I must affirm you must affirm she must affirm we must affirm you must affirm they must affirm
V-ing form
I must be affirming you must be affirming she must be affirming we must be affirming you must be affirming they must be affirming
Perfect
I must have affirmed you must have affirmed she must have affirmed we must have affirmed you must have affirmed they must have affirmed
V-ing perfect
I must have been affirming you must have been affirming she must have been affirming we must have been affirming you must have been affirming they must have been affirming
Negation
Simple form
I must not affirm you must not affirm she must not affirm we must not affirm you must not affirm they must not affirm
V-ing form
I must not be affirming you must not be affirming she must not be affirming we must not be affirming you must not be affirming they must not be affirming
Perfect
I must not have affirmed you must not have affirmed she must not have affirmed we must not have affirmed you must not have affirmed they must not have affirmed
V-ing perfect
I must not have been affirming you must not have been affirming she must not have been affirming we must not have been affirming you must not have been affirming they must not have been affirming
Interrogative form
Simple form
must I affirm? must you affirm? must she affirm? must we affirm? must you affirm? must they affirm?
V-ing form
must I be affirming? must you be affirming? must she be affirming? must we be affirming? must you be affirming? must they be affirming?
Perfect
must I have affirmed? must you have affirmed? must she have affirmed? must we have affirmed? must you have affirmed? must they have affirmed?
V-ing perfect
must I have been affirming? must you have been affirming? must she have been affirming? must we have been affirming? must you have been affirming? must they have been affirming?
Interro-negative form
Simple form
must I not affirm? must you not affirm? must she not affirm? must we not affirm? must you not affirm? must they not affirm?
V-ing form
must I not be affirming? must you not be affirming? must she not be affirming? must we not be affirming? must you not be affirming? must they not be affirming?
Perfect
must I not have affirmed? must you not have affirmed? must she not have affirmed? must we not have affirmed? must you not have affirmed? must they not have affirmed?
V-ing perfect
must I not have been affirming? must you not have been affirming? must she not have been affirming? must we not have been affirming? must you not have been affirming? must they not have been affirming?