I could subordinate you could subordinate he could subordinate we could subordinate you could subordinate they could subordinate
V-ing form
I could be subordinating you could be subordinating he could be subordinating we could be subordinating you could be subordinating they could be subordinating
Perfect
I could have subordinated you could have subordinated he could have subordinated we could have subordinated you could have subordinated they could have subordinated
V-ing perfect
I could have been subordinating you could have been subordinating he could have been subordinating we could have been subordinating you could have been subordinating they could have been subordinating
Negation
Simple form
I could not subordinate you could not subordinate he could not subordinate we could not subordinate you could not subordinate they could not subordinate
V-ing form
I could not be subordinating you could not be subordinating he could not be subordinating we could not be subordinating you could not be subordinating they could not be subordinating
Perfect
I could not have subordinated you could not have subordinated he could not have subordinated we could not have subordinated you could not have subordinated they could not have subordinated
V-ing perfect
I could not have been subordinating you could not have been subordinating he could not have been subordinating we could not have been subordinating you could not have been subordinating they could not have been subordinating
Interrogative form
Simple form
could I subordinate? could you subordinate? could he subordinate? could we subordinate? could you subordinate? could they subordinate?
V-ing form
could I be subordinating? could you be subordinating? could he be subordinating? could we be subordinating? could you be subordinating? could they be subordinating?
Perfect
could I have subordinated? could you have subordinated? could he have subordinated? could we have subordinated? could you have subordinated? could they have subordinated?
V-ing perfect
could I have been subordinating? could you have been subordinating? could he have been subordinating? could we have been subordinating? could you have been subordinating? could they have been subordinating?
Interro-negative form
Simple form
could I not subordinate? could you not subordinate? could he not subordinate? could we not subordinate? could you not subordinate? could they not subordinate?
V-ing form
could I not be subordinating? could you not be subordinating? could he not be subordinating? could we not be subordinating? could you not be subordinating? could they not be subordinating?
Perfect
could I not have subordinated? could you not have subordinated? could he not have subordinated? could we not have subordinated? could you not have subordinated? could they not have subordinated?
V-ing perfect
could I not have been subordinating? could you not have been subordinating? could he not have been subordinating? could we not have been subordinating? could you not have been subordinating? could they not have been subordinating?