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 couldn't categorise you couldn't categorise she couldn't categorise we couldn't categorise you couldn't categorise they couldn't categorise
Forme en V-ing
I couldn't be categorising you couldn't be categorising she couldn't be categorising we couldn't be categorising you couldn't be categorising they couldn't be categorising
Perfect
I couldn't have categorised you couldn't have categorised she couldn't have categorised we couldn't have categorised you couldn't have categorised they couldn't have categorised
Perfect en V-ing
I couldn't have been categorising you couldn't have been categorising she couldn't have been categorising we couldn't have been categorising you couldn't have been categorising they couldn't 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
couldn't I categorise? couldn't you categorise? couldn't she categorise? couldn't we categorise? couldn't you categorise? couldn't they categorise?
Forme en V-ing
couldn't I be categorising? couldn't you be categorising? couldn't she be categorising? couldn't we be categorising? couldn't you be categorising? couldn't they be categorising?
Perfect
couldn't I have categorised? couldn't you have categorised? couldn't she have categorised? couldn't we have categorised? couldn't you have categorised? couldn't they have categorised?
Perfect en V-ing
couldn't I have been categorising? couldn't you have been categorising? couldn't she have been categorising? couldn't we have been categorising? couldn't you have been categorising? couldn't they have been categorising?