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