I can assort you can assort he can assort we can assort you can assort they can assort
V-ing form
I can be assorting you can be assorting he can be assorting we can be assorting you can be assorting they can be assorting
Perfect
I can have assorted you can have assorted he can have assorted we can have assorted you can have assorted they can have assorted
V-ing perfect
I can have been assorting you can have been assorting he can have been assorting we can have been assorting you can have been assorting they can have been assorting
Negation
Simple form
I can't assort you can't assort he can't assort we can't assort you can't assort they can't assort
V-ing form
I can't be assorting you can't be assorting he can't be assorting we can't be assorting you can't be assorting they can't be assorting
Perfect
I can't have assorted you can't have assorted he can't have assorted we can't have assorted you can't have assorted they can't have assorted
V-ing perfect
I can't have been assorting you can't have been assorting he can't have been assorting we can't have been assorting you can't have been assorting they can't have been assorting
Interrogative form
Simple form
can I assort? can you assort? can he assort? can we assort? can you assort? can they assort?
V-ing form
can I be assorting? can you be assorting? can he be assorting? can we be assorting? can you be assorting? can they be assorting?
Perfect
can I have assorted? can you have assorted? can he have assorted? can we have assorted? can you have assorted? can they have assorted?
V-ing perfect
can I have been assorting? can you have been assorting? can he have been assorting? can we have been assorting? can you have been assorting? can they have been assorting?
Interro-negative form
Simple form
can't I assort? can't you assort? can't he assort? can't we assort? can't you assort? can't they assort?
V-ing form
can't I be assorting? can't you be assorting? can't he be assorting? can't we be assorting? can't you be assorting? can't they be assorting?
Perfect
can't I have assorted? can't you have assorted? can't he have assorted? can't we have assorted? can't you have assorted? can't they have assorted?
V-ing perfect
can't I have been assorting? can't you have been assorting? can't he have been assorting? can't we have been assorting? can't you have been assorting? can't they have been assorting?