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