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