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