English verb conjugation
MUST COMBAT

Regular verb: combat - combated - combated

Affirmation

Simple form	V-ing form
I must combat you must combat he must combat we must combat you must combat they must combat	I must be combating you must be combating he must be combating we must be combating you must be combating they must be combating
Perfect	V-ing perfect
I must have combated you must have combated he must have combated we must have combated you must have combated they must have combated	I must have been combating you must have been combating he must have been combating we must have been combating you must have been combating they must have been combating

Negation

Simple form	V-ing form
I mustn't combat you mustn't combat he mustn't combat we mustn't combat you mustn't combat they mustn't combat	I mustn't be combating you mustn't be combating he mustn't be combating we mustn't be combating you mustn't be combating they mustn't be combating
Perfect	V-ing perfect
I mustn't have combated you mustn't have combated he mustn't have combated we mustn't have combated you mustn't have combated they mustn't have combated	I mustn't have been combating you mustn't have been combating he mustn't have been combating we mustn't have been combating you mustn't have been combating they mustn't have been combating

Interrogative form

Simple form	V-ing form
must I combat? must you combat? must he combat? must we combat? must you combat? must they combat?	must I be combating? must you be combating? must he be combating? must we be combating? must you be combating? must they be combating?
Perfect	V-ing perfect
must I have combated? must you have combated? must he have combated? must we have combated? must you have combated? must they have combated?	must I have been combating? must you have been combating? must he have been combating? must we have been combating? must you have been combating? must they have been combating?

Interro-negative form

Simple form	V-ing form
mustn't I combat? mustn't you combat? mustn't he combat? mustn't we combat? mustn't you combat? mustn't they combat?	mustn't I be combating? mustn't you be combating? mustn't he be combating? mustn't we be combating? mustn't you be combating? mustn't they be combating?
Perfect	V-ing perfect
mustn't I have combated? mustn't you have combated? mustn't he have combated? mustn't we have combated? mustn't you have combated? mustn't they have combated?	mustn't I have been combating? mustn't you have been combating? mustn't he have been combating? mustn't we have been combating? mustn't you have been combating? mustn't they have been combating?