Warning, this verb may not exist. Conjugation is given as example.
Affirmation
Simple form
I must cake cake you must cake cake he must cake cake we must cake cake you must cake cake they must cake cake
V-ing form
I must be cake caking you must be cake caking he must be cake caking we must be cake caking you must be cake caking they must be cake caking
Perfect
I must have cake caked you must have cake caked he must have cake caked we must have cake caked you must have cake caked they must have cake caked
V-ing perfect
I must have been cake caking you must have been cake caking he must have been cake caking we must have been cake caking you must have been cake caking they must have been cake caking
Negation
Simple form
I must not cake cake you must not cake cake he must not cake cake we must not cake cake you must not cake cake they must not cake cake
V-ing form
I must not be cake caking you must not be cake caking he must not be cake caking we must not be cake caking you must not be cake caking they must not be cake caking
Perfect
I must not have cake caked you must not have cake caked he must not have cake caked we must not have cake caked you must not have cake caked they must not have cake caked
V-ing perfect
I must not have been cake caking you must not have been cake caking he must not have been cake caking we must not have been cake caking you must not have been cake caking they must not have been cake caking
Interrogative form
Simple form
must I cake cake? must you cake cake? must he cake cake? must we cake cake? must you cake cake? must they cake cake?
V-ing form
must I be cake caking? must you be cake caking? must he be cake caking? must we be cake caking? must you be cake caking? must they be cake caking?
Perfect
must I have cake caked? must you have cake caked? must he have cake caked? must we have cake caked? must you have cake caked? must they have cake caked?
V-ing perfect
must I have been cake caking? must you have been cake caking? must he have been cake caking? must we have been cake caking? must you have been cake caking? must they have been cake caking?
Interro-negative form
Simple form
must I not cake cake? must you not cake cake? must he not cake cake? must we not cake cake? must you not cake cake? must they not cake cake?
V-ing form
must I not be cake caking? must you not be cake caking? must he not be cake caking? must we not be cake caking? must you not be cake caking? must they not be cake caking?
Perfect
must I not have cake caked? must you not have cake caked? must he not have cake caked? must we not have cake caked? must you not have cake caked? must they not have cake caked?
V-ing perfect
must I not have been cake caking? must you not have been cake caking? must he not have been cake caking? must we not have been cake caking? must you not have been cake caking? must they not have been cake caking?