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