English verb conjugation
MAY CHALLENGE

Regular verb: challenge - challenged - challenged

Affirmation

Simple form	V-ing form
I may challenge you may challenge she may challenge we may challenge you may challenge they may challenge	I may be challenging you may be challenging she may be challenging we may be challenging you may be challenging they may be challenging
Perfect	V-ing perfect
I may have challenged you may have challenged she may have challenged we may have challenged you may have challenged they may have challenged	I may have been challenging you may have been challenging she may have been challenging we may have been challenging you may have been challenging they may have been challenging

Negation

Simple form	V-ing form
I mayn't challenge you mayn't challenge she mayn't challenge we mayn't challenge you mayn't challenge they mayn't challenge	I mayn't be challenging you mayn't be challenging she mayn't be challenging we mayn't be challenging you mayn't be challenging they mayn't be challenging
Perfect	V-ing perfect
I mayn't have challenged you mayn't have challenged she mayn't have challenged we mayn't have challenged you mayn't have challenged they mayn't have challenged	I mayn't have been challenging you mayn't have been challenging she mayn't have been challenging we mayn't have been challenging you mayn't have been challenging they mayn't have been challenging

Interrogative form

Simple form	V-ing form
may I challenge? may you challenge? may she challenge? may we challenge? may you challenge? may they challenge?	may I be challenging? may you be challenging? may she be challenging? may we be challenging? may you be challenging? may they be challenging?
Perfect	V-ing perfect
may I have challenged? may you have challenged? may she have challenged? may we have challenged? may you have challenged? may they have challenged?	may I have been challenging? may you have been challenging? may she have been challenging? may we have been challenging? may you have been challenging? may they have been challenging?

Interro-negative form

Simple form	V-ing form
mayn't I challenge? mayn't you challenge? mayn't she challenge? mayn't we challenge? mayn't you challenge? mayn't they challenge?	mayn't I be challenging? mayn't you be challenging? mayn't she be challenging? mayn't we be challenging? mayn't you be challenging? mayn't they be challenging?
Perfect	V-ing perfect
mayn't I have challenged? mayn't you have challenged? mayn't she have challenged? mayn't we have challenged? mayn't you have challenged? mayn't they have challenged?	mayn't I have been challenging? mayn't you have been challenging? mayn't she have been challenging? mayn't we have been challenging? mayn't you have been challenging? mayn't they have been challenging?