English verb conjugation
MUST DISAPPROVE

Regular verb: disapprove - disapproved - disapproved

Affirmation

Simple form	V-ing form
I must disapprove you must disapprove he must disapprove we must disapprove you must disapprove they must disapprove	I must be disapproving you must be disapproving he must be disapproving we must be disapproving you must be disapproving they must be disapproving
Perfect	V-ing perfect
I must have disapproved you must have disapproved he must have disapproved we must have disapproved you must have disapproved they must have disapproved	I must have been disapproving you must have been disapproving he must have been disapproving we must have been disapproving you must have been disapproving they must have been disapproving

Negation

Simple form	V-ing form
I mustn't disapprove you mustn't disapprove he mustn't disapprove we mustn't disapprove you mustn't disapprove they mustn't disapprove	I mustn't be disapproving you mustn't be disapproving he mustn't be disapproving we mustn't be disapproving you mustn't be disapproving they mustn't be disapproving
Perfect	V-ing perfect
I mustn't have disapproved you mustn't have disapproved he mustn't have disapproved we mustn't have disapproved you mustn't have disapproved they mustn't have disapproved	I mustn't have been disapproving you mustn't have been disapproving he mustn't have been disapproving we mustn't have been disapproving you mustn't have been disapproving they mustn't have been disapproving

Interrogative form

Simple form	V-ing form
must I disapprove? must you disapprove? must he disapprove? must we disapprove? must you disapprove? must they disapprove?	must I be disapproving? must you be disapproving? must he be disapproving? must we be disapproving? must you be disapproving? must they be disapproving?
Perfect	V-ing perfect
must I have disapproved? must you have disapproved? must he have disapproved? must we have disapproved? must you have disapproved? must they have disapproved?	must I have been disapproving? must you have been disapproving? must he have been disapproving? must we have been disapproving? must you have been disapproving? must they have been disapproving?

Interro-negative form

Simple form	V-ing form
mustn't I disapprove? mustn't you disapprove? mustn't he disapprove? mustn't we disapprove? mustn't you disapprove? mustn't they disapprove?	mustn't I be disapproving? mustn't you be disapproving? mustn't he be disapproving? mustn't we be disapproving? mustn't you be disapproving? mustn't they be disapproving?
Perfect	V-ing perfect
mustn't I have disapproved? mustn't you have disapproved? mustn't he have disapproved? mustn't we have disapproved? mustn't you have disapproved? mustn't they have disapproved?	mustn't I have been disapproving? mustn't you have been disapproving? mustn't he have been disapproving? mustn't we have been disapproving? mustn't you have been disapproving? mustn't they have been disapproving?