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