must clarify
Regular verb: clarify - clarified- clarified

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