I could primp you could primp he could primp we could primp you could primp they could primp
V-ing form
I could be primping you could be primping he could be primping we could be primping you could be primping they could be primping
Perfect
I could have primped you could have primped he could have primped we could have primped you could have primped they could have primped
V-ing perfect
I could have been primping you could have been primping he could have been primping we could have been primping you could have been primping they could have been primping
Negation
Simple form
I could not primp you could not primp he could not primp we could not primp you could not primp they could not primp
V-ing form
I could not be primping you could not be primping he could not be primping we could not be primping you could not be primping they could not be primping
Perfect
I could not have primped you could not have primped he could not have primped we could not have primped you could not have primped they could not have primped
V-ing perfect
I could not have been primping you could not have been primping he could not have been primping we could not have been primping you could not have been primping they could not have been primping
Interrogative form
Simple form
could I primp? could you primp? could he primp? could we primp? could you primp? could they primp?
V-ing form
could I be primping? could you be primping? could he be primping? could we be primping? could you be primping? could they be primping?
Perfect
could I have primped? could you have primped? could he have primped? could we have primped? could you have primped? could they have primped?
V-ing perfect
could I have been primping? could you have been primping? could he have been primping? could we have been primping? could you have been primping? could they have been primping?
Interro-negative form
Simple form
could I not primp? could you not primp? could he not primp? could we not primp? could you not primp? could they not primp?
V-ing form
could I not be primping? could you not be primping? could he not be primping? could we not be primping? could you not be primping? could they not be primping?
Perfect
could I not have primped? could you not have primped? could he not have primped? could we not have primped? could you not have primped? could they not have primped?
V-ing perfect
could I not have been primping? could you not have been primping? could he not have been primping? could we not have been primping? could you not have been primping? could they not have been primping?