must subdue
Regular verb: subdue - subdued- subdued

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must subdue
you must subdue
he must subdue
we must subdue
you must subdue
they must subdue 	I must be subduing
you must be subduing
he must be subduing
we must be subduing
you must be subduing
they must be subduing	I must have subdued
you must have subdued
he must have subdued
we must have subdued
you must have subdued
they must have subdued	I must have been subduing
you must have been subduing
he must have been subduing
we must have been subduing
you must have been subduing
they must have been subduing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must not subdue
you must not subdue
he must not subdue
we must not subdue
you must not subdue
they must not subdue 	I must not be subduing
you must not be subduing
he must not be subduing
we must not be subduing
you must not be subduing
they must not be subduing	I must not have subdued
you must not have subdued
he must not have subdued
we must not have subdued
you must not have subdued
they must not have subdued	I must not have been subduing
you must not have been subduing
he must not have been subduing
we must not have been subduing
you must not have been subduing
they must not have been subduing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I subdue?
must you subdue?
must he subdue?
must we subdue?
must you subdue?
must they subdue? 	must I be subduing?
must you be subduing?
must he be subduing?
must we be subduing?
must you be subduing?
must they be subduing? 	must I have subdued?
must you have subdued?
must he have subdued?
must we have subdued?
must you have subdued?
must they have subdued? 	must I have been subduing?
must you have been subduing?
must he have been subduing?
must we have been subduing?
must you have been subduing?
must they have been subduing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I not subdue?
must you not subdue?
must he not subdue?
must we not subdue?
must you not subdue?
must they not subdue? 	must I not be subduing?
must you not be subduing?
must he not be subduing?
must we not be subduing?
must you not be subduing?
must they not be subduing? 	must I not have subdued?
must you not have subdued?
must he not have subdued?
must we not have subdued?
must you not have subdued?
must they not have subdued? 	must I not have been subduing?
must you not have been subduing?
must he not have been subduing?
must we not have been subduing?
must you not have been subduing?
must they not have been subduing?