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 mustn't affright you mustn't affright she mustn't affright we mustn't affright you mustn't affright they mustn't affright
V-ing form
I mustn't be affrighting you mustn't be affrighting she mustn't be affrighting we mustn't be affrighting you mustn't be affrighting they mustn't be affrighting
Perfect
I mustn't have affrighted you mustn't have affrighted she mustn't have affrighted we mustn't have affrighted you mustn't have affrighted they mustn't have affrighted
V-ing perfect
I mustn't have been affrighting you mustn't have been affrighting she mustn't have been affrighting we mustn't have been affrighting you mustn't have been affrighting they mustn't 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
mustn't I affright? mustn't you affright? mustn't she affright? mustn't we affright? mustn't you affright? mustn't they affright?
V-ing form
mustn't I be affrighting? mustn't you be affrighting? mustn't she be affrighting? mustn't we be affrighting? mustn't you be affrighting? mustn't they be affrighting?
Perfect
mustn't I have affrighted? mustn't you have affrighted? mustn't she have affrighted? mustn't we have affrighted? mustn't you have affrighted? mustn't they have affrighted?
V-ing perfect
mustn't I have been affrighting? mustn't you have been affrighting? mustn't she have been affrighting? mustn't we have been affrighting? mustn't you have been affrighting? mustn't they have been affrighting?