I must affright you must affright she must affright we must affright you must affright they must affright
V-ing form
I must be affrighting you must be affrighting she must be affrighting we must be affrighting you must be affrighting they must be affrighting
Perfect
I must have affrighted you must have affrighted she must have affrighted we must have affrighted you must have affrighted they must have affrighted
V-ing perfect
I must have been affrighting you must have been affrighting she must have been affrighting we must have been affrighting you must have been affrighting they must have been affrighting
Negation
Simple form
I must not affright you must not affright she must not affright we must not affright you must not affright they must not affright
V-ing form
I must not be affrighting you must not be affrighting she must not be affrighting we must not be affrighting you must not be affrighting they must not be affrighting
Perfect
I must not have affrighted you must not have affrighted she must not have affrighted we must not have affrighted you must not have affrighted they must not have affrighted
V-ing perfect
I must not have been affrighting you must not have been affrighting she must not have been affrighting we must not have been affrighting you must not have been affrighting they must not have been affrighting
Interrogative form
Simple form
must I affright? must you affright? must she affright? must we affright? must you affright? must they affright?
V-ing form
must I be affrighting? must you be affrighting? must she be affrighting? must we be affrighting? must you be affrighting? must they be affrighting?
Perfect
must I have affrighted? must you have affrighted? must she have affrighted? must we have affrighted? must you have affrighted? must they have affrighted?
V-ing perfect
must I have been affrighting? must you have been affrighting? must she have been affrighting? must we have been affrighting? must you have been affrighting? must they have been affrighting?
Interro-negative form
Simple form
must I not affright? must you not affright? must she not affright? must we not affright? must you not affright? must they not affright?
V-ing form
must I not be affrighting? must you not be affrighting? must she not be affrighting? must we not be affrighting? must you not be affrighting? must they not be affrighting?
Perfect
must I not have affrighted? must you not have affrighted? must she not have affrighted? must we not have affrighted? must you not have affrighted? must they not have affrighted?
V-ing perfect
must I not have been affrighting? must you not have been affrighting? must she not have been affrighting? must we not have been affrighting? must you not have been affrighting? must they not have been affrighting?