I must blackmarket you must blackmarket he must blackmarket we must blackmarket you must blackmarket they must blackmarket
V-ing form
I must be blackmarketing you must be blackmarketing he must be blackmarketing we must be blackmarketing you must be blackmarketing they must be blackmarketing
Perfect
I must have blackmarketed you must have blackmarketed he must have blackmarketed we must have blackmarketed you must have blackmarketed they must have blackmarketed
V-ing perfect
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
I must not blackmarket you must not blackmarket he must not blackmarket we must not blackmarket you must not blackmarket they must not blackmarket
V-ing form
I must not be blackmarketing you must not be blackmarketing he must not be blackmarketing we must not be blackmarketing you must not be blackmarketing they must not be blackmarketing
Perfect
I must not have blackmarketed you must not have blackmarketed he must not have blackmarketed we must not have blackmarketed you must not have blackmarketed they must not have blackmarketed
V-ing perfect
I must not have been blackmarketing you must not have been blackmarketing he must not have been blackmarketing we must not have been blackmarketing you must not have been blackmarketing they must not have been blackmarketing
Interrogative form
Simple form
must I blackmarket? must you blackmarket? must he blackmarket? must we blackmarket? must you blackmarket? must they blackmarket?
V-ing form
must I be blackmarketing? must you be blackmarketing? must he be blackmarketing? must we be blackmarketing? must you be blackmarketing? must they be blackmarketing?
Perfect
must I have blackmarketed? must you have blackmarketed? must he have blackmarketed? must we have blackmarketed? must you have blackmarketed? must they have blackmarketed?
V-ing perfect
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
must I not blackmarket? must you not blackmarket? must he not blackmarket? must we not blackmarket? must you not blackmarket? must they not blackmarket?
V-ing form
must I not be blackmarketing? must you not be blackmarketing? must he not be blackmarketing? must we not be blackmarketing? must you not be blackmarketing? must they not be blackmarketing?
Perfect
must I not have blackmarketed? must you not have blackmarketed? must he not have blackmarketed? must we not have blackmarketed? must you not have blackmarketed? must they not have blackmarketed?
V-ing perfect
must I not have been blackmarketing? must you not have been blackmarketing? must he not have been blackmarketing? must we not have been blackmarketing? must you not have been blackmarketing? must they not have been blackmarketing?