English verb conjugation
MUST UNFOLD

Regular verb: unfold - unfolded - unfolded

Affirmation

Simple form	V-ing form
I must unfold you must unfold he must unfold we must unfold you must unfold they must unfold	I must be unfolding you must be unfolding he must be unfolding we must be unfolding you must be unfolding they must be unfolding
Perfect	V-ing perfect
I must have unfolded you must have unfolded he must have unfolded we must have unfolded you must have unfolded they must have unfolded	I must have been unfolding you must have been unfolding he must have been unfolding we must have been unfolding you must have been unfolding they must have been unfolding

Negation

Simple form	V-ing form
I must not unfold you must not unfold he must not unfold we must not unfold you must not unfold they must not unfold	I must not be unfolding you must not be unfolding he must not be unfolding we must not be unfolding you must not be unfolding they must not be unfolding
Perfect	V-ing perfect
I must not have unfolded you must not have unfolded he must not have unfolded we must not have unfolded you must not have unfolded they must not have unfolded	I must not have been unfolding you must not have been unfolding he must not have been unfolding we must not have been unfolding you must not have been unfolding they must not have been unfolding

Interrogative form

Simple form	V-ing form
must I unfold? must you unfold? must he unfold? must we unfold? must you unfold? must they unfold?	must I be unfolding? must you be unfolding? must he be unfolding? must we be unfolding? must you be unfolding? must they be unfolding?
Perfect	V-ing perfect
must I have unfolded? must you have unfolded? must he have unfolded? must we have unfolded? must you have unfolded? must they have unfolded?	must I have been unfolding? must you have been unfolding? must he have been unfolding? must we have been unfolding? must you have been unfolding? must they have been unfolding?

Interro-negative form

Simple form	V-ing form
must I not unfold? must you not unfold? must he not unfold? must we not unfold? must you not unfold? must they not unfold?	must I not be unfolding? must you not be unfolding? must he not be unfolding? must we not be unfolding? must you not be unfolding? must they not be unfolding?
Perfect	V-ing perfect
must I not have unfolded? must you not have unfolded? must he not have unfolded? must we not have unfolded? must you not have unfolded? must they not have unfolded?	must I not have been unfolding? must you not have been unfolding? must he not have been unfolding? must we not have been unfolding? must you not have been unfolding? must they not have been unfolding?