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 mustn't tap-dance you mustn't tap-dance he mustn't tap-dance we mustn't tap-dance you mustn't tap-dance they mustn't tap-dance	I mustn't be tap-dancing you mustn't be tap-dancing he mustn't be tap-dancing we mustn't be tap-dancing you mustn't be tap-dancing they mustn't be tap-dancing
Perfect	V-ing perfect
I mustn't have tap-danced you mustn't have tap-danced he mustn't have tap-danced we mustn't have tap-danced you mustn't have tap-danced they mustn't have tap-danced	I mustn't have been tap-dancing you mustn't have been tap-dancing he mustn't have been tap-dancing we mustn't have been tap-dancing you mustn't have been tap-dancing they mustn't 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
mustn't I tap-dance? mustn't you tap-dance? mustn't he tap-dance? mustn't we tap-dance? mustn't you tap-dance? mustn't they tap-dance?	mustn't I be tap-dancing? mustn't you be tap-dancing? mustn't he be tap-dancing? mustn't we be tap-dancing? mustn't you be tap-dancing? mustn't they be tap-dancing?
Perfect	V-ing perfect
mustn't I have tap-danced? mustn't you have tap-danced? mustn't he have tap-danced? mustn't we have tap-danced? mustn't you have tap-danced? mustn't they have tap-danced?	mustn't I have been tap-dancing? mustn't you have been tap-dancing? mustn't he have been tap-dancing? mustn't we have been tap-dancing? mustn't you have been tap-dancing? mustn't they have been tap-dancing?