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