must intensify
Regular verb: intensify - intensified- intensified

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must intensify
you must intensify
she must intensify
we must intensify
you must intensify
they must intensify 	I must be intensifying
you must be intensifying
she must be intensifying
we must be intensifying
you must be intensifying
they must be intensifying	I must have intensified
you must have intensified
she must have intensified
we must have intensified
you must have intensified
they must have intensified	I must have been intensifying
you must have been intensifying
she must have been intensifying
we must have been intensifying
you must have been intensifying
they must have been intensifying	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must not intensify
you must not intensify
she must not intensify
we must not intensify
you must not intensify
they must not intensify 	I must not be intensifying
you must not be intensifying
she must not be intensifying
we must not be intensifying
you must not be intensifying
they must not be intensifying	I must not have intensified
you must not have intensified
she must not have intensified
we must not have intensified
you must not have intensified
they must not have intensified	I must not have been intensifying
you must not have been intensifying
she must not have been intensifying
we must not have been intensifying
you must not have been intensifying
they must not have been intensifying	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I intensify?
must you intensify?
must she intensify?
must we intensify?
must you intensify?
must they intensify? 	must I be intensifying?
must you be intensifying?
must she be intensifying?
must we be intensifying?
must you be intensifying?
must they be intensifying? 	must I have intensified?
must you have intensified?
must she have intensified?
must we have intensified?
must you have intensified?
must they have intensified? 	must I have been intensifying?
must you have been intensifying?
must she have been intensifying?
must we have been intensifying?
must you have been intensifying?
must they have been intensifying? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I not intensify?
must you not intensify?
must she not intensify?
must we not intensify?
must you not intensify?
must they not intensify? 	must I not be intensifying?
must you not be intensifying?
must she not be intensifying?
must we not be intensifying?
must you not be intensifying?
must they not be intensifying? 	must I not have intensified?
must you not have intensified?
must she not have intensified?
must we not have intensified?
must you not have intensified?
must they not have intensified? 	must I not have been intensifying?
must you not have been intensifying?
must she not have been intensifying?
must we not have been intensifying?
must you not have been intensifying?
must they not have been intensifying?