I must purple you must purple he must purple we must purple you must purple they must purple
V-ing form
I must be purpling you must be purpling he must be purpling we must be purpling you must be purpling they must be purpling
Perfect
I must have purpled you must have purpled he must have purpled we must have purpled you must have purpled they must have purpled
V-ing perfect
I must have been purpling you must have been purpling he must have been purpling we must have been purpling you must have been purpling they must have been purpling
Negation
Simple form
I mustn't purple you mustn't purple he mustn't purple we mustn't purple you mustn't purple they mustn't purple
V-ing form
I mustn't be purpling you mustn't be purpling he mustn't be purpling we mustn't be purpling you mustn't be purpling they mustn't be purpling
Perfect
I mustn't have purpled you mustn't have purpled he mustn't have purpled we mustn't have purpled you mustn't have purpled they mustn't have purpled
V-ing perfect
I mustn't have been purpling you mustn't have been purpling he mustn't have been purpling we mustn't have been purpling you mustn't have been purpling they mustn't have been purpling
Interrogative form
Simple form
must I purple? must you purple? must he purple? must we purple? must you purple? must they purple?
V-ing form
must I be purpling? must you be purpling? must he be purpling? must we be purpling? must you be purpling? must they be purpling?
Perfect
must I have purpled? must you have purpled? must he have purpled? must we have purpled? must you have purpled? must they have purpled?
V-ing perfect
must I have been purpling? must you have been purpling? must he have been purpling? must we have been purpling? must you have been purpling? must they have been purpling?
Interro-negative form
Simple form
mustn't I purple? mustn't you purple? mustn't he purple? mustn't we purple? mustn't you purple? mustn't they purple?
V-ing form
mustn't I be purpling? mustn't you be purpling? mustn't he be purpling? mustn't we be purpling? mustn't you be purpling? mustn't they be purpling?
Perfect
mustn't I have purpled? mustn't you have purpled? mustn't he have purpled? mustn't we have purpled? mustn't you have purpled? mustn't they have purpled?
V-ing perfect
mustn't I have been purpling? mustn't you have been purpling? mustn't he have been purpling? mustn't we have been purpling? mustn't you have been purpling? mustn't they have been purpling?