I must feint you must feint she must feint we must feint you must feint they must feint
V-ing form
I must be feinting you must be feinting she must be feinting we must be feinting you must be feinting they must be feinting
Perfect
I must have feinted you must have feinted she must have feinted we must have feinted you must have feinted they must have feinted
V-ing perfect
I must have been feinting you must have been feinting she must have been feinting we must have been feinting you must have been feinting they must have been feinting
Negation
Simple form
I must not feint you must not feint she must not feint we must not feint you must not feint they must not feint
V-ing form
I must not be feinting you must not be feinting she must not be feinting we must not be feinting you must not be feinting they must not be feinting
Perfect
I must not have feinted you must not have feinted she must not have feinted we must not have feinted you must not have feinted they must not have feinted
V-ing perfect
I must not have been feinting you must not have been feinting she must not have been feinting we must not have been feinting you must not have been feinting they must not have been feinting
Interrogative form
Simple form
must I feint? must you feint? must she feint? must we feint? must you feint? must they feint?
V-ing form
must I be feinting? must you be feinting? must she be feinting? must we be feinting? must you be feinting? must they be feinting?
Perfect
must I have feinted? must you have feinted? must she have feinted? must we have feinted? must you have feinted? must they have feinted?
V-ing perfect
must I have been feinting? must you have been feinting? must she have been feinting? must we have been feinting? must you have been feinting? must they have been feinting?
Interro-negative form
Simple form
must I not feint? must you not feint? must she not feint? must we not feint? must you not feint? must they not feint?
V-ing form
must I not be feinting? must you not be feinting? must she not be feinting? must we not be feinting? must you not be feinting? must they not be feinting?
Perfect
must I not have feinted? must you not have feinted? must she not have feinted? must we not have feinted? must you not have feinted? must they not have feinted?
V-ing perfect
must I not have been feinting? must you not have been feinting? must she not have been feinting? must we not have been feinting? must you not have been feinting? must they not have been feinting?