I must bare you must bare he must bare we must bare you must bare they must bare
V-ing form
I must be baring you must be baring he must be baring we must be baring you must be baring they must be baring
Perfect
I must have bared you must have bared he must have bared we must have bared you must have bared they must have bared
V-ing perfect
I must have been baring you must have been baring he must have been baring we must have been baring you must have been baring they must have been baring
Negation
Simple form
I must not bare you must not bare he must not bare we must not bare you must not bare they must not bare
V-ing form
I must not be baring you must not be baring he must not be baring we must not be baring you must not be baring they must not be baring
Perfect
I must not have bared you must not have bared he must not have bared we must not have bared you must not have bared they must not have bared
V-ing perfect
I must not have been baring you must not have been baring he must not have been baring we must not have been baring you must not have been baring they must not have been baring
Interrogative form
Simple form
must I bare? must you bare? must he bare? must we bare? must you bare? must they bare?
V-ing form
must I be baring? must you be baring? must he be baring? must we be baring? must you be baring? must they be baring?
Perfect
must I have bared? must you have bared? must he have bared? must we have bared? must you have bared? must they have bared?
V-ing perfect
must I have been baring? must you have been baring? must he have been baring? must we have been baring? must you have been baring? must they have been baring?
Interro-negative form
Simple form
must I not bare? must you not bare? must he not bare? must we not bare? must you not bare? must they not bare?
V-ing form
must I not be baring? must you not be baring? must he not be baring? must we not be baring? must you not be baring? must they not be baring?
Perfect
must I not have bared? must you not have bared? must he not have bared? must we not have bared? must you not have bared? must they not have bared?
V-ing perfect
must I not have been baring? must you not have been baring? must he not have been baring? must we not have been baring? must you not have been baring? must they not have been baring?