling? may we have been doubling? may you have been doubling? may they have been doubling?

Interro-negative form

Simple form	V-ing form
mayn't I double? mayn't you double? mayn't she double? mayn't we double? mayn't you double? mayn't they double?	mayn't I be doubling? mayn't you be doubling? mayn't she be doubling? mayn't we be doubling? mayn't you be doubling? mayn't they be doubling?
Perfect	V-ing perfect
mayn't I have doubled? mayn't you have doubled? mayn't she have doubled? mayn't we have doubled? mayn't you have doubled? mayn't they have doubled?	mayn't I have been doubling? mayn't you have been doubling? mayn't she have been doubling? mayn't we have been doubling? mayn't you have been doubling? mayn't they have been doubling?