I may cover you may cover she may cover we may cover you may cover they may cover
V-ing form
I may be covering you may be covering she may be covering we may be covering you may be covering they may be covering
Perfect
I may have covered you may have covered she may have covered we may have covered you may have covered they may have covered
V-ing perfect
I may have been covering you may have been covering she may have been covering we may have been covering you may have been covering they may have been covering
Negation
Simple form
I mayn't cover you mayn't cover she mayn't cover we mayn't cover you mayn't cover they mayn't cover
V-ing form
I mayn't be covering you mayn't be covering she mayn't be covering we mayn't be covering you mayn't be covering they mayn't be covering
Perfect
I mayn't have covered you mayn't have covered she mayn't have covered we mayn't have covered you mayn't have covered they mayn't have covered
V-ing perfect
I mayn't have been covering you mayn't have been covering she mayn't have been covering we mayn't have been covering you mayn't have been covering they mayn't have been covering
Interrogative form
Simple form
may I cover? may you cover? may she cover? may we cover? may you cover? may they cover?
V-ing form
may I be covering? may you be covering? may she be covering? may we be covering? may you be covering? may they be covering?
Perfect
may I have covered? may you have covered? may she have covered? may we have covered? may you have covered? may they have covered?
V-ing perfect
may I have been covering? may you have been covering? may she have been covering? may we have been covering? may you have been covering? may they have been covering?
Interro-negative form
Simple form
mayn't I cover? mayn't you cover? mayn't she cover? mayn't we cover? mayn't you cover? mayn't they cover?
V-ing form
mayn't I be covering? mayn't you be covering? mayn't she be covering? mayn't we be covering? mayn't you be covering? mayn't they be covering?
Perfect
mayn't I have covered? mayn't you have covered? mayn't she have covered? mayn't we have covered? mayn't you have covered? mayn't they have covered?
V-ing perfect
mayn't I have been covering? mayn't you have been covering? mayn't she have been covering? mayn't we have been covering? mayn't you have been covering? mayn't they have been covering?