must declassify
Verbo regular: declassify - declassified- declassified

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must declassify
you must declassify
he must declassify
we must declassify
you must declassify
they must declassify 	I must be declassifying
you must be declassifying
he must be declassifying
we must be declassifying
you must be declassifying
they must be declassifying	I must have declassified
you must have declassified
he must have declassified
we must have declassified
you must have declassified
they must have declassified	I must have been declassifying
you must have been declassifying
he must have been declassifying
we must have been declassifying
you must have been declassifying
they must have been declassifying	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must not declassify
you must not declassify
he must not declassify
we must not declassify
you must not declassify
they must not declassify 	I must not be declassifying
you must not be declassifying
he must not be declassifying
we must not be declassifying
you must not be declassifying
they must not be declassifying	I must not have declassified
you must not have declassified
he must not have declassified
we must not have declassified
you must not have declassified
they must not have declassified	I must not have been declassifying
you must not have been declassifying
he must not have been declassifying
we must not have been declassifying
you must not have been declassifying
they must not have been declassifying	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I declassify?
must you declassify?
must he declassify?
must we declassify?
must you declassify?
must they declassify? 	must I be declassifying?
must you be declassifying?
must he be declassifying?
must we be declassifying?
must you be declassifying?
must they be declassifying? 	must I have declassified?
must you have declassified?
must he have declassified?
must we have declassified?
must you have declassified?
must they have declassified? 	must I have been declassifying?
must you have been declassifying?
must he have been declassifying?
must we have been declassifying?
must you have been declassifying?
must they have been declassifying? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I not declassify?
must you not declassify?
must he not declassify?
must we not declassify?
must you not declassify?
must they not declassify? 	must I not be declassifying?
must you not be declassifying?
must he not be declassifying?
must we not be declassifying?
must you not be declassifying?
must they not be declassifying? 	must I not have declassified?
must you not have declassified?
must he not have declassified?
must we not have declassified?
must you not have declassified?
must they not have declassified? 	must I not have been declassifying?
must you not have been declassifying?
must he not have been declassifying?
must we not have been declassifying?
must you not have been declassifying?
must they not have been declassifying?