I could detract you could detract he could detract we could detract you could detract they could detract
V-ing form
I could be detracting you could be detracting he could be detracting we could be detracting you could be detracting they could be detracting
Perfect
I could have detracted you could have detracted he could have detracted we could have detracted you could have detracted they could have detracted
V-ing perfect
I could have been detracting you could have been detracting he could have been detracting we could have been detracting you could have been detracting they could have been detracting
Negation
Simple form
I could not detract you could not detract he could not detract we could not detract you could not detract they could not detract
V-ing form
I could not be detracting you could not be detracting he could not be detracting we could not be detracting you could not be detracting they could not be detracting
Perfect
I could not have detracted you could not have detracted he could not have detracted we could not have detracted you could not have detracted they could not have detracted
V-ing perfect
I could not have been detracting you could not have been detracting he could not have been detracting we could not have been detracting you could not have been detracting they could not have been detracting
Interrogative form
Simple form
could I detract? could you detract? could he detract? could we detract? could you detract? could they detract?
V-ing form
could I be detracting? could you be detracting? could he be detracting? could we be detracting? could you be detracting? could they be detracting?
Perfect
could I have detracted? could you have detracted? could he have detracted? could we have detracted? could you have detracted? could they have detracted?
V-ing perfect
could I have been detracting? could you have been detracting? could he have been detracting? could we have been detracting? could you have been detracting? could they have been detracting?
Interro-negative form
Simple form
could I not detract? could you not detract? could he not detract? could we not detract? could you not detract? could they not detract?
V-ing form
could I not be detracting? could you not be detracting? could he not be detracting? could we not be detracting? could you not be detracting? could they not be detracting?
Perfect
could I not have detracted? could you not have detracted? could he not have detracted? could we not have detracted? could you not have detracted? could they not have detracted?
V-ing perfect
could I not have been detracting? could you not have been detracting? could he not have been detracting? could we not have been detracting? could you not have been detracting? could they not have been detracting?