I must foreknow you must foreknow she must foreknow we must foreknow you must foreknow they must foreknow
V-ing form
I must be foreknowing you must be foreknowing she must be foreknowing we must be foreknowing you must be foreknowing they must be foreknowing
Perfect
I must have foreknown you must have foreknown she must have foreknown we must have foreknown you must have foreknown they must have foreknown
V-ing perfect
I must have been foreknowing you must have been foreknowing she must have been foreknowing we must have been foreknowing you must have been foreknowing they must have been foreknowing
Negation
Simple form
I must not foreknow you must not foreknow she must not foreknow we must not foreknow you must not foreknow they must not foreknow
V-ing form
I must not be foreknowing you must not be foreknowing she must not be foreknowing we must not be foreknowing you must not be foreknowing they must not be foreknowing
Perfect
I must not have foreknown you must not have foreknown she must not have foreknown we must not have foreknown you must not have foreknown they must not have foreknown
V-ing perfect
I must not have been foreknowing you must not have been foreknowing she must not have been foreknowing we must not have been foreknowing you must not have been foreknowing they must not have been foreknowing
Interrogative form
Simple form
must I foreknow? must you foreknow? must she foreknow? must we foreknow? must you foreknow? must they foreknow?
V-ing form
must I be foreknowing? must you be foreknowing? must she be foreknowing? must we be foreknowing? must you be foreknowing? must they be foreknowing?
Perfect
must I have foreknown? must you have foreknown? must she have foreknown? must we have foreknown? must you have foreknown? must they have foreknown?
V-ing perfect
must I have been foreknowing? must you have been foreknowing? must she have been foreknowing? must we have been foreknowing? must you have been foreknowing? must they have been foreknowing?
Interro-negative form
Simple form
must I not foreknow? must you not foreknow? must she not foreknow? must we not foreknow? must you not foreknow? must they not foreknow?
V-ing form
must I not be foreknowing? must you not be foreknowing? must she not be foreknowing? must we not be foreknowing? must you not be foreknowing? must they not be foreknowing?
Perfect
must I not have foreknown? must you not have foreknown? must she not have foreknown? must we not have foreknown? must you not have foreknown? must they not have foreknown?
V-ing perfect
must I not have been foreknowing? must you not have been foreknowing? must she not have been foreknowing? must we not have been foreknowing? must you not have been foreknowing? must they not have been foreknowing?