I can edify you can edify he can edify we can edify you can edify they can edify
V-ing form
I can be edifying you can be edifying he can be edifying we can be edifying you can be edifying they can be edifying
Perfect
I can have edified you can have edified he can have edified we can have edified you can have edified they can have edified
V-ing perfect
I can have been edifying you can have been edifying he can have been edifying we can have been edifying you can have been edifying they can have been edifying
Negation
Simple form
I cannot edify you cannot edify he cannot edify we cannot edify you cannot edify they cannot edify
V-ing form
I cannot be edifying you cannot be edifying he cannot be edifying we cannot be edifying you cannot be edifying they cannot be edifying
Perfect
I cannot have edified you cannot have edified he cannot have edified we cannot have edified you cannot have edified they cannot have edified
V-ing perfect
I cannot have been edifying you cannot have been edifying he cannot have been edifying we cannot have been edifying you cannot have been edifying they cannot have been edifying
Interrogative form
Simple form
can I edify? can you edify? can he edify? can we edify? can you edify? can they edify?
V-ing form
can I be edifying? can you be edifying? can he be edifying? can we be edifying? can you be edifying? can they be edifying?
Perfect
can I have edified? can you have edified? can he have edified? can we have edified? can you have edified? can they have edified?
V-ing perfect
can I have been edifying? can you have been edifying? can he have been edifying? can we have been edifying? can you have been edifying? can they have been edifying?
Interro-negative form
Simple form
can I not edify? can you not edify? can he not edify? can we not edify? can you not edify? can they not edify?
V-ing form
can I not be edifying? can you not be edifying? can he not be edifying? can we not be edifying? can you not be edifying? can they not be edifying?
Perfect
can I not have edified? can you not have edified? can he not have edified? can we not have edified? can you not have edified? can they not have edified?
V-ing perfect
can I not have been edifying? can you not have been edifying? can he not have been edifying? can we not have been edifying? can you not have been edifying? can they not have been edifying?