must purple
Regular verb: purple - purpled- purpled

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must purple
you must purple
he must purple
we must purple
you must purple
they must purple 	I must be purpling
you must be purpling
he must be purpling
we must be purpling
you must be purpling
they must be purpling	I must have purpled
you must have purpled
he must have purpled
we must have purpled
you must have purpled
they must have purpled	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 	V-ing form 	Perfect 	V-ing perfect 	
I mustn't purple
you mustn't purple
he mustn't purple
we mustn't purple
you mustn't purple
they mustn't purple 	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	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	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 	V-ing form 	Perfect 	V-ing perfect 	
must I purple?
must you purple?
must he purple?
must we purple?
must you purple?
must they purple? 	must I be purpling?
must you be purpling?
must he be purpling?
must we be purpling?
must you be purpling?
must they be purpling? 	must I have purpled?
must you have purpled?
must he have purpled?
must we have purpled?
must you have purpled?
must they have purpled? 	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 	V-ing form 	Perfect 	V-ing perfect 	
mustn't I purple?
mustn't you purple?
mustn't he purple?
mustn't we purple?
mustn't you purple?
mustn't they purple? 	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? 	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? 	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?