I must declassify you must declassify she must declassify we must declassify you must declassify they must declassify
V-ing form
I must be declassifying you must be declassifying she must be declassifying we must be declassifying you must be declassifying they must be declassifying
Perfect
I must have declassified you must have declassified she must have declassified we must have declassified you must have declassified they must have declassified
V-ing perfect
I must have been declassifying you must have been declassifying she must have been declassifying we must have been declassifying you must have been declassifying they must have been declassifying
Negation
Simple form
I must not declassify you must not declassify she must not declassify we must not declassify you must not declassify they must not declassify
V-ing form
I must not be declassifying you must not be declassifying she must not be declassifying we must not be declassifying you must not be declassifying they must not be declassifying
Perfect
I must not have declassified you must not have declassified she must not have declassified we must not have declassified you must not have declassified they must not have declassified
V-ing perfect
I must not have been declassifying you must not have been declassifying she must not have been declassifying we must not have been declassifying you must not have been declassifying they must not have been declassifying
Interrogative form
Simple form
must I declassify? must you declassify? must she declassify? must we declassify? must you declassify? must they declassify?
V-ing form
must I be declassifying? must you be declassifying? must she be declassifying? must we be declassifying? must you be declassifying? must they be declassifying?
Perfect
must I have declassified? must you have declassified? must she have declassified? must we have declassified? must you have declassified? must they have declassified?
V-ing perfect
must I have been declassifying? must you have been declassifying? must she have been declassifying? must we have been declassifying? must you have been declassifying? must they have been declassifying?
Interro-negative form
Simple form
must I not declassify? must you not declassify? must she not declassify? must we not declassify? must you not declassify? must they not declassify?
V-ing form
must I not be declassifying? must you not be declassifying? must she not be declassifying? must we not be declassifying? must you not be declassifying? must they not be declassifying?
Perfect
must I not have declassified? must you not have declassified? must she not have declassified? must we not have declassified? must you not have declassified? must they not have declassified?
V-ing perfect
must I not have been declassifying? must you not have been declassifying? must she not have been declassifying? must we not have been declassifying? must you not have been declassifying? must they not have been declassifying?