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