I can chasten you can chasten she can chasten we can chasten you can chasten they can chasten
V-ing form
I can be chastening you can be chastening she can be chastening we can be chastening you can be chastening they can be chastening
Perfect
I can have chastened you can have chastened she 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 she 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 she cannot chasten we cannot chasten you cannot chasten they cannot chasten
V-ing form
I cannot be chastening you cannot be chastening she cannot be chastening we cannot be chastening you cannot be chastening they cannot be chastening
Perfect
I cannot have chastened you cannot have chastened she 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 she 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 she chasten? can we chasten? can you chasten? can they chasten?
V-ing form
can I be chastening? can you be chastening? can she be chastening? can we be chastening? can you be chastening? can they be chastening?
Perfect
can I have chastened? can you have chastened? can she 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 she 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 she 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 she 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 she 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 she not have been chastening? can we not have been chastening? can you not have been chastening? can they not have been chastening?