English verb conjugation
MUST TAP-DANCE

Regular verb: tap-dance - tap-danced - tap-danced

Affirmation

Simple form	V-ing form
I must tap-dance you must tap-dance he must tap-dance we must tap-dance you must tap-dance they must tap-dance	I must be tap-dancing you must be tap-dancing he must be tap-dancing we must be tap-dancing you must be tap-dancing they must be tap-dancing
Perfect	V-ing perfect
I must have tap-danced you must have tap-danced he must have tap-danced we must have tap-danced you must have tap-danced they must have tap-danced	I must have been tap-dancing you must have been tap-dancing he must have been tap-dancing we must have been tap-dancing you must have been tap-dancing they must have been tap-dancing

Negation

Simple form	V-ing form
I must not tap-dance you must not tap-dance he must not tap-dance we must not tap-dance you must not tap-dance they must not tap-dance	I must not be tap-dancing you must not be tap-dancing he must not be tap-dancing we must not be tap-dancing you must not be tap-dancing they must not be tap-dancing
Perfect	V-ing perfect
I must not have tap-danced you must not have tap-danced he must not have tap-danced we must not have tap-danced you must not have tap-danced they must not have tap-danced	I must not have been tap-dancing you must not have been tap-dancing he must not have been tap-dancing we must not have been tap-dancing you must not have been tap-dancing they must not have been tap-dancing

Interrogative form

Simple form	V-ing form
must I tap-dance? must you tap-dance? must he tap-dance? must we tap-dance? must you tap-dance? must they tap-dance?	must I be tap-dancing? must you be tap-dancing? must he be tap-dancing? must we be tap-dancing? must you be tap-dancing? must they be tap-dancing?
Perfect	V-ing perfect
must I have tap-danced? must you have tap-danced? must he have tap-danced? must we have tap-danced? must you have tap-danced? must they have tap-danced?	must I have been tap-dancing? must you have been tap-dancing? must he have been tap-dancing? must we have been tap-dancing? must you have been tap-dancing? must they have been tap-dancing?

Interro-negative form

Simple form	V-ing form
must I not tap-dance? must you not tap-dance? must he not tap-dance? must we not tap-dance? must you not tap-dance? must they not tap-dance?	must I not be tap-dancing? must you not be tap-dancing? must he not be tap-dancing? must we not be tap-dancing? must you not be tap-dancing? must they not be tap-dancing?
Perfect	V-ing perfect
must I not have tap-danced? must you not have tap-danced? must he not have tap-danced? must we not have tap-danced? must you not have tap-danced? must they not have tap-danced?	must I not have been tap-dancing? must you not have been tap-dancing? must he not have been tap-dancing? must we not have been tap-dancing? must you not have been tap-dancing? must they not have been tap-dancing?