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