English verb conjugation
MUST TONGUE

Regular verb: tongue - tongued - tongued

Affirmation

Simple form	V-ing form
I must tongue you must tongue he must tongue we must tongue you must tongue they must tongue	I must be tonguing you must be tonguing he must be tonguing we must be tonguing you must be tonguing they must be tonguing
Perfect	V-ing perfect
I must have tongued you must have tongued he must have tongued we must have tongued you must have tongued they must have tongued	I must have been tonguing you must have been tonguing he must have been tonguing we must have been tonguing you must have been tonguing they must have been tonguing

Negation

Simple form	V-ing form
I must not tongue you must not tongue he must not tongue we must not tongue you must not tongue they must not tongue	I must not be tonguing you must not be tonguing he must not be tonguing we must not be tonguing you must not be tonguing they must not be tonguing
Perfect	V-ing perfect
I must not have tongued you must not have tongued he must not have tongued we must not have tongued you must not have tongued they must not have tongued	I must not have been tonguing you must not have been tonguing he must not have been tonguing we must not have been tonguing you must not have been tonguing they must not have been tonguing

Interrogative form

Simple form	V-ing form
must I tongue? must you tongue? must he tongue? must we tongue? must you tongue? must they tongue?	must I be tonguing? must you be tonguing? must he be tonguing? must we be tonguing? must you be tonguing? must they be tonguing?
Perfect	V-ing perfect
must I have tongued? must you have tongued? must he have tongued? must we have tongued? must you have tongued? must they have tongued?	must I have been tonguing? must you have been tonguing? must he have been tonguing? must we have been tonguing? must you have been tonguing? must they have been tonguing?

Interro-negative form

Simple form	V-ing form
must I not tongue? must you not tongue? must he not tongue? must we not tongue? must you not tongue? must they not tongue?	must I not be tonguing? must you not be tonguing? must he not be tonguing? must we not be tonguing? must you not be tonguing? must they not be tonguing?
Perfect	V-ing perfect
must I not have tongued? must you not have tongued? must he not have tongued? must we not have tongued? must you not have tongued? must they not have tongued?	must I not have been tonguing? must you not have been tonguing? must he not have been tonguing? must we not have been tonguing? must you not have been tonguing? must they not have been tonguing?