could rework
Regular verb: rework - reworked- reworked

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