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