must clarify
Regular verb: clarify - clarified- clarified

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must clarify
you must clarify
he must clarify
we must clarify
you must clarify
they must clarify 	I must be clarifying
you must be clarifying
he must be clarifying
we must be clarifying
you must be clarifying
they must be clarifying	I must have clarified
you must have clarified
he must have clarified
we must have clarified
you must have clarified
they must have clarified	I must have been clarifying
you must have been clarifying
he must have been clarifying
we must have been clarifying
you must have been clarifying
they must have been clarifying	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must not clarify
you must not clarify
he must not clarify
we must not clarify
you must not clarify
they must not clarify 	I must not be clarifying
you must not be clarifying
he must not be clarifying
we must not be clarifying
you must not be clarifying
they must not be clarifying	I must not have clarified
you must not have clarified
he must not have clarified
we must not have clarified
you must not have clarified
they must not have clarified	I must not have been clarifying
you must not have been clarifying
he must not have been clarifying
we must not have been clarifying
you must not have been clarifying
they must not have been clarifying	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I clarify?
must you clarify?
must he clarify?
must we clarify?
must you clarify?
must they clarify? 	must I be clarifying?
must you be clarifying?
must he be clarifying?
must we be clarifying?
must you be clarifying?
must they be clarifying? 	must I have clarified?
must you have clarified?
must he have clarified?
must we have clarified?
must you have clarified?
must they have clarified? 	must I have been clarifying?
must you have been clarifying?
must he have been clarifying?
must we have been clarifying?
must you have been clarifying?
must they have been clarifying? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I not clarify?
must you not clarify?
must he not clarify?
must we not clarify?
must you not clarify?
must they not clarify? 	must I not be clarifying?
must you not be clarifying?
must he not be clarifying?
must we not be clarifying?
must you not be clarifying?
must they not be clarifying? 	must I not have clarified?
must you not have clarified?
must he not have clarified?
must we not have clarified?
must you not have clarified?
must they not have clarified? 	must I not have been clarifying?
must you not have been clarifying?
must he not have been clarifying?
must we not have been clarifying?
must you not have been clarifying?
must they not have been clarifying?