English verb conjugation
MAY MASK

Regular verb: mask - masked - masked

Affirmation

Simple form	V-ing form
I may mask you may mask he may mask we may mask you may mask they may mask	I may be masking you may be masking he may be masking we may be masking you may be masking they may be masking
Perfect	V-ing perfect
I may have masked you may have masked he may have masked we may have masked you may have masked they may have masked	I may have been masking you may have been masking he may have been masking we may have been masking you may have been masking they may have been masking

Negation

Simple form	V-ing form
I mayn't mask you mayn't mask he mayn't mask we mayn't mask you mayn't mask they mayn't mask	I mayn't be masking you mayn't be masking he mayn't be masking we mayn't be masking you mayn't be masking they mayn't be masking
Perfect	V-ing perfect
I mayn't have masked you mayn't have masked he mayn't have masked we mayn't have masked you mayn't have masked they mayn't have masked	I mayn't have been masking you mayn't have been masking he mayn't have been masking we mayn't have been masking you mayn't have been masking they mayn't have been masking

Interrogative form

Simple form	V-ing form
may I mask? may you mask? may he mask? may we mask? may you mask? may they mask?	may I be masking? may you be masking? may he be masking? may we be masking? may you be masking? may they be masking?
Perfect	V-ing perfect
may I have masked? may you have masked? may he have masked? may we have masked? may you have masked? may they have masked?	may I have been masking? may you have been masking? may he have been masking? may we have been masking? may you have been masking? may they have been masking?

Interro-negative form

Simple form	V-ing form
mayn't I mask? mayn't you mask? mayn't he mask? mayn't we mask? mayn't you mask? mayn't they mask?	mayn't I be masking? mayn't you be masking? mayn't he be masking? mayn't we be masking? mayn't you be masking? mayn't they be masking?
Perfect	V-ing perfect
mayn't I have masked? mayn't you have masked? mayn't he have masked? mayn't we have masked? mayn't you have masked? mayn't they have masked?	mayn't I have been masking? mayn't you have been masking? mayn't he have been masking? mayn't we have been masking? mayn't you have been masking? mayn't they have been masking?