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 couldn't primp you couldn't primp he couldn't primp we couldn't primp you couldn't primp they couldn't primp
V-ing form
I couldn't be primping you couldn't be primping he couldn't be primping we couldn't be primping you couldn't be primping they couldn't be primping
Perfect
I couldn't have primped you couldn't have primped he couldn't have primped we couldn't have primped you couldn't have primped they couldn't have primped
V-ing perfect
I couldn't have been primping you couldn't have been primping he couldn't have been primping we couldn't have been primping you couldn't have been primping they couldn't 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
couldn't I primp? couldn't you primp? couldn't he primp? couldn't we primp? couldn't you primp? couldn't they primp?
V-ing form
couldn't I be primping? couldn't you be primping? couldn't he be primping? couldn't we be primping? couldn't you be primping? couldn't they be primping?
Perfect
couldn't I have primped? couldn't you have primped? couldn't he have primped? couldn't we have primped? couldn't you have primped? couldn't they have primped?
V-ing perfect
couldn't I have been primping? couldn't you have been primping? couldn't he have been primping? couldn't we have been primping? couldn't you have been primping? couldn't they have been primping?