English verb conjugation
MUST HALT

Regular verb: halt - halted - halted

Affirmation

Simple form	V-ing form
I must halt you must halt he must halt we must halt you must halt they must halt	I must be halting you must be halting he must be halting we must be halting you must be halting they must be halting
Perfect	V-ing perfect
I must have halted you must have halted he must have halted we must have halted you must have halted they must have halted	I must have been halting you must have been halting he must have been halting we must have been halting you must have been halting they must have been halting

Negation

Simple form	V-ing form
I mustn't halt you mustn't halt he mustn't halt we mustn't halt you mustn't halt they mustn't halt	I mustn't be halting you mustn't be halting he mustn't be halting we mustn't be halting you mustn't be halting they mustn't be halting
Perfect	V-ing perfect
I mustn't have halted you mustn't have halted he mustn't have halted we mustn't have halted you mustn't have halted they mustn't have halted	I mustn't have been halting you mustn't have been halting he mustn't have been halting we mustn't have been halting you mustn't have been halting they mustn't have been halting

Interrogative form

Simple form	V-ing form
must I halt? must you halt? must he halt? must we halt? must you halt? must they halt?	must I be halting? must you be halting? must he be halting? must we be halting? must you be halting? must they be halting?
Perfect	V-ing perfect
must I have halted? must you have halted? must he have halted? must we have halted? must you have halted? must they have halted?	must I have been halting? must you have been halting? must he have been halting? must we have been halting? must you have been halting? must they have been halting?

Interro-negative form

Simple form	V-ing form
mustn't I halt? mustn't you halt? mustn't he halt? mustn't we halt? mustn't you halt? mustn't they halt?	mustn't I be halting? mustn't you be halting? mustn't he be halting? mustn't we be halting? mustn't you be halting? mustn't they be halting?
Perfect	V-ing perfect
mustn't I have halted? mustn't you have halted? mustn't he have halted? mustn't we have halted? mustn't you have halted? mustn't they have halted?	mustn't I have been halting? mustn't you have been halting? mustn't he have been halting? mustn't we have been halting? mustn't you have been halting? mustn't they have been halting?