must attire
Regular verb: attire - attired- attired

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must attire
you must attire
he must attire
we must attire
you must attire
they must attire 	I must be attiring
you must be attiring
he must be attiring
we must be attiring
you must be attiring
they must be attiring	I must have attired
you must have attired
he must have attired
we must have attired
you must have attired
they must have attired	I must have been attiring
you must have been attiring
he must have been attiring
we must have been attiring
you must have been attiring
they must have been attiring	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must not attire
you must not attire
he must not attire
we must not attire
you must not attire
they must not attire 	I must not be attiring
you must not be attiring
he must not be attiring
we must not be attiring
you must not be attiring
they must not be attiring	I must not have attired
you must not have attired
he must not have attired
we must not have attired
you must not have attired
they must not have attired	I must not have been attiring
you must not have been attiring
he must not have been attiring
we must not have been attiring
you must not have been attiring
they must not have been attiring	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I attire?
must you attire?
must he attire?
must we attire?
must you attire?
must they attire? 	must I be attiring?
must you be attiring?
must he be attiring?
must we be attiring?
must you be attiring?
must they be attiring? 	must I have attired?
must you have attired?
must he have attired?
must we have attired?
must you have attired?
must they have attired? 	must I have been attiring?
must you have been attiring?
must he have been attiring?
must we have been attiring?
must you have been attiring?
must they have been attiring? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I not attire?
must you not attire?
must he not attire?
must we not attire?
must you not attire?
must they not attire? 	must I not be attiring?
must you not be attiring?
must he not be attiring?
must we not be attiring?
must you not be attiring?
must they not be attiring? 	must I not have attired?
must you not have attired?
must he not have attired?
must we not have attired?
must you not have attired?
must they not have attired? 	must I not have been attiring?
must you not have been attiring?
must he not have been attiring?
must we not have been attiring?
must you not have been attiring?
must they not have been attiring?