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