I could containerise you could containerise he could containerise we could containerise you could containerise they could containerise
V-ing form
I could be containerising you could be containerising he could be containerising we could be containerising you could be containerising they could be containerising
Perfect
I could have containerised you could have containerised he 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 he 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 he 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 he 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 he 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 he 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 he containerise? could we containerise? could you containerise? could they containerise?
V-ing form
could I be containerising? could you be containerising? could he be containerising? could we be containerising? could you be containerising? could they be containerising?
Perfect
could I have containerised? could you have containerised? could he 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 he 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 he 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 he 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 he 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 he have been containerising? couldn't we have been containerising? couldn't you have been containerising? couldn't they have been containerising?