English verb conjugation
MUST RETAG

Regular verb: retag - retaged - retaged

Affirmation

Simple form	V-ing form
I must retag you must retag he must retag we must retag you must retag they must retag	I must be retaging you must be retaging he must be retaging we must be retaging you must be retaging they must be retaging
Perfect	V-ing perfect
I must have retaged you must have retaged he must have retaged we must have retaged you must have retaged they must have retaged	I must have been retaging you must have been retaging he must have been retaging we must have been retaging you must have been retaging they must have been retaging

Negation

Simple form	V-ing form
I mustn't retag you mustn't retag he mustn't retag we mustn't retag you mustn't retag they mustn't retag	I mustn't be retaging you mustn't be retaging he mustn't be retaging we mustn't be retaging you mustn't be retaging they mustn't be retaging
Perfect	V-ing perfect
I mustn't have retaged you mustn't have retaged he mustn't have retaged we mustn't have retaged you mustn't have retaged they mustn't have retaged	I mustn't have been retaging you mustn't have been retaging he mustn't have been retaging we mustn't have been retaging you mustn't have been retaging they mustn't have been retaging

Interrogative form

Simple form	V-ing form
must I retag? must you retag? must he retag? must we retag? must you retag? must they retag?	must I be retaging? must you be retaging? must he be retaging? must we be retaging? must you be retaging? must they be retaging?
Perfect	V-ing perfect
must I have retaged? must you have retaged? must he have retaged? must we have retaged? must you have retaged? must they have retaged?	must I have been retaging? must you have been retaging? must he have been retaging? must we have been retaging? must you have been retaging? must they have been retaging?

Interro-negative form

Simple form	V-ing form
mustn't I retag? mustn't you retag? mustn't he retag? mustn't we retag? mustn't you retag? mustn't they retag?	mustn't I be retaging? mustn't you be retaging? mustn't he be retaging? mustn't we be retaging? mustn't you be retaging? mustn't they be retaging?
Perfect	V-ing perfect
mustn't I have retaged? mustn't you have retaged? mustn't he have retaged? mustn't we have retaged? mustn't you have retaged? mustn't they have retaged?	mustn't I have been retaging? mustn't you have been retaging? mustn't he have been retaging? mustn't we have been retaging? mustn't you have been retaging? mustn't they have been retaging?