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