I may curd you may curd he may curd we may curd you may curd they may curd
V-ing form
I may be curding you may be curding he may be curding we may be curding you may be curding they may be curding
Perfect
I may have curded you may have curded he may have curded we may have curded you may have curded they may have curded
V-ing perfect
I may have been curding you may have been curding he may have been curding we may have been curding you may have been curding they may have been curding
Negation
Simple form
I may not curd you may not curd he may not curd we may not curd you may not curd they may not curd
V-ing form
I may not be curding you may not be curding he may not be curding we may not be curding you may not be curding they may not be curding
Perfect
I may not have curded you may not have curded he may not have curded we may not have curded you may not have curded they may not have curded
V-ing perfect
I may not have been curding you may not have been curding he may not have been curding we may not have been curding you may not have been curding they may not have been curding
Interrogative form
Simple form
may I curd? may you curd? may he curd? may we curd? may you curd? may they curd?
V-ing form
may I be curding? may you be curding? may he be curding? may we be curding? may you be curding? may they be curding?
Perfect
may I have curded? may you have curded? may he have curded? may we have curded? may you have curded? may they have curded?
V-ing perfect
may I have been curding? may you have been curding? may he have been curding? may we have been curding? may you have been curding? may they have been curding?
Interro-negative form
Simple form
may I not curd? may you not curd? may he not curd? may we not curd? may you not curd? may they not curd?
V-ing form
may I not be curding? may you not be curding? may he not be curding? may we not be curding? may you not be curding? may they not be curding?
Perfect
may I not have curded? may you not have curded? may he not have curded? may we not have curded? may you not have curded? may they not have curded?
V-ing perfect
may I not have been curding? may you not have been curding? may he not have been curding? may we not have been curding? may you not have been curding? may they not have been curding?