must configure
Regular verb: configure - configured- configured

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must configure
you must configure
he must configure
we must configure
you must configure
they must configure 	I must be configuring
you must be configuring
he must be configuring
we must be configuring
you must be configuring
they must be configuring	I must have configured
you must have configured
he must have configured
we must have configured
you must have configured
they must have configured	I must have been configuring
you must have been configuring
he must have been configuring
we must have been configuring
you must have been configuring
they must have been configuring	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must not configure
you must not configure
he must not configure
we must not configure
you must not configure
they must not configure 	I must not be configuring
you must not be configuring
he must not be configuring
we must not be configuring
you must not be configuring
they must not be configuring	I must not have configured
you must not have configured
he must not have configured
we must not have configured
you must not have configured
they must not have configured	I must not have been configuring
you must not have been configuring
he must not have been configuring
we must not have been configuring
you must not have been configuring
they must not have been configuring	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I configure?
must you configure?
must he configure?
must we configure?
must you configure?
must they configure? 	must I be configuring?
must you be configuring?
must he be configuring?
must we be configuring?
must you be configuring?
must they be configuring? 	must I have configured?
must you have configured?
must he have configured?
must we have configured?
must you have configured?
must they have configured? 	must I have been configuring?
must you have been configuring?
must he have been configuring?
must we have been configuring?
must you have been configuring?
must they have been configuring? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I not configure?
must you not configure?
must he not configure?
must we not configure?
must you not configure?
must they not configure? 	must I not be configuring?
must you not be configuring?
must he not be configuring?
must we not be configuring?
must you not be configuring?
must they not be configuring? 	must I not have configured?
must you not have configured?
must he not have configured?
must we not have configured?
must you not have configured?
must they not have configured? 	must I not have been configuring?
must you not have been configuring?
must he not have been configuring?
must we not have been configuring?
must you not have been configuring?
must they not have been configuring?