must prequalify
Regular verb: prequalify - prequalified- prequalified

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must prequalify
you must prequalify
he must prequalify
we must prequalify
you must prequalify
they must prequalify 	I must be prequalifying
you must be prequalifying
he must be prequalifying
we must be prequalifying
you must be prequalifying
they must be prequalifying	I must have prequalified
you must have prequalified
he must have prequalified
we must have prequalified
you must have prequalified
they must have prequalified	I must have been prequalifying
you must have been prequalifying
he must have been prequalifying
we must have been prequalifying
you must have been prequalifying
they must have been prequalifying	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must not prequalify
you must not prequalify
he must not prequalify
we must not prequalify
you must not prequalify
they must not prequalify 	I must not be prequalifying
you must not be prequalifying
he must not be prequalifying
we must not be prequalifying
you must not be prequalifying
they must not be prequalifying	I must not have prequalified
you must not have prequalified
he must not have prequalified
we must not have prequalified
you must not have prequalified
they must not have prequalified	I must not have been prequalifying
you must not have been prequalifying
he must not have been prequalifying
we must not have been prequalifying
you must not have been prequalifying
they must not have been prequalifying	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I prequalify?
must you prequalify?
must he prequalify?
must we prequalify?
must you prequalify?
must they prequalify? 	must I be prequalifying?
must you be prequalifying?
must he be prequalifying?
must we be prequalifying?
must you be prequalifying?
must they be prequalifying? 	must I have prequalified?
must you have prequalified?
must he have prequalified?
must we have prequalified?
must you have prequalified?
must they have prequalified? 	must I have been prequalifying?
must you have been prequalifying?
must he have been prequalifying?
must we have been prequalifying?
must you have been prequalifying?
must they have been prequalifying? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I not prequalify?
must you not prequalify?
must he not prequalify?
must we not prequalify?
must you not prequalify?
must they not prequalify? 	must I not be prequalifying?
must you not be prequalifying?
must he not be prequalifying?
must we not be prequalifying?
must you not be prequalifying?
must they not be prequalifying? 	must I not have prequalified?
must you not have prequalified?
must he not have prequalified?
must we not have prequalified?
must you not have prequalified?
must they not have prequalified? 	must I not have been prequalifying?
must you not have been prequalifying?
must he not have been prequalifying?
must we not have been prequalifying?
must you not have been prequalifying?
must they not have been prequalifying?