I could categorise you could categorise she could categorise we could categorise you could categorise they could categorise
Forme en V-ing
I could be categorising you could be categorising she could be categorising we could be categorising you could be categorising they could be categorising
Perfect
I could have categorised you could have categorised she could have categorised we could have categorised you could have categorised they could have categorised
Perfect en V-ing
I could have been categorising you could have been categorising she could have been categorising we could have been categorising you could have been categorising they could have been categorising
Négation
Forme simple
I could not categorise you could not categorise she could not categorise we could not categorise you could not categorise they could not categorise
Forme en V-ing
I could not be categorising you could not be categorising she could not be categorising we could not be categorising you could not be categorising they could not be categorising
Perfect
I could not have categorised you could not have categorised she could not have categorised we could not have categorised you could not have categorised they could not have categorised
Perfect en V-ing
I could not have been categorising you could not have been categorising she could not have been categorising we could not have been categorising you could not have been categorising they could not have been categorising
Forme interrogative
Forme simple
could I categorise? could you categorise? could she categorise? could we categorise? could you categorise? could they categorise?
Forme en V-ing
could I be categorising? could you be categorising? could she be categorising? could we be categorising? could you be categorising? could they be categorising?
Perfect
could I have categorised? could you have categorised? could she have categorised? could we have categorised? could you have categorised? could they have categorised?
Perfect en V-ing
could I have been categorising? could you have been categorising? could she have been categorising? could we have been categorising? could you have been categorising? could they have been categorising?
Forme interro-négative
Forme simple
could I not categorise? could you not categorise? could she not categorise? could we not categorise? could you not categorise? could they not categorise?
Forme en V-ing
could I not be categorising? could you not be categorising? could she not be categorising? could we not be categorising? could you not be categorising? could they not be categorising?
Perfect
could I not have categorised? could you not have categorised? could she not have categorised? could we not have categorised? could you not have categorised? could they not have categorised?
Perfect en V-ing
could I not have been categorising? could you not have been categorising? could she not have been categorising? could we not have been categorising? could you not have been categorising? could they not have been categorising?