English verb conjugation
MAY SIED

Regular verb: sied - sieded - sieded

Affirmation

Simple form	V-ing form
I may sied you may sied she may sied we may sied you may sied they may sied	I may be sieding you may be sieding she may be sieding we may be sieding you may be sieding they may be sieding
Perfect	V-ing perfect
I may have sieded you may have sieded she may have sieded we may have sieded you may have sieded they may have sieded	I may have been sieding you may have been sieding she may have been sieding we may have been sieding you may have been sieding they may have been sieding

Negation

Simple form	V-ing form
I mayn't sied you mayn't sied she mayn't sied we mayn't sied you mayn't sied they mayn't sied	I mayn't be sieding you mayn't be sieding she mayn't be sieding we mayn't be sieding you mayn't be sieding they mayn't be sieding
Perfect	V-ing perfect
I mayn't have sieded you mayn't have sieded she mayn't have sieded we mayn't have sieded you mayn't have sieded they mayn't have sieded	I mayn't have been sieding you mayn't have been sieding she mayn't have been sieding we mayn't have been sieding you mayn't have been sieding they mayn't have been sieding

Interrogative form

Simple form	V-ing form
may I sied? may you sied? may she sied? may we sied? may you sied? may they sied?	may I be sieding? may you be sieding? may she be sieding? may we be sieding? may you be sieding? may they be sieding?
Perfect	V-ing perfect
may I have sieded? may you have sieded? may she have sieded? may we have sieded? may you have sieded? may they have sieded?	may I have been sieding? may you have been sieding? may she have been sieding? may we have been sieding? may you have been sieding? may they have been sieding?

Interro-negative form

Simple form	V-ing form
mayn't I sied? mayn't you sied? mayn't she sied? mayn't we sied? mayn't you sied? mayn't they sied?	mayn't I be sieding? mayn't you be sieding? mayn't she be sieding? mayn't we be sieding? mayn't you be sieding? mayn't they be sieding?
Perfect	V-ing perfect
mayn't I have sieded? mayn't you have sieded? mayn't she have sieded? mayn't we have sieded? mayn't you have sieded? mayn't they have sieded?	mayn't I have been sieding? mayn't you have been sieding? mayn't she have been sieding? mayn't we have been sieding? mayn't you have been sieding? mayn't they have been sieding?