I can defrock you can defrock he can defrock we can defrock you can defrock they can defrock
V-ing form
I can be defrocking you can be defrocking he can be defrocking we can be defrocking you can be defrocking they can be defrocking
Perfect
I can have defrocked you can have defrocked he can have defrocked we can have defrocked you can have defrocked they can have defrocked
V-ing perfect
I can have been defrocking you can have been defrocking he can have been defrocking we can have been defrocking you can have been defrocking they can have been defrocking
Negation
Simple form
I cannot defrock you cannot defrock he cannot defrock we cannot defrock you cannot defrock they cannot defrock
V-ing form
I cannot be defrocking you cannot be defrocking he cannot be defrocking we cannot be defrocking you cannot be defrocking they cannot be defrocking
Perfect
I cannot have defrocked you cannot have defrocked he cannot have defrocked we cannot have defrocked you cannot have defrocked they cannot have defrocked
V-ing perfect
I cannot have been defrocking you cannot have been defrocking he cannot have been defrocking we cannot have been defrocking you cannot have been defrocking they cannot have been defrocking
Interrogative form
Simple form
can I defrock? can you defrock? can he defrock? can we defrock? can you defrock? can they defrock?
V-ing form
can I be defrocking? can you be defrocking? can he be defrocking? can we be defrocking? can you be defrocking? can they be defrocking?
Perfect
can I have defrocked? can you have defrocked? can he have defrocked? can we have defrocked? can you have defrocked? can they have defrocked?
V-ing perfect
can I have been defrocking? can you have been defrocking? can he have been defrocking? can we have been defrocking? can you have been defrocking? can they have been defrocking?
Interro-negative form
Simple form
can I not defrock? can you not defrock? can he not defrock? can we not defrock? can you not defrock? can they not defrock?
V-ing form
can I not be defrocking? can you not be defrocking? can he not be defrocking? can we not be defrocking? can you not be defrocking? can they not be defrocking?
Perfect
can I not have defrocked? can you not have defrocked? can he not have defrocked? can we not have defrocked? can you not have defrocked? can they not have defrocked?
V-ing perfect
can I not have been defrocking? can you not have been defrocking? can he not have been defrocking? can we not have been defrocking? can you not have been defrocking? can they not have been defrocking?