English verb conjugation
MUST CHOOSE

Irregular verb: choose - chose - chosen

Affirmation

Simple form	V-ing form
I must choose you must choose he must choose we must choose you must choose they must choose	I must be choosing you must be choosing he must be choosing we must be choosing you must be choosing they must be choosing
Perfect	V-ing perfect
I must have chosen you must have chosen he must have chosen we must have chosen you must have chosen they must have chosen	I must have been choosing you must have been choosing he must have been choosing we must have been choosing you must have been choosing they must have been choosing

Negation

Simple form	V-ing form
I mustn't choose you mustn't choose he mustn't choose we mustn't choose you mustn't choose they mustn't choose	I mustn't be choosing you mustn't be choosing he mustn't be choosing we mustn't be choosing you mustn't be choosing they mustn't be choosing
Perfect	V-ing perfect
I mustn't have chosen you mustn't have chosen he mustn't have chosen we mustn't have chosen you mustn't have chosen they mustn't have chosen	I mustn't have been choosing you mustn't have been choosing he mustn't have been choosing we mustn't have been choosing you mustn't have been choosing they mustn't have been choosing

Interrogative form

Simple form	V-ing form
must I choose? must you choose? must he choose? must we choose? must you choose? must they choose?	must I be choosing? must you be choosing? must he be choosing? must we be choosing? must you be choosing? must they be choosing?
Perfect	V-ing perfect
must I have chosen? must you have chosen? must he have chosen? must we have chosen? must you have chosen? must they have chosen?	must I have been choosing? must you have been choosing? must he have been choosing? must we have been choosing? must you have been choosing? must they have been choosing?

Interro-negative form

Simple form	V-ing form
mustn't I choose? mustn't you choose? mustn't he choose? mustn't we choose? mustn't you choose? mustn't they choose?	mustn't I be choosing? mustn't you be choosing? mustn't he be choosing? mustn't we be choosing? mustn't you be choosing? mustn't they be choosing?
Perfect	V-ing perfect
mustn't I have chosen? mustn't you have chosen? mustn't he have chosen? mustn't we have chosen? mustn't you have chosen? mustn't they have chosen?	mustn't I have been choosing? mustn't you have been choosing? mustn't he have been choosing? mustn't we have been choosing? mustn't you have been choosing? mustn't they have been choosing?