I may untie you may untie she may untie we may untie you may untie they may untie
V-ing form
I may be untying you may be untying she may be untying we may be untying you may be untying they may be untying
Perfect
I may have untied you may have untied she may have untied we may have untied you may have untied they may have untied
V-ing perfect
I may have been untying you may have been untying she may have been untying we may have been untying you may have been untying they may have been untying
Negation
Simple form
I may not untie you may not untie she may not untie we may not untie you may not untie they may not untie
V-ing form
I may not be untying you may not be untying she may not be untying we may not be untying you may not be untying they may not be untying
Perfect
I may not have untied you may not have untied she may not have untied we may not have untied you may not have untied they may not have untied
V-ing perfect
I may not have been untying you may not have been untying she may not have been untying we may not have been untying you may not have been untying they may not have been untying
Interrogative form
Simple form
may I untie? may you untie? may she untie? may we untie? may you untie? may they untie?
V-ing form
may I be untying? may you be untying? may she be untying? may we be untying? may you be untying? may they be untying?
Perfect
may I have untied? may you have untied? may she have untied? may we have untied? may you have untied? may they have untied?
V-ing perfect
may I have been untying? may you have been untying? may she have been untying? may we have been untying? may you have been untying? may they have been untying?
Interro-negative form
Simple form
may I not untie? may you not untie? may she not untie? may we not untie? may you not untie? may they not untie?
V-ing form
may I not be untying? may you not be untying? may she not be untying? may we not be untying? may you not be untying? may they not be untying?
Perfect
may I not have untied? may you not have untied? may she not have untied? may we not have untied? may you not have untied? may they not have untied?
V-ing perfect
may I not have been untying? may you not have been untying? may she not have been untying? may we not have been untying? may you not have been untying? may they not have been untying?