English verb conjugation
MUST SANDAL

Regular verb: sandal - sandaled - sandaled

Affirmation

Simple form	V-ing form
I must sandal you must sandal he must sandal we must sandal you must sandal they must sandal	I must be sandaling you must be sandaling he must be sandaling we must be sandaling you must be sandaling they must be sandaling
Perfect	V-ing perfect
I must have sandaled you must have sandaled he must have sandaled we must have sandaled you must have sandaled they must have sandaled	I must have been sandaling you must have been sandaling he must have been sandaling we must have been sandaling you must have been sandaling they must have been sandaling

Negation

Simple form	V-ing form
I must not sandal you must not sandal he must not sandal we must not sandal you must not sandal they must not sandal	I must not be sandaling you must not be sandaling he must not be sandaling we must not be sandaling you must not be sandaling they must not be sandaling
Perfect	V-ing perfect
I must not have sandaled you must not have sandaled he must not have sandaled we must not have sandaled you must not have sandaled they must not have sandaled	I must not have been sandaling you must not have been sandaling he must not have been sandaling we must not have been sandaling you must not have been sandaling they must not have been sandaling

Interrogative form

Simple form	V-ing form
must I sandal? must you sandal? must he sandal? must we sandal? must you sandal? must they sandal?	must I be sandaling? must you be sandaling? must he be sandaling? must we be sandaling? must you be sandaling? must they be sandaling?
Perfect	V-ing perfect
must I have sandaled? must you have sandaled? must he have sandaled? must we have sandaled? must you have sandaled? must they have sandaled?	must I have been sandaling? must you have been sandaling? must he have been sandaling? must we have been sandaling? must you have been sandaling? must they have been sandaling?

Interro-negative form

Simple form	V-ing form
must I not sandal? must you not sandal? must he not sandal? must we not sandal? must you not sandal? must they not sandal?	must I not be sandaling? must you not be sandaling? must he not be sandaling? must we not be sandaling? must you not be sandaling? must they not be sandaling?
Perfect	V-ing perfect
must I not have sandaled? must you not have sandaled? must he not have sandaled? must we not have sandaled? must you not have sandaled? must they not have sandaled?	must I not have been sandaling? must you not have been sandaling? must he not have been sandaling? must we not have been sandaling? must you not have been sandaling? must they not have been sandaling?