English verb conjugation
MUST DECLINE

Regular verb: decline - declined - declined

Affirmation

Simple form	V-ing form
I must decline you must decline he must decline we must decline you must decline they must decline	I must be declining you must be declining he must be declining we must be declining you must be declining they must be declining
Perfect	V-ing perfect
I must have declined you must have declined he must have declined we must have declined you must have declined they must have declined	I must have been declining you must have been declining he must have been declining we must have been declining you must have been declining they must have been declining

Negation

Simple form	V-ing form
I mustn't decline you mustn't decline he mustn't decline we mustn't decline you mustn't decline they mustn't decline	I mustn't be declining you mustn't be declining he mustn't be declining we mustn't be declining you mustn't be declining they mustn't be declining
Perfect	V-ing perfect
I mustn't have declined you mustn't have declined he mustn't have declined we mustn't have declined you mustn't have declined they mustn't have declined	I mustn't have been declining you mustn't have been declining he mustn't have been declining we mustn't have been declining you mustn't have been declining they mustn't have been declining

Interrogative form

Simple form	V-ing form
must I decline? must you decline? must he decline? must we decline? must you decline? must they decline?	must I be declining? must you be declining? must he be declining? must we be declining? must you be declining? must they be declining?
Perfect	V-ing perfect
must I have declined? must you have declined? must he have declined? must we have declined? must you have declined? must they have declined?	must I have been declining? must you have been declining? must he have been declining? must we have been declining? must you have been declining? must they have been declining?

Interro-negative form

Simple form	V-ing form
mustn't I decline? mustn't you decline? mustn't he decline? mustn't we decline? mustn't you decline? mustn't they decline?	mustn't I be declining? mustn't you be declining? mustn't he be declining? mustn't we be declining? mustn't you be declining? mustn't they be declining?
Perfect	V-ing perfect
mustn't I have declined? mustn't you have declined? mustn't he have declined? mustn't we have declined? mustn't you have declined? mustn't they have declined?	mustn't I have been declining? mustn't you have been declining? mustn't he have been declining? mustn't we have been declining? mustn't you have been declining? mustn't they have been declining?