I can mortify you can mortify he can mortify we can mortify you can mortify they can mortify
V-ing form
I can be mortifying you can be mortifying he can be mortifying we can be mortifying you can be mortifying they can be mortifying
Perfect
I can have mortified you can have mortified he can have mortified we can have mortified you can have mortified they can have mortified
V-ing perfect
I can have been mortifying you can have been mortifying he can have been mortifying we can have been mortifying you can have been mortifying they can have been mortifying
Negation
Simple form
I cannot mortify you cannot mortify he cannot mortify we cannot mortify you cannot mortify they cannot mortify
V-ing form
I cannot be mortifying you cannot be mortifying he cannot be mortifying we cannot be mortifying you cannot be mortifying they cannot be mortifying
Perfect
I cannot have mortified you cannot have mortified he cannot have mortified we cannot have mortified you cannot have mortified they cannot have mortified
V-ing perfect
I cannot have been mortifying you cannot have been mortifying he cannot have been mortifying we cannot have been mortifying you cannot have been mortifying they cannot have been mortifying
Interrogative form
Simple form
can I mortify? can you mortify? can he mortify? can we mortify? can you mortify? can they mortify?
V-ing form
can I be mortifying? can you be mortifying? can he be mortifying? can we be mortifying? can you be mortifying? can they be mortifying?
Perfect
can I have mortified? can you have mortified? can he have mortified? can we have mortified? can you have mortified? can they have mortified?
V-ing perfect
can I have been mortifying? can you have been mortifying? can he have been mortifying? can we have been mortifying? can you have been mortifying? can they have been mortifying?
Interro-negative form
Simple form
can I not mortify? can you not mortify? can he not mortify? can we not mortify? can you not mortify? can they not mortify?
V-ing form
can I not be mortifying? can you not be mortifying? can he not be mortifying? can we not be mortifying? can you not be mortifying? can they not be mortifying?
Perfect
can I not have mortified? can you not have mortified? can he not have mortified? can we not have mortified? can you not have mortified? can they not have mortified?
V-ing perfect
can I not have been mortifying? can you not have been mortifying? can he not have been mortifying? can we not have been mortifying? can you not have been mortifying? can they not have been mortifying?