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