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 must not retag you must not retag he must not retag we must not retag you must not retag they must not retag	I must not be retaging you must not be retaging he must not be retaging we must not be retaging you must not be retaging they must not be retaging
Perfect	V-ing perfect
I must not have retaged you must not have retaged he must not have retaged we must not have retaged you must not have retaged they must not have retaged	I must not have been retaging you must not have been retaging he must not have been retaging we must not have been retaging you must not have been retaging they must not 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
must I not retag? must you not retag? must he not retag? must we not retag? must you not retag? must they not retag?	must I not be retaging? must you not be retaging? must he not be retaging? must we not be retaging? must you not be retaging? must they not be retaging?
Perfect	V-ing perfect
must I not have retaged? must you not have retaged? must he not have retaged? must we not have retaged? must you not have retaged? must they not have retaged?	must I not have been retaging? must you not have been retaging? must he not have been retaging? must we not have been retaging? must you not have been retaging? must they not have been retaging?