I must pursue you must pursue she must pursue we must pursue you must pursue they must pursue
V-ing form
I must be pursuing you must be pursuing she must be pursuing we must be pursuing you must be pursuing they must be pursuing
Perfect
I must have pursued you must have pursued she 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 she 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 she 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 she 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 she 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 she 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 she pursue? must we pursue? must you pursue? must they pursue?
V-ing form
must I be pursuing? must you be pursuing? must she be pursuing? must we be pursuing? must you be pursuing? must they be pursuing?
Perfect
must I have pursued? must you have pursued? must she 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 she 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 she 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 she 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 she 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 she not have been pursuing? must we not have been pursuing? must you not have been pursuing? must they not have been pursuing?