English verb conjugation
MUST FORSAKE

Irregular verb: forsake - forsook - forsaken

Affirmation

Simple form	V-ing form
I must forsake you must forsake she must forsake we must forsake you must forsake they must forsake	I must be forsaking you must be forsaking she 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 she 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 she 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 she 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 she 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 she 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 she 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 she forsake? must we forsake? must you forsake? must they forsake?	must I be forsaking? must you be forsaking? must she 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 she 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 she 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 she 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 she 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 she 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 she have been forsaking? mustn't we have been forsaking? mustn't you have been forsaking? mustn't they have been forsaking?