English verb conjugation
MUST FORSAKE

Irregular verb: forsake - forsook - forsaken

Affirmation

Simple form	V-ing form
I must forsake you must forsake he must forsake we must forsake you must forsake they must forsake	I must be forsaking you must be forsaking he must be forsaking we must be forsaking you must be forsaking they must be forsaking
Perfect	V-ing perfect
I must have forsaken you must have forsaken he must have forsaken we must have forsaken you must have forsaken they must have forsaken	I must have been forsaking you must have been forsaking he must have been forsaking we must have been forsaking you must have been forsaking they must have been forsaking

Negation

Simple form	V-ing form
I mustn't forsake you mustn't forsake he mustn't forsake we mustn't forsake you mustn't forsake they mustn't forsake	I mustn't be forsaking you mustn't be forsaking he mustn't be forsaking we mustn't be forsaking you mustn't be forsaking they mustn't be forsaking
Perfect	V-ing perfect
I mustn't have forsaken you mustn't have forsaken he mustn't have forsaken we mustn't have forsaken you mustn't have forsaken they mustn't have forsaken	I mustn't have been forsaking you mustn't have been forsaking he mustn't have been forsaking we mustn't have been forsaking you mustn't have been forsaking they mustn't have been forsaking

Interrogative form

Simple form	V-ing form
must I forsake? must you forsake? must he forsake? must we forsake? must you forsake? must they forsake?	must I be forsaking? must you be forsaking? must he be forsaking? must we be forsaking? must you be forsaking? must they be forsaking?
Perfect	V-ing perfect
must I have forsaken? must you have forsaken? must he have forsaken? must we have forsaken? must you have forsaken? must they have forsaken?	must I have been forsaking? must you have been forsaking? must he have been forsaking? must we have been forsaking? must you have been forsaking? must they have been forsaking?

Interro-negative form

Simple form	V-ing form
mustn't I forsake? mustn't you forsake? mustn't he forsake? mustn't we forsake? mustn't you forsake? mustn't they forsake?	mustn't I be forsaking? mustn't you be forsaking? mustn't he be forsaking? mustn't we be forsaking? mustn't you be forsaking? mustn't they be forsaking?
Perfect	V-ing perfect
mustn't I have forsaken? mustn't you have forsaken? mustn't he have forsaken? mustn't we have forsaken? mustn't you have forsaken? mustn't they have forsaken?	mustn't I have been forsaking? mustn't you have been forsaking? mustn't he have been forsaking? mustn't we have been forsaking? mustn't you have been forsaking? mustn't they have been forsaking?