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 must not halter
you must not halter
she must not halter
we must not halter
you must not halter
they must not halter 	I must not be haltering
you must not be haltering
she must not be haltering
we must not be haltering
you must not be haltering
they must not be haltering	I must not have haltered
you must not have haltered
she must not have haltered
we must not have haltered
you must not have haltered
they must not have haltered	I must not have been haltering
you must not have been haltering
she must not have been haltering
we must not have been haltering
you must not have been haltering
they must not 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 	
must I not halter?
must you not halter?
must she not halter?
must we not halter?
must you not halter?
must they not halter? 	must I not be haltering?
must you not be haltering?
must she not be haltering?
must we not be haltering?
must you not be haltering?
must they not be haltering? 	must I not have haltered?
must you not have haltered?
must she not have haltered?
must we not have haltered?
must you not have haltered?
must they not have haltered? 	must I not have been haltering?
must you not have been haltering?
must she not have been haltering?
must we not have been haltering?
must you not have been haltering?
must they not have been haltering?