English verb conjugation
MAY FROWN

Regular verb: frown - frowned - frowned

Affirmation

Simple form	V-ing form
I may frown you may frown he may frown we may frown you may frown they may frown	I may be frowning you may be frowning he may be frowning we may be frowning you may be frowning they may be frowning
Perfect	V-ing perfect
I may have frowned you may have frowned he may have frowned we may have frowned you may have frowned they may have frowned	I may have been frowning you may have been frowning he may have been frowning we may have been frowning you may have been frowning they may have been frowning

Negation

Simple form	V-ing form
I mayn't frown you mayn't frown he mayn't frown we mayn't frown you mayn't frown they mayn't frown	I mayn't be frowning you mayn't be frowning he mayn't be frowning we mayn't be frowning you mayn't be frowning they mayn't be frowning
Perfect	V-ing perfect
I mayn't have frowned you mayn't have frowned he mayn't have frowned we mayn't have frowned you mayn't have frowned they mayn't have frowned	I mayn't have been frowning you mayn't have been frowning he mayn't have been frowning we mayn't have been frowning you mayn't have been frowning they mayn't have been frowning

Interrogative form

Simple form	V-ing form
may I frown? may you frown? may he frown? may we frown? may you frown? may they frown?	may I be frowning? may you be frowning? may he be frowning? may we be frowning? may you be frowning? may they be frowning?
Perfect	V-ing perfect
may I have frowned? may you have frowned? may he have frowned? may we have frowned? may you have frowned? may they have frowned?	may I have been frowning? may you have been frowning? may he have been frowning? may we have been frowning? may you have been frowning? may they have been frowning?

Interro-negative form

Simple form	V-ing form
mayn't I frown? mayn't you frown? mayn't he frown? mayn't we frown? mayn't you frown? mayn't they frown?	mayn't I be frowning? mayn't you be frowning? mayn't he be frowning? mayn't we be frowning? mayn't you be frowning? mayn't they be frowning?
Perfect	V-ing perfect
mayn't I have frowned? mayn't you have frowned? mayn't he have frowned? mayn't we have frowned? mayn't you have frowned? mayn't they have frowned?	mayn't I have been frowning? mayn't you have been frowning? mayn't he have been frowning? mayn't we have been frowning? mayn't you have been frowning? mayn't they have been frowning?