I can chasten you can chasten he can chasten we can chasten you can chasten they can chasten
V-ing form
I can be chastening you can be chastening he can be chastening we can be chastening you can be chastening they can be chastening
Perfect
I can have chastened you can have chastened he can have chastened we can have chastened you can have chastened they can have chastened
V-ing perfect
I can have been chastening you can have been chastening he can have been chastening we can have been chastening you can have been chastening they can have been chastening
Negation
Simple form
I cannot chasten you cannot chasten he cannot chasten we cannot chasten you cannot chasten they cannot chasten
V-ing form
I cannot be chastening you cannot be chastening he cannot be chastening we cannot be chastening you cannot be chastening they cannot be chastening
Perfect
I cannot have chastened you cannot have chastened he cannot have chastened we cannot have chastened you cannot have chastened they cannot have chastened
V-ing perfect
I cannot have been chastening you cannot have been chastening he cannot have been chastening we cannot have been chastening you cannot have been chastening they cannot have been chastening
Interrogative form
Simple form
can I chasten? can you chasten? can he chasten? can we chasten? can you chasten? can they chasten?
V-ing form
can I be chastening? can you be chastening? can he be chastening? can we be chastening? can you be chastening? can they be chastening?
Perfect
can I have chastened? can you have chastened? can he have chastened? can we have chastened? can you have chastened? can they have chastened?
V-ing perfect
can I have been chastening? can you have been chastening? can he have been chastening? can we have been chastening? can you have been chastening? can they have been chastening?
Interro-negative form
Simple form
can I not chasten? can you not chasten? can he not chasten? can we not chasten? can you not chasten? can they not chasten?
V-ing form
can I not be chastening? can you not be chastening? can he not be chastening? can we not be chastening? can you not be chastening? can they not be chastening?
Perfect
can I not have chastened? can you not have chastened? can he not have chastened? can we not have chastened? can you not have chastened? can they not have chastened?
V-ing perfect
can I not have been chastening? can you not have been chastening? can he not have been chastening? can we not have been chastening? can you not have been chastening? can they not have been chastening?