I could abrogate you could abrogate she could abrogate we could abrogate you could abrogate they could abrogate
V-ing form
I could be abrogating you could be abrogating she could be abrogating we could be abrogating you could be abrogating they could be abrogating
Perfect
I could have abrogated you could have abrogated she could have abrogated we could have abrogated you could have abrogated they could have abrogated
V-ing perfect
I could have been abrogating you could have been abrogating she could have been abrogating we could have been abrogating you could have been abrogating they could have been abrogating
Negation
Simple form
I could not abrogate you could not abrogate she could not abrogate we could not abrogate you could not abrogate they could not abrogate
V-ing form
I could not be abrogating you could not be abrogating she could not be abrogating we could not be abrogating you could not be abrogating they could not be abrogating
Perfect
I could not have abrogated you could not have abrogated she could not have abrogated we could not have abrogated you could not have abrogated they could not have abrogated
V-ing perfect
I could not have been abrogating you could not have been abrogating she could not have been abrogating we could not have been abrogating you could not have been abrogating they could not have been abrogating
Interrogative form
Simple form
could I abrogate? could you abrogate? could she abrogate? could we abrogate? could you abrogate? could they abrogate?
V-ing form
could I be abrogating? could you be abrogating? could she be abrogating? could we be abrogating? could you be abrogating? could they be abrogating?
Perfect
could I have abrogated? could you have abrogated? could she have abrogated? could we have abrogated? could you have abrogated? could they have abrogated?
V-ing perfect
could I have been abrogating? could you have been abrogating? could she have been abrogating? could we have been abrogating? could you have been abrogating? could they have been abrogating?
Interro-negative form
Simple form
could I not abrogate? could you not abrogate? could she not abrogate? could we not abrogate? could you not abrogate? could they not abrogate?
V-ing form
could I not be abrogating? could you not be abrogating? could she not be abrogating? could we not be abrogating? could you not be abrogating? could they not be abrogating?
Perfect
could I not have abrogated? could you not have abrogated? could she not have abrogated? could we not have abrogated? could you not have abrogated? could they not have abrogated?
V-ing perfect
could I not have been abrogating? could you not have been abrogating? could she not have been abrogating? could we not have been abrogating? could you not have been abrogating? could they not have been abrogating?