English verb conjugation
MAY DOUBLE

Regular verb: double - doubled - doubled

Affirmation

Simple form	V-ing form
I may double you may double he may double we may double you may double they may double	I may be doubling you may be doubling he 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 he 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 he 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 he 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 he 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 he 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 he 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 he double? may we double? may you double? may they double?	may I be doubling? may you be doubling? may he 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 he 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 he 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 he 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 he 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 he 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 he have been doubling? mayn't we have been doubling? mayn't you have been doubling? mayn't they have been doubling?