English verb conjugation
MUST DOG-EAR

Regular verb: dog-ear - dog-eared - dog-eared

Affirmation

Simple form	V-ing form
I must dog-ear you must dog-ear he must dog-ear we must dog-ear you must dog-ear they must dog-ear	I must be dog-earing you must be dog-earing he must be dog-earing we must be dog-earing you must be dog-earing they must be dog-earing
Perfect	V-ing perfect
I must have dog-eared you must have dog-eared he must have dog-eared we must have dog-eared you must have dog-eared they must have dog-eared	I must have been dog-earing you must have been dog-earing he must have been dog-earing we must have been dog-earing you must have been dog-earing they must have been dog-earing

Negation

Simple form	V-ing form
I mustn't dog-ear you mustn't dog-ear he mustn't dog-ear we mustn't dog-ear you mustn't dog-ear they mustn't dog-ear	I mustn't be dog-earing you mustn't be dog-earing he mustn't be dog-earing we mustn't be dog-earing you mustn't be dog-earing they mustn't be dog-earing
Perfect	V-ing perfect
I mustn't have dog-eared you mustn't have dog-eared he mustn't have dog-eared we mustn't have dog-eared you mustn't have dog-eared they mustn't have dog-eared	I mustn't have been dog-earing you mustn't have been dog-earing he mustn't have been dog-earing we mustn't have been dog-earing you mustn't have been dog-earing they mustn't have been dog-earing

Interrogative form

Simple form	V-ing form
must I dog-ear? must you dog-ear? must he dog-ear? must we dog-ear? must you dog-ear? must they dog-ear?	must I be dog-earing? must you be dog-earing? must he be dog-earing? must we be dog-earing? must you be dog-earing? must they be dog-earing?
Perfect	V-ing perfect
must I have dog-eared? must you have dog-eared? must he have dog-eared? must we have dog-eared? must you have dog-eared? must they have dog-eared?	must I have been dog-earing? must you have been dog-earing? must he have been dog-earing? must we have been dog-earing? must you have been dog-earing? must they have been dog-earing?

Interro-negative form

Simple form	V-ing form
mustn't I dog-ear? mustn't you dog-ear? mustn't he dog-ear? mustn't we dog-ear? mustn't you dog-ear? mustn't they dog-ear?	mustn't I be dog-earing? mustn't you be dog-earing? mustn't he be dog-earing? mustn't we be dog-earing? mustn't you be dog-earing? mustn't they be dog-earing?
Perfect	V-ing perfect
mustn't I have dog-eared? mustn't you have dog-eared? mustn't he have dog-eared? mustn't we have dog-eared? mustn't you have dog-eared? mustn't they have dog-eared?	mustn't I have been dog-earing? mustn't you have been dog-earing? mustn't he have been dog-earing? mustn't we have been dog-earing? mustn't you have been dog-earing? mustn't they have been dog-earing?