English verb conjugation
MAY KEY

Regular verb: key - keyed - keyed

Affirmation

Simple form	V-ing form
I may key you may key he may key we may key you may key they may key	I may be keying you may be keying he may be keying we may be keying you may be keying they may be keying
Perfect	V-ing perfect
I may have keyed you may have keyed he may have keyed we may have keyed you may have keyed they may have keyed	I may have been keying you may have been keying he may have been keying we may have been keying you may have been keying they may have been keying

Negation

Simple form	V-ing form
I mayn't key you mayn't key he mayn't key we mayn't key you mayn't key they mayn't key	I mayn't be keying you mayn't be keying he mayn't be keying we mayn't be keying you mayn't be keying they mayn't be keying
Perfect	V-ing perfect
I mayn't have keyed you mayn't have keyed he mayn't have keyed we mayn't have keyed you mayn't have keyed they mayn't have keyed	I mayn't have been keying you mayn't have been keying he mayn't have been keying we mayn't have been keying you mayn't have been keying they mayn't have been keying

Interrogative form

Simple form	V-ing form
may I key? may you key? may he key? may we key? may you key? may they key?	may I be keying? may you be keying? may he be keying? may we be keying? may you be keying? may they be keying?
Perfect	V-ing perfect
may I have keyed? may you have keyed? may he have keyed? may we have keyed? may you have keyed? may they have keyed?	may I have been keying? may you have been keying? may he have been keying? may we have been keying? may you have been keying? may they have been keying?

Interro-negative form

Simple form	V-ing form
mayn't I key? mayn't you key? mayn't he key? mayn't we key? mayn't you key? mayn't they key?	mayn't I be keying? mayn't you be keying? mayn't he be keying? mayn't we be keying? mayn't you be keying? mayn't they be keying?
Perfect	V-ing perfect
mayn't I have keyed? mayn't you have keyed? mayn't he have keyed? mayn't we have keyed? mayn't you have keyed? mayn't they have keyed?	mayn't I have been keying? mayn't you have been keying? mayn't he have been keying? mayn't we have been keying? mayn't you have been keying? mayn't they have been keying?