I must pursue you must pursue he must pursue we must pursue you must pursue they must pursue
V-ing form
I must be pursuing you must be pursuing he must be pursuing we must be pursuing you must be pursuing they must be pursuing
Perfect
I must have pursued you must have pursued he must have pursued we must have pursued you must have pursued they must have pursued
V-ing perfect
I must have been pursuing you must have been pursuing he must have been pursuing we must have been pursuing you must have been pursuing they must have been pursuing
Negation
Simple form
I must not pursue you must not pursue he must not pursue we must not pursue you must not pursue they must not pursue
V-ing form
I must not be pursuing you must not be pursuing he must not be pursuing we must not be pursuing you must not be pursuing they must not be pursuing
Perfect
I must not have pursued you must not have pursued he must not have pursued we must not have pursued you must not have pursued they must not have pursued
V-ing perfect
I must not have been pursuing you must not have been pursuing he must not have been pursuing we must not have been pursuing you must not have been pursuing they must not have been pursuing
Interrogative form
Simple form
must I pursue? must you pursue? must he pursue? must we pursue? must you pursue? must they pursue?
V-ing form
must I be pursuing? must you be pursuing? must he be pursuing? must we be pursuing? must you be pursuing? must they be pursuing?
Perfect
must I have pursued? must you have pursued? must he have pursued? must we have pursued? must you have pursued? must they have pursued?
V-ing perfect
must I have been pursuing? must you have been pursuing? must he have been pursuing? must we have been pursuing? must you have been pursuing? must they have been pursuing?
Interro-negative form
Simple form
must I not pursue? must you not pursue? must he not pursue? must we not pursue? must you not pursue? must they not pursue?
V-ing form
must I not be pursuing? must you not be pursuing? must he not be pursuing? must we not be pursuing? must you not be pursuing? must they not be pursuing?
Perfect
must I not have pursued? must you not have pursued? must he not have pursued? must we not have pursued? must you not have pursued? must they not have pursued?
V-ing perfect
must I not have been pursuing? must you not have been pursuing? must he not have been pursuing? must we not have been pursuing? must you not have been pursuing? must they not have been pursuing?