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