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