English verb conjugation
COULD DEROGATE

Regular verb: derogate - derogated - derogated

Affirmation

Simple form	V-ing form
I could derogate you could derogate he could derogate we could derogate you could derogate they could derogate	I could be derogating you could be derogating he could be derogating we could be derogating you could be derogating they could be derogating
Perfect	V-ing perfect
I could have derogated you could have derogated he could have derogated we could have derogated you could have derogated they could have derogated	I could have been derogating you could have been derogating he could have been derogating we could have been derogating you could have been derogating they could have been derogating

Negation

Simple form	V-ing form
I could not derogate you could not derogate he could not derogate we could not derogate you could not derogate they could not derogate	I could not be derogating you could not be derogating he could not be derogating we could not be derogating you could not be derogating they could not be derogating
Perfect	V-ing perfect
I could not have derogated you could not have derogated he could not have derogated we could not have derogated you could not have derogated they could not have derogated	I could not have been derogating you could not have been derogating he could not have been derogating we could not have been derogating you could not have been derogating they could not have been derogating

Interrogative form

Simple form	V-ing form
could I derogate? could you derogate? could he derogate? could we derogate? could you derogate? could they derogate?	could I be derogating? could you be derogating? could he be derogating? could we be derogating? could you be derogating? could they be derogating?
Perfect	V-ing perfect
could I have derogated? could you have derogated? could he have derogated? could we have derogated? could you have derogated? could they have derogated?	could I have been derogating? could you have been derogating? could he have been derogating? could we have been derogating? could you have been derogating? could they have been derogating?

Interro-negative form

Simple form	V-ing form
could I not derogate? could you not derogate? could he not derogate? could we not derogate? could you not derogate? could they not derogate?	could I not be derogating? could you not be derogating? could he not be derogating? could we not be derogating? could you not be derogating? could they not be derogating?
Perfect	V-ing perfect
could I not have derogated? could you not have derogated? could he not have derogated? could we not have derogated? could you not have derogated? could they not have derogated?	could I not have been derogating? could you not have been derogating? could he not have been derogating? could we not have been derogating? could you not have been derogating? could they not have been derogating?