must revise
Verbo regular: revise - revised- revised

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must revise
you must revise
he must revise
we must revise
you must revise
they must revise 	I must be revising
you must be revising
he must be revising
we must be revising
you must be revising
they must be revising	I must have revised
you must have revised
he must have revised
we must have revised
you must have revised
they must have revised	I must have been revising
you must have been revising
he must have been revising
we must have been revising
you must have been revising
they must have been revising	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must not revise
you must not revise
he must not revise
we must not revise
you must not revise
they must not revise 	I must not be revising
you must not be revising
he must not be revising
we must not be revising
you must not be revising
they must not be revising	I must not have revised
you must not have revised
he must not have revised
we must not have revised
you must not have revised
they must not have revised	I must not have been revising
you must not have been revising
he must not have been revising
we must not have been revising
you must not have been revising
they must not have been revising	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I revise?
must you revise?
must he revise?
must we revise?
must you revise?
must they revise? 	must I be revising?
must you be revising?
must he be revising?
must we be revising?
must you be revising?
must they be revising? 	must I have revised?
must you have revised?
must he have revised?
must we have revised?
must you have revised?
must they have revised? 	must I have been revising?
must you have been revising?
must he have been revising?
must we have been revising?
must you have been revising?
must they have been revising? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I not revise?
must you not revise?
must he not revise?
must we not revise?
must you not revise?
must they not revise? 	must I not be revising?
must you not be revising?
must he not be revising?
must we not be revising?
must you not be revising?
must they not be revising? 	must I not have revised?
must you not have revised?
must he not have revised?
must we not have revised?
must you not have revised?
must they not have revised? 	must I not have been revising?
must you not have been revising?
must he not have been revising?
must we not have been revising?
must you not have been revising?
must they not have been revising?