must intensify
Verbo regular: intensify - intensified- intensified

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
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	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I mustn't intensify
you mustn't intensify
she mustn't intensify
we mustn't intensify
you mustn't intensify
they mustn't intensify 	I mustn't be intensifying
you mustn't be intensifying
she mustn't be intensifying
we mustn't be intensifying
you mustn't be intensifying
they mustn't be intensifying	I mustn't have intensified
you mustn't have intensified
she mustn't have intensified
we mustn't have intensified
you mustn't have intensified
they mustn't have intensified	I mustn't have been intensifying
you mustn't have been intensifying
she mustn't have been intensifying
we mustn't have been intensifying
you mustn't have been intensifying
they mustn't have been intensifying	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
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? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
mustn't I intensify?
mustn't you intensify?
mustn't she intensify?
mustn't we intensify?
mustn't you intensify?
mustn't they intensify? 	mustn't I be intensifying?
mustn't you be intensifying?
mustn't she be intensifying?
mustn't we be intensifying?
mustn't you be intensifying?
mustn't they be intensifying? 	mustn't I have intensified?
mustn't you have intensified?
mustn't she have intensified?
mustn't we have intensified?
mustn't you have intensified?
mustn't they have intensified? 	mustn't I have been intensifying?
mustn't you have been intensifying?
mustn't she have been intensifying?
mustn't we have been intensifying?
mustn't you have been intensifying?
mustn't they have been intensifying?