English verb conjugation
MUST PURSUE

Regular verb: pursue - pursued - pursued

Affirmation

Simple form	V-ing form
I must pursue you must pursue he must pursue we must pursue you must pursue they must pursue	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	V-ing 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	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	V-ing form
I mustn't pursue you mustn't pursue he mustn't pursue we mustn't pursue you mustn't pursue they mustn't pursue	I mustn't be pursuing you mustn't be pursuing he mustn't be pursuing we mustn't be pursuing you mustn't be pursuing they mustn't be pursuing
Perfect	V-ing perfect
I mustn't have pursued you mustn't have pursued he mustn't have pursued we mustn't have pursued you mustn't have pursued they mustn't have pursued	I mustn't have been pursuing you mustn't have been pursuing he mustn't have been pursuing we mustn't have been pursuing you mustn't have been pursuing they mustn't have been pursuing

Interrogative form

Simple form	V-ing form
must I pursue? must you pursue? must he pursue? must we pursue? must you pursue? must they pursue?	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	V-ing 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?	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	V-ing form
mustn't I pursue? mustn't you pursue? mustn't he pursue? mustn't we pursue? mustn't you pursue? mustn't they pursue?	mustn't I be pursuing? mustn't you be pursuing? mustn't he be pursuing? mustn't we be pursuing? mustn't you be pursuing? mustn't they be pursuing?
Perfect	V-ing perfect
mustn't I have pursued? mustn't you have pursued? mustn't he have pursued? mustn't we have pursued? mustn't you have pursued? mustn't they have pursued?	mustn't I have been pursuing? mustn't you have been pursuing? mustn't he have been pursuing? mustn't we have been pursuing? mustn't you have been pursuing? mustn't they have been pursuing?