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