must blackmarket
Regular verb: blackmarket - blackmarketed- blackmarketed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must blackmarket
you must blackmarket
he must blackmarket
we must blackmarket
you must blackmarket
they must blackmarket 	I must be blackmarketing
you must be blackmarketing
he must be blackmarketing
we must be blackmarketing
you must be blackmarketing
they must be blackmarketing	I must have blackmarketed
you must have blackmarketed
he must have blackmarketed
we must have blackmarketed
you must have blackmarketed
they must have blackmarketed	I must have been blackmarketing
you must have been blackmarketing
he must have been blackmarketing
we must have been blackmarketing
you must have been blackmarketing
they must have been blackmarketing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mustn't blackmarket
you mustn't blackmarket
he mustn't blackmarket
we mustn't blackmarket
you mustn't blackmarket
they mustn't blackmarket 	I mustn't be blackmarketing
you mustn't be blackmarketing
he mustn't be blackmarketing
we mustn't be blackmarketing
you mustn't be blackmarketing
they mustn't be blackmarketing	I mustn't have blackmarketed
you mustn't have blackmarketed
he mustn't have blackmarketed
we mustn't have blackmarketed
you mustn't have blackmarketed
they mustn't have blackmarketed	I mustn't have been blackmarketing
you mustn't have been blackmarketing
he mustn't have been blackmarketing
we mustn't have been blackmarketing
you mustn't have been blackmarketing
they mustn't have been blackmarketing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I blackmarket?
must you blackmarket?
must he blackmarket?
must we blackmarket?
must you blackmarket?
must they blackmarket? 	must I be blackmarketing?
must you be blackmarketing?
must he be blackmarketing?
must we be blackmarketing?
must you be blackmarketing?
must they be blackmarketing? 	must I have blackmarketed?
must you have blackmarketed?
must he have blackmarketed?
must we have blackmarketed?
must you have blackmarketed?
must they have blackmarketed? 	must I have been blackmarketing?
must you have been blackmarketing?
must he have been blackmarketing?
must we have been blackmarketing?
must you have been blackmarketing?
must they have been blackmarketing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mustn't I blackmarket?
mustn't you blackmarket?
mustn't he blackmarket?
mustn't we blackmarket?
mustn't you blackmarket?
mustn't they blackmarket? 	mustn't I be blackmarketing?
mustn't you be blackmarketing?
mustn't he be blackmarketing?
mustn't we be blackmarketing?
mustn't you be blackmarketing?
mustn't they be blackmarketing? 	mustn't I have blackmarketed?
mustn't you have blackmarketed?
mustn't he have blackmarketed?
mustn't we have blackmarketed?
mustn't you have blackmarketed?
mustn't they have blackmarketed? 	mustn't I have been blackmarketing?
mustn't you have been blackmarketing?
mustn't he have been blackmarketing?
mustn't we have been blackmarketing?
mustn't you have been blackmarketing?
mustn't they have been blackmarketing?