must halter
Regular verb: halter - haltered- haltered

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must halter
you must halter
she must halter
we must halter
you must halter
they must halter 	I must be haltering
you must be haltering
she must be haltering
we must be haltering
you must be haltering
they must be haltering	I must have haltered
you must have haltered
she must have haltered
we must have haltered
you must have haltered
they must have haltered	I must have been haltering
you must have been haltering
she must have been haltering
we must have been haltering
you must have been haltering
they must have been haltering	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mustn't halter
you mustn't halter
she mustn't halter
we mustn't halter
you mustn't halter
they mustn't halter 	I mustn't be haltering
you mustn't be haltering
she mustn't be haltering
we mustn't be haltering
you mustn't be haltering
they mustn't be haltering	I mustn't have haltered
you mustn't have haltered
she mustn't have haltered
we mustn't have haltered
you mustn't have haltered
they mustn't have haltered	I mustn't have been haltering
you mustn't have been haltering
she mustn't have been haltering
we mustn't have been haltering
you mustn't have been haltering
they mustn't have been haltering	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I halter?
must you halter?
must she halter?
must we halter?
must you halter?
must they halter? 	must I be haltering?
must you be haltering?
must she be haltering?
must we be haltering?
must you be haltering?
must they be haltering? 	must I have haltered?
must you have haltered?
must she have haltered?
must we have haltered?
must you have haltered?
must they have haltered? 	must I have been haltering?
must you have been haltering?
must she have been haltering?
must we have been haltering?
must you have been haltering?
must they have been haltering? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mustn't I halter?
mustn't you halter?
mustn't she halter?
mustn't we halter?
mustn't you halter?
mustn't they halter? 	mustn't I be haltering?
mustn't you be haltering?
mustn't she be haltering?
mustn't we be haltering?
mustn't you be haltering?
mustn't they be haltering? 	mustn't I have haltered?
mustn't you have haltered?
mustn't she have haltered?
mustn't we have haltered?
mustn't you have haltered?
mustn't they have haltered? 	mustn't I have been haltering?
mustn't you have been haltering?
mustn't she have been haltering?
mustn't we have been haltering?
mustn't you have been haltering?
mustn't they have been haltering?