English verb conjugation
MUST FOREKNOW

Irregular verb: foreknow - foreknew - foreknown

Affirmation

Simple form	V-ing form
I must foreknow you must foreknow he must foreknow we must foreknow you must foreknow they must foreknow	I must be foreknowing you must be foreknowing he must be foreknowing we must be foreknowing you must be foreknowing they must be foreknowing
Perfect	V-ing perfect
I must have foreknown you must have foreknown he must have foreknown we must have foreknown you must have foreknown they must have foreknown	I must have been foreknowing you must have been foreknowing he must have been foreknowing we must have been foreknowing you must have been foreknowing they must have been foreknowing

Negation

Simple form	V-ing form
I mustn't foreknow you mustn't foreknow he mustn't foreknow we mustn't foreknow you mustn't foreknow they mustn't foreknow	I mustn't be foreknowing you mustn't be foreknowing he mustn't be foreknowing we mustn't be foreknowing you mustn't be foreknowing they mustn't be foreknowing
Perfect	V-ing perfect
I mustn't have foreknown you mustn't have foreknown he mustn't have foreknown we mustn't have foreknown you mustn't have foreknown they mustn't have foreknown	I mustn't have been foreknowing you mustn't have been foreknowing he mustn't have been foreknowing we mustn't have been foreknowing you mustn't have been foreknowing they mustn't have been foreknowing

Interrogative form

Simple form	V-ing form
must I foreknow? must you foreknow? must he foreknow? must we foreknow? must you foreknow? must they foreknow?	must I be foreknowing? must you be foreknowing? must he be foreknowing? must we be foreknowing? must you be foreknowing? must they be foreknowing?
Perfect	V-ing perfect
must I have foreknown? must you have foreknown? must he have foreknown? must we have foreknown? must you have foreknown? must they have foreknown?	must I have been foreknowing? must you have been foreknowing? must he have been foreknowing? must we have been foreknowing? must you have been foreknowing? must they have been foreknowing?

Interro-negative form

Simple form	V-ing form
mustn't I foreknow? mustn't you foreknow? mustn't he foreknow? mustn't we foreknow? mustn't you foreknow? mustn't they foreknow?	mustn't I be foreknowing? mustn't you be foreknowing? mustn't he be foreknowing? mustn't we be foreknowing? mustn't you be foreknowing? mustn't they be foreknowing?
Perfect	V-ing perfect
mustn't I have foreknown? mustn't you have foreknown? mustn't he have foreknown? mustn't we have foreknown? mustn't you have foreknown? mustn't they have foreknown?	mustn't I have been foreknowing? mustn't you have been foreknowing? mustn't he have been foreknowing? mustn't we have been foreknowing? mustn't you have been foreknowing? mustn't they have been foreknowing?