I must absorb you must absorb he must absorb we must absorb you must absorb they must absorb
V-ing form
I must be absorbing you must be absorbing he must be absorbing we must be absorbing you must be absorbing they must be absorbing
Perfect
I must have absorbed you must have absorbed he must have absorbed we must have absorbed you must have absorbed they must have absorbed
V-ing perfect
I must have been absorbing you must have been absorbing he must have been absorbing we must have been absorbing you must have been absorbing they must have been absorbing
Negation
Simple form
I must not absorb you must not absorb he must not absorb we must not absorb you must not absorb they must not absorb
V-ing form
I must not be absorbing you must not be absorbing he must not be absorbing we must not be absorbing you must not be absorbing they must not be absorbing
Perfect
I must not have absorbed you must not have absorbed he must not have absorbed we must not have absorbed you must not have absorbed they must not have absorbed
V-ing perfect
I must not have been absorbing you must not have been absorbing he must not have been absorbing we must not have been absorbing you must not have been absorbing they must not have been absorbing
Interrogative form
Simple form
must I absorb? must you absorb? must he absorb? must we absorb? must you absorb? must they absorb?
V-ing form
must I be absorbing? must you be absorbing? must he be absorbing? must we be absorbing? must you be absorbing? must they be absorbing?
Perfect
must I have absorbed? must you have absorbed? must he have absorbed? must we have absorbed? must you have absorbed? must they have absorbed?
V-ing perfect
must I have been absorbing? must you have been absorbing? must he have been absorbing? must we have been absorbing? must you have been absorbing? must they have been absorbing?
Interro-negative form
Simple form
must I not absorb? must you not absorb? must he not absorb? must we not absorb? must you not absorb? must they not absorb?
V-ing form
must I not be absorbing? must you not be absorbing? must he not be absorbing? must we not be absorbing? must you not be absorbing? must they not be absorbing?
Perfect
must I not have absorbed? must you not have absorbed? must he not have absorbed? must we not have absorbed? must you not have absorbed? must they not have absorbed?
V-ing perfect
must I not have been absorbing? must you not have been absorbing? must he not have been absorbing? must we not have been absorbing? must you not have been absorbing? must they not have been absorbing?