English verb conjugation
COULD CHASTEN

Regular verb: chasten - chastened - chastened

Affirmation

Simple form	V-ing form
I could chasten you could chasten he could chasten we could chasten you could chasten they could chasten	I could be chastening you could be chastening he could be chastening we could be chastening you could be chastening they could be chastening
Perfect	V-ing perfect
I could have chastened you could have chastened he could have chastened we could have chastened you could have chastened they could have chastened	I could have been chastening you could have been chastening he could have been chastening we could have been chastening you could have been chastening they could have been chastening

Negation

Simple form	V-ing form
I couldn't chasten you couldn't chasten he couldn't chasten we couldn't chasten you couldn't chasten they couldn't chasten	I couldn't be chastening you couldn't be chastening he couldn't be chastening we couldn't be chastening you couldn't be chastening they couldn't be chastening
Perfect	V-ing perfect
I couldn't have chastened you couldn't have chastened he couldn't have chastened we couldn't have chastened you couldn't have chastened they couldn't have chastened	I couldn't have been chastening you couldn't have been chastening he couldn't have been chastening we couldn't have been chastening you couldn't have been chastening they couldn't have been chastening

Interrogative form

Simple form	V-ing form
could I chasten? could you chasten? could he chasten? could we chasten? could you chasten? could they chasten?	could I be chastening? could you be chastening? could he be chastening? could we be chastening? could you be chastening? could they be chastening?
Perfect	V-ing perfect
could I have chastened? could you have chastened? could he have chastened? could we have chastened? could you have chastened? could they have chastened?	could I have been chastening? could you have been chastening? could he have been chastening? could we have been chastening? could you have been chastening? could they have been chastening?

Interro-negative form

Simple form	V-ing form
couldn't I chasten? couldn't you chasten? couldn't he chasten? couldn't we chasten? couldn't you chasten? couldn't they chasten?	couldn't I be chastening? couldn't you be chastening? couldn't he be chastening? couldn't we be chastening? couldn't you be chastening? couldn't they be chastening?
Perfect	V-ing perfect
couldn't I have chastened? couldn't you have chastened? couldn't he have chastened? couldn't we have chastened? couldn't you have chastened? couldn't they have chastened?	couldn't I have been chastening? couldn't you have been chastening? couldn't he have been chastening? couldn't we have been chastening? couldn't you have been chastening? couldn't they have been chastening?