must misfire
Regular verb: misfire - misfired- misfired

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must misfire
you must misfire
he must misfire
we must misfire
you must misfire
they must misfire 	I must be misfiring
you must be misfiring
he must be misfiring
we must be misfiring
you must be misfiring
they must be misfiring	I must have misfired
you must have misfired
he must have misfired
we must have misfired
you must have misfired
they must have misfired	I must have been misfiring
you must have been misfiring
he must have been misfiring
we must have been misfiring
you must have been misfiring
they must have been misfiring	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must not misfire
you must not misfire
he must not misfire
we must not misfire
you must not misfire
they must not misfire 	I must not be misfiring
you must not be misfiring
he must not be misfiring
we must not be misfiring
you must not be misfiring
they must not be misfiring	I must not have misfired
you must not have misfired
he must not have misfired
we must not have misfired
you must not have misfired
they must not have misfired	I must not have been misfiring
you must not have been misfiring
he must not have been misfiring
we must not have been misfiring
you must not have been misfiring
they must not have been misfiring	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I misfire?
must you misfire?
must he misfire?
must we misfire?
must you misfire?
must they misfire? 	must I be misfiring?
must you be misfiring?
must he be misfiring?
must we be misfiring?
must you be misfiring?
must they be misfiring? 	must I have misfired?
must you have misfired?
must he have misfired?
must we have misfired?
must you have misfired?
must they have misfired? 	must I have been misfiring?
must you have been misfiring?
must he have been misfiring?
must we have been misfiring?
must you have been misfiring?
must they have been misfiring? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I not misfire?
must you not misfire?
must he not misfire?
must we not misfire?
must you not misfire?
must they not misfire? 	must I not be misfiring?
must you not be misfiring?
must he not be misfiring?
must we not be misfiring?
must you not be misfiring?
must they not be misfiring? 	must I not have misfired?
must you not have misfired?
must he not have misfired?
must we not have misfired?
must you not have misfired?
must they not have misfired? 	must I not have been misfiring?
must you not have been misfiring?
must he not have been misfiring?
must we not have been misfiring?
must you not have been misfiring?
must they not have been misfiring?