must overclassify
Regular verb: overclassify - overclassified- overclassified

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must overclassify
you must overclassify
he must overclassify
we must overclassify
you must overclassify
they must overclassify 	I must be overclassifying
you must be overclassifying
he must be overclassifying
we must be overclassifying
you must be overclassifying
they must be overclassifying	I must have overclassified
you must have overclassified
he must have overclassified
we must have overclassified
you must have overclassified
they must have overclassified	I must have been overclassifying
you must have been overclassifying
he must have been overclassifying
we must have been overclassifying
you must have been overclassifying
they must have been overclassifying	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must not overclassify
you must not overclassify
he must not overclassify
we must not overclassify
you must not overclassify
they must not overclassify 	I must not be overclassifying
you must not be overclassifying
he must not be overclassifying
we must not be overclassifying
you must not be overclassifying
they must not be overclassifying	I must not have overclassified
you must not have overclassified
he must not have overclassified
we must not have overclassified
you must not have overclassified
they must not have overclassified	I must not have been overclassifying
you must not have been overclassifying
he must not have been overclassifying
we must not have been overclassifying
you must not have been overclassifying
they must not have been overclassifying	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I overclassify?
must you overclassify?
must he overclassify?
must we overclassify?
must you overclassify?
must they overclassify? 	must I be overclassifying?
must you be overclassifying?
must he be overclassifying?
must we be overclassifying?
must you be overclassifying?
must they be overclassifying? 	must I have overclassified?
must you have overclassified?
must he have overclassified?
must we have overclassified?
must you have overclassified?
must they have overclassified? 	must I have been overclassifying?
must you have been overclassifying?
must he have been overclassifying?
must we have been overclassifying?
must you have been overclassifying?
must they have been overclassifying? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I not overclassify?
must you not overclassify?
must he not overclassify?
must we not overclassify?
must you not overclassify?
must they not overclassify? 	must I not be overclassifying?
must you not be overclassifying?
must he not be overclassifying?
must we not be overclassifying?
must you not be overclassifying?
must they not be overclassifying? 	must I not have overclassified?
must you not have overclassified?
must he not have overclassified?
must we not have overclassified?
must you not have overclassified?
must they not have overclassified? 	must I not have been overclassifying?
must you not have been overclassifying?
must he not have been overclassifying?
must we not have been overclassifying?
must you not have been overclassifying?
must they not have been overclassifying?