English verb conjugation
MUST LIP-SYNCH

Regular verb: lip-synch - lip-synched - lip-synched

Affirmation

Simple form	V-ing form
I must lip-synch you must lip-synch he must lip-synch we must lip-synch you must lip-synch they must lip-synch	I must be lip-synching you must be lip-synching he must be lip-synching we must be lip-synching you must be lip-synching they must be lip-synching
Perfect	V-ing perfect
I must have lip-synched you must have lip-synched he must have lip-synched we must have lip-synched you must have lip-synched they must have lip-synched	I must have been lip-synching you must have been lip-synching he must have been lip-synching we must have been lip-synching you must have been lip-synching they must have been lip-synching

Negation

Simple form	V-ing form
I must not lip-synch you must not lip-synch he must not lip-synch we must not lip-synch you must not lip-synch they must not lip-synch	I must not be lip-synching you must not be lip-synching he must not be lip-synching we must not be lip-synching you must not be lip-synching they must not be lip-synching
Perfect	V-ing perfect
I must not have lip-synched you must not have lip-synched he must not have lip-synched we must not have lip-synched you must not have lip-synched they must not have lip-synched	I must not have been lip-synching you must not have been lip-synching he must not have been lip-synching we must not have been lip-synching you must not have been lip-synching they must not have been lip-synching

Interrogative form

Simple form	V-ing form
must I lip-synch? must you lip-synch? must he lip-synch? must we lip-synch? must you lip-synch? must they lip-synch?	must I be lip-synching? must you be lip-synching? must he be lip-synching? must we be lip-synching? must you be lip-synching? must they be lip-synching?
Perfect	V-ing perfect
must I have lip-synched? must you have lip-synched? must he have lip-synched? must we have lip-synched? must you have lip-synched? must they have lip-synched?	must I have been lip-synching? must you have been lip-synching? must he have been lip-synching? must we have been lip-synching? must you have been lip-synching? must they have been lip-synching?

Interro-negative form

Simple form	V-ing form
must I not lip-synch? must you not lip-synch? must he not lip-synch? must we not lip-synch? must you not lip-synch? must they not lip-synch?	must I not be lip-synching? must you not be lip-synching? must he not be lip-synching? must we not be lip-synching? must you not be lip-synching? must they not be lip-synching?
Perfect	V-ing perfect
must I not have lip-synched? must you not have lip-synched? must he not have lip-synched? must we not have lip-synched? must you not have lip-synched? must they not have lip-synched?	must I not have been lip-synching? must you not have been lip-synching? must he not have been lip-synching? must we not have been lip-synching? must you not have been lip-synching? must they not have been lip-synching?