I may keyboard you may keyboard he may keyboard we may keyboard you may keyboard they may keyboard
V-ing form
I may be keyboarding you may be keyboarding he may be keyboarding we may be keyboarding you may be keyboarding they may be keyboarding
Perfect
I may have keyboarded you may have keyboarded he may have keyboarded we may have keyboarded you may have keyboarded they may have keyboarded
V-ing perfect
I may have been keyboarding you may have been keyboarding he may have been keyboarding we may have been keyboarding you may have been keyboarding they may have been keyboarding
Negation
Simple form
I may not keyboard you may not keyboard he may not keyboard we may not keyboard you may not keyboard they may not keyboard
V-ing form
I may not be keyboarding you may not be keyboarding he may not be keyboarding we may not be keyboarding you may not be keyboarding they may not be keyboarding
Perfect
I may not have keyboarded you may not have keyboarded he may not have keyboarded we may not have keyboarded you may not have keyboarded they may not have keyboarded
V-ing perfect
I may not have been keyboarding you may not have been keyboarding he may not have been keyboarding we may not have been keyboarding you may not have been keyboarding they may not have been keyboarding
Interrogative form
Simple form
may I keyboard? may you keyboard? may he keyboard? may we keyboard? may you keyboard? may they keyboard?
V-ing form
may I be keyboarding? may you be keyboarding? may he be keyboarding? may we be keyboarding? may you be keyboarding? may they be keyboarding?
Perfect
may I have keyboarded? may you have keyboarded? may he have keyboarded? may we have keyboarded? may you have keyboarded? may they have keyboarded?
V-ing perfect
may I have been keyboarding? may you have been keyboarding? may he have been keyboarding? may we have been keyboarding? may you have been keyboarding? may they have been keyboarding?
Interro-negative form
Simple form
may I not keyboard? may you not keyboard? may he not keyboard? may we not keyboard? may you not keyboard? may they not keyboard?
V-ing form
may I not be keyboarding? may you not be keyboarding? may he not be keyboarding? may we not be keyboarding? may you not be keyboarding? may they not be keyboarding?
Perfect
may I not have keyboarded? may you not have keyboarded? may he not have keyboarded? may we not have keyboarded? may you not have keyboarded? may they not have keyboarded?
V-ing perfect
may I not have been keyboarding? may you not have been keyboarding? may he not have been keyboarding? may we not have been keyboarding? may you not have been keyboarding? may they not have been keyboarding?