English verb conjugation
MUST TRAP

Regular verb: trap - trapped - trapped

Affirmation

Simple form	V-ing form
I must trap you must trap he must trap we must trap you must trap they must trap	I must be trapping you must be trapping he must be trapping we must be trapping you must be trapping they must be trapping
Perfect	V-ing perfect
I must have trapped you must have trapped he must have trapped we must have trapped you must have trapped they must have trapped	I must have been trapping you must have been trapping he must have been trapping we must have been trapping you must have been trapping they must have been trapping

Negation

Simple form	V-ing form
I mustn't trap you mustn't trap he mustn't trap we mustn't trap you mustn't trap they mustn't trap	I mustn't be trapping you mustn't be trapping he mustn't be trapping we mustn't be trapping you mustn't be trapping they mustn't be trapping
Perfect	V-ing perfect
I mustn't have trapped you mustn't have trapped he mustn't have trapped we mustn't have trapped you mustn't have trapped they mustn't have trapped	I mustn't have been trapping you mustn't have been trapping he mustn't have been trapping we mustn't have been trapping you mustn't have been trapping they mustn't have been trapping

Interrogative form

Simple form	V-ing form
must I trap? must you trap? must he trap? must we trap? must you trap? must they trap?	must I be trapping? must you be trapping? must he be trapping? must we be trapping? must you be trapping? must they be trapping?
Perfect	V-ing perfect
must I have trapped? must you have trapped? must he have trapped? must we have trapped? must you have trapped? must they have trapped?	must I have been trapping? must you have been trapping? must he have been trapping? must we have been trapping? must you have been trapping? must they have been trapping?

Interro-negative form

Simple form	V-ing form
mustn't I trap? mustn't you trap? mustn't he trap? mustn't we trap? mustn't you trap? mustn't they trap?	mustn't I be trapping? mustn't you be trapping? mustn't he be trapping? mustn't we be trapping? mustn't you be trapping? mustn't they be trapping?
Perfect	V-ing perfect
mustn't I have trapped? mustn't you have trapped? mustn't he have trapped? mustn't we have trapped? mustn't you have trapped? mustn't they have trapped?	mustn't I have been trapping? mustn't you have been trapping? mustn't he have been trapping? mustn't we have been trapping? mustn't you have been trapping? mustn't they have been trapping?