I could decolonise you could decolonise he could decolonise we could decolonise you could decolonise they could decolonise
V-ing form
I could be decolonising you could be decolonising he could be decolonising we could be decolonising you could be decolonising they could be decolonising
Perfect
I could have decolonised you could have decolonised he could have decolonised we could have decolonised you could have decolonised they could have decolonised
V-ing perfect
I could have been decolonising you could have been decolonising he could have been decolonising we could have been decolonising you could have been decolonising they could have been decolonising
Negation
Simple form
I couldn't decolonise you couldn't decolonise he couldn't decolonise we couldn't decolonise you couldn't decolonise they couldn't decolonise
V-ing form
I couldn't be decolonising you couldn't be decolonising he couldn't be decolonising we couldn't be decolonising you couldn't be decolonising they couldn't be decolonising
Perfect
I couldn't have decolonised you couldn't have decolonised he couldn't have decolonised we couldn't have decolonised you couldn't have decolonised they couldn't have decolonised
V-ing perfect
I couldn't have been decolonising you couldn't have been decolonising he couldn't have been decolonising we couldn't have been decolonising you couldn't have been decolonising they couldn't have been decolonising
Interrogative form
Simple form
could I decolonise? could you decolonise? could he decolonise? could we decolonise? could you decolonise? could they decolonise?
V-ing form
could I be decolonising? could you be decolonising? could he be decolonising? could we be decolonising? could you be decolonising? could they be decolonising?
Perfect
could I have decolonised? could you have decolonised? could he have decolonised? could we have decolonised? could you have decolonised? could they have decolonised?
V-ing perfect
could I have been decolonising? could you have been decolonising? could he have been decolonising? could we have been decolonising? could you have been decolonising? could they have been decolonising?
Interro-negative form
Simple form
couldn't I decolonise? couldn't you decolonise? couldn't he decolonise? couldn't we decolonise? couldn't you decolonise? couldn't they decolonise?
V-ing form
couldn't I be decolonising? couldn't you be decolonising? couldn't he be decolonising? couldn't we be decolonising? couldn't you be decolonising? couldn't they be decolonising?
Perfect
couldn't I have decolonised? couldn't you have decolonised? couldn't he have decolonised? couldn't we have decolonised? couldn't you have decolonised? couldn't they have decolonised?
V-ing perfect
couldn't I have been decolonising? couldn't you have been decolonising? couldn't he have been decolonising? couldn't we have been decolonising? couldn't you have been decolonising? couldn't they have been decolonising?