I could feudalize you could feudalize she could feudalize we could feudalize you could feudalize they could feudalize
V-ing form
I could be feudalizing you could be feudalizing she could be feudalizing we could be feudalizing you could be feudalizing they could be feudalizing
Perfect
I could have feudalized you could have feudalized she could have feudalized we could have feudalized you could have feudalized they could have feudalized
V-ing perfect
I could have been feudalizing you could have been feudalizing she could have been feudalizing we could have been feudalizing you could have been feudalizing they could have been feudalizing
Negation
Simple form
I couldn't feudalize you couldn't feudalize she couldn't feudalize we couldn't feudalize you couldn't feudalize they couldn't feudalize
V-ing form
I couldn't be feudalizing you couldn't be feudalizing she couldn't be feudalizing we couldn't be feudalizing you couldn't be feudalizing they couldn't be feudalizing
Perfect
I couldn't have feudalized you couldn't have feudalized she couldn't have feudalized we couldn't have feudalized you couldn't have feudalized they couldn't have feudalized
V-ing perfect
I couldn't have been feudalizing you couldn't have been feudalizing she couldn't have been feudalizing we couldn't have been feudalizing you couldn't have been feudalizing they couldn't have been feudalizing
Interrogative form
Simple form
could I feudalize? could you feudalize? could she feudalize? could we feudalize? could you feudalize? could they feudalize?
V-ing form
could I be feudalizing? could you be feudalizing? could she be feudalizing? could we be feudalizing? could you be feudalizing? could they be feudalizing?
Perfect
could I have feudalized? could you have feudalized? could she have feudalized? could we have feudalized? could you have feudalized? could they have feudalized?
V-ing perfect
could I have been feudalizing? could you have been feudalizing? could she have been feudalizing? could we have been feudalizing? could you have been feudalizing? could they have been feudalizing?
Interro-negative form
Simple form
couldn't I feudalize? couldn't you feudalize? couldn't she feudalize? couldn't we feudalize? couldn't you feudalize? couldn't they feudalize?
V-ing form
couldn't I be feudalizing? couldn't you be feudalizing? couldn't she be feudalizing? couldn't we be feudalizing? couldn't you be feudalizing? couldn't they be feudalizing?
Perfect
couldn't I have feudalized? couldn't you have feudalized? couldn't she have feudalized? couldn't we have feudalized? couldn't you have feudalized? couldn't they have feudalized?
V-ing perfect
couldn't I have been feudalizing? couldn't you have been feudalizing? couldn't she have been feudalizing? couldn't we have been feudalizing? couldn't you have been feudalizing? couldn't they have been feudalizing?