English verb conjugation
COULD REWORK

Regular verb: rework - reworked - reworked

Affirmation

Simple form	V-ing form
I could rework you could rework he could rework we could rework you could rework they could rework	I could be reworking you could be reworking he could be reworking we could be reworking you could be reworking they could be reworking
Perfect	V-ing perfect
I could have reworked you could have reworked he could have reworked we could have reworked you could have reworked they could have reworked	I could have been reworking you could have been reworking he could have been reworking we could have been reworking you could have been reworking they could have been reworking

Negation

Simple form	V-ing form
I could not rework you could not rework he could not rework we could not rework you could not rework they could not rework	I could not be reworking you could not be reworking he could not be reworking we could not be reworking you could not be reworking they could not be reworking
Perfect	V-ing perfect
I could not have reworked you could not have reworked he could not have reworked we could not have reworked you could not have reworked they could not have reworked	I could not have been reworking you could not have been reworking he could not have been reworking we could not have been reworking you could not have been reworking they could not have been reworking

Interrogative form

Simple form	V-ing form
could I rework? could you rework? could he rework? could we rework? could you rework? could they rework?	could I be reworking? could you be reworking? could he be reworking? could we be reworking? could you be reworking? could they be reworking?
Perfect	V-ing perfect
could I have reworked? could you have reworked? could he have reworked? could we have reworked? could you have reworked? could they have reworked?	could I have been reworking? could you have been reworking? could he have been reworking? could we have been reworking? could you have been reworking? could they have been reworking?

Interro-negative form

Simple form	V-ing form
could I not rework? could you not rework? could he not rework? could we not rework? could you not rework? could they not rework?	could I not be reworking? could you not be reworking? could he not be reworking? could we not be reworking? could you not be reworking? could they not be reworking?
Perfect	V-ing perfect
could I not have reworked? could you not have reworked? could he not have reworked? could we not have reworked? could you not have reworked? could they not have reworked?	could I not have been reworking? could you not have been reworking? could he not have been reworking? could we not have been reworking? could you not have been reworking? could they not have been reworking?