English verb conjugation
MUST TAN

Regular verb: tan - tanned - tanned

Affirmation

Simple form	V-ing form
I must tan you must tan he must tan we must tan you must tan they must tan	I must be tanning you must be tanning he must be tanning we must be tanning you must be tanning they must be tanning
Perfect	V-ing perfect
I must have tanned you must have tanned he must have tanned we must have tanned you must have tanned they must have tanned	I must have been tanning you must have been tanning he must have been tanning we must have been tanning you must have been tanning they must have been tanning

Negation

Simple form	V-ing form
I must not tan you must not tan he must not tan we must not tan you must not tan they must not tan	I must not be tanning you must not be tanning he must not be tanning we must not be tanning you must not be tanning they must not be tanning
Perfect	V-ing perfect
I must not have tanned you must not have tanned he must not have tanned we must not have tanned you must not have tanned they must not have tanned	I must not have been tanning you must not have been tanning he must not have been tanning we must not have been tanning you must not have been tanning they must not have been tanning

Interrogative form

Simple form	V-ing form
must I tan? must you tan? must he tan? must we tan? must you tan? must they tan?	must I be tanning? must you be tanning? must he be tanning? must we be tanning? must you be tanning? must they be tanning?
Perfect	V-ing perfect
must I have tanned? must you have tanned? must he have tanned? must we have tanned? must you have tanned? must they have tanned?	must I have been tanning? must you have been tanning? must he have been tanning? must we have been tanning? must you have been tanning? must they have been tanning?

Interro-negative form

Simple form	V-ing form
must I not tan? must you not tan? must he not tan? must we not tan? must you not tan? must they not tan?	must I not be tanning? must you not be tanning? must he not be tanning? must we not be tanning? must you not be tanning? must they not be tanning?
Perfect	V-ing perfect
must I not have tanned? must you not have tanned? must he not have tanned? must we not have tanned? must you not have tanned? must they not have tanned?	must I not have been tanning? must you not have been tanning? must he not have been tanning? must we not have been tanning? must you not have been tanning? must they not have been tanning?