I could finalise you could finalise she could finalise we could finalise you could finalise they could finalise
V-ing form
I could be finalising you could be finalising she could be finalising we could be finalising you could be finalising they could be finalising
Perfect
I could have finalised you could have finalised she could have finalised we could have finalised you could have finalised they could have finalised
V-ing perfect
I could have been finalising you could have been finalising she could have been finalising we could have been finalising you could have been finalising they could have been finalising
Negation
Simple form
I couldn't finalise you couldn't finalise she couldn't finalise we couldn't finalise you couldn't finalise they couldn't finalise
V-ing form
I couldn't be finalising you couldn't be finalising she couldn't be finalising we couldn't be finalising you couldn't be finalising they couldn't be finalising
Perfect
I couldn't have finalised you couldn't have finalised she couldn't have finalised we couldn't have finalised you couldn't have finalised they couldn't have finalised
V-ing perfect
I couldn't have been finalising you couldn't have been finalising she couldn't have been finalising we couldn't have been finalising you couldn't have been finalising they couldn't have been finalising
Interrogative form
Simple form
could I finalise? could you finalise? could she finalise? could we finalise? could you finalise? could they finalise?
V-ing form
could I be finalising? could you be finalising? could she be finalising? could we be finalising? could you be finalising? could they be finalising?
Perfect
could I have finalised? could you have finalised? could she have finalised? could we have finalised? could you have finalised? could they have finalised?
V-ing perfect
could I have been finalising? could you have been finalising? could she have been finalising? could we have been finalising? could you have been finalising? could they have been finalising?
Interro-negative form
Simple form
couldn't I finalise? couldn't you finalise? couldn't she finalise? couldn't we finalise? couldn't you finalise? couldn't they finalise?
V-ing form
couldn't I be finalising? couldn't you be finalising? couldn't she be finalising? couldn't we be finalising? couldn't you be finalising? couldn't they be finalising?
Perfect
couldn't I have finalised? couldn't you have finalised? couldn't she have finalised? couldn't we have finalised? couldn't you have finalised? couldn't they have finalised?
V-ing perfect
couldn't I have been finalising? couldn't you have been finalising? couldn't she have been finalising? couldn't we have been finalising? couldn't you have been finalising? couldn't they have been finalising?