English verb conjugation
MAY THREATEN

Regular verb: threaten - threatened - threatened

Affirmation

Simple form	V-ing form
I may threaten you may threaten she may threaten we may threaten you may threaten they may threaten	I may be threatening you may be threatening she may be threatening we may be threatening you may be threatening they may be threatening
Perfect	V-ing perfect
I may have threatened you may have threatened she may have threatened we may have threatened you may have threatened they may have threatened	I may have been threatening you may have been threatening she may have been threatening we may have been threatening you may have been threatening they may have been threatening

Negation

Simple form	V-ing form
I mayn't threaten you mayn't threaten she mayn't threaten we mayn't threaten you mayn't threaten they mayn't threaten	I mayn't be threatening you mayn't be threatening she mayn't be threatening we mayn't be threatening you mayn't be threatening they mayn't be threatening
Perfect	V-ing perfect
I mayn't have threatened you mayn't have threatened she mayn't have threatened we mayn't have threatened you mayn't have threatened they mayn't have threatened	I mayn't have been threatening you mayn't have been threatening she mayn't have been threatening we mayn't have been threatening you mayn't have been threatening they mayn't have been threatening

Interrogative form

Simple form	V-ing form
may I threaten? may you threaten? may she threaten? may we threaten? may you threaten? may they threaten?	may I be threatening? may you be threatening? may she be threatening? may we be threatening? may you be threatening? may they be threatening?
Perfect	V-ing perfect
may I have threatened? may you have threatened? may she have threatened? may we have threatened? may you have threatened? may they have threatened?	may I have been threatening? may you have been threatening? may she have been threatening? may we have been threatening? may you have been threatening? may they have been threatening?

Interro-negative form

Simple form	V-ing form
mayn't I threaten? mayn't you threaten? mayn't she threaten? mayn't we threaten? mayn't you threaten? mayn't they threaten?	mayn't I be threatening? mayn't you be threatening? mayn't she be threatening? mayn't we be threatening? mayn't you be threatening? mayn't they be threatening?
Perfect	V-ing perfect
mayn't I have threatened? mayn't you have threatened? mayn't she have threatened? mayn't we have threatened? mayn't you have threatened? mayn't they have threatened?	mayn't I have been threatening? mayn't you have been threatening? mayn't she have been threatening? mayn't we have been threatening? mayn't you have been threatening? mayn't they have been threatening?