I could revolutionise you could revolutionise she could revolutionise we could revolutionise you could revolutionise they could revolutionise
V-ing form
I could be revolutionising you could be revolutionising she could be revolutionising we could be revolutionising you could be revolutionising they could be revolutionising
Perfect
I could have revolutionised you could have revolutionised she 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 she 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 she 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 she 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 she 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 she 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 she revolutionise? could we revolutionise? could you revolutionise? could they revolutionise?
V-ing form
could I be revolutionising? could you be revolutionising? could she be revolutionising? could we be revolutionising? could you be revolutionising? could they be revolutionising?
Perfect
could I have revolutionised? could you have revolutionised? could she 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 she 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 she 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 she 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 she 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 she have been revolutionising? couldn't we have been revolutionising? couldn't you have been revolutionising? couldn't they have been revolutionising?