must overabsorb
Regular verb: overabsorb - overabsorbed- overabsorbed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must overabsorb
you must overabsorb
he must overabsorb
we must overabsorb
you must overabsorb
they must overabsorb 	I must be overabsorbing
you must be overabsorbing
he must be overabsorbing
we must be overabsorbing
you must be overabsorbing
they must be overabsorbing	I must have overabsorbed
you must have overabsorbed
he must have overabsorbed
we must have overabsorbed
you must have overabsorbed
they must have overabsorbed	I must have been overabsorbing
you must have been overabsorbing
he must have been overabsorbing
we must have been overabsorbing
you must have been overabsorbing
they must have been overabsorbing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mustn't overabsorb
you mustn't overabsorb
he mustn't overabsorb
we mustn't overabsorb
you mustn't overabsorb
they mustn't overabsorb 	I mustn't be overabsorbing
you mustn't be overabsorbing
he mustn't be overabsorbing
we mustn't be overabsorbing
you mustn't be overabsorbing
they mustn't be overabsorbing	I mustn't have overabsorbed
you mustn't have overabsorbed
he mustn't have overabsorbed
we mustn't have overabsorbed
you mustn't have overabsorbed
they mustn't have overabsorbed	I mustn't have been overabsorbing
you mustn't have been overabsorbing
he mustn't have been overabsorbing
we mustn't have been overabsorbing
you mustn't have been overabsorbing
they mustn't have been overabsorbing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I overabsorb?
must you overabsorb?
must he overabsorb?
must we overabsorb?
must you overabsorb?
must they overabsorb? 	must I be overabsorbing?
must you be overabsorbing?
must he be overabsorbing?
must we be overabsorbing?
must you be overabsorbing?
must they be overabsorbing? 	must I have overabsorbed?
must you have overabsorbed?
must he have overabsorbed?
must we have overabsorbed?
must you have overabsorbed?
must they have overabsorbed? 	must I have been overabsorbing?
must you have been overabsorbing?
must he have been overabsorbing?
must we have been overabsorbing?
must you have been overabsorbing?
must they have been overabsorbing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mustn't I overabsorb?
mustn't you overabsorb?
mustn't he overabsorb?
mustn't we overabsorb?
mustn't you overabsorb?
mustn't they overabsorb? 	mustn't I be overabsorbing?
mustn't you be overabsorbing?
mustn't he be overabsorbing?
mustn't we be overabsorbing?
mustn't you be overabsorbing?
mustn't they be overabsorbing? 	mustn't I have overabsorbed?
mustn't you have overabsorbed?
mustn't he have overabsorbed?
mustn't we have overabsorbed?
mustn't you have overabsorbed?
mustn't they have overabsorbed? 	mustn't I have been overabsorbing?
mustn't you have been overabsorbing?
mustn't he have been overabsorbing?
mustn't we have been overabsorbing?
mustn't you have been overabsorbing?
mustn't they have been overabsorbing?