could unfix
Regular verb: unfix - unfixed- unfixed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could unfix
you could unfix
he could unfix
we could unfix
you could unfix
they could unfix 	I could be unfixing
you could be unfixing
he could be unfixing
we could be unfixing
you could be unfixing
they could be unfixing	I could have unfixed
you could have unfixed
he could have unfixed
we could have unfixed
you could have unfixed
they could have unfixed	I could have been unfixing
you could have been unfixing
he could have been unfixing
we could have been unfixing
you could have been unfixing
they could have been unfixing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could not unfix
you could not unfix
he could not unfix
we could not unfix
you could not unfix
they could not unfix 	I could not be unfixing
you could not be unfixing
he could not be unfixing
we could not be unfixing
you could not be unfixing
they could not be unfixing	I could not have unfixed
you could not have unfixed
he could not have unfixed
we could not have unfixed
you could not have unfixed
they could not have unfixed	I could not have been unfixing
you could not have been unfixing
he could not have been unfixing
we could not have been unfixing
you could not have been unfixing
they could not have been unfixing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I unfix?
could you unfix?
could he unfix?
could we unfix?
could you unfix?
could they unfix? 	could I be unfixing?
could you be unfixing?
could he be unfixing?
could we be unfixing?
could you be unfixing?
could they be unfixing? 	could I have unfixed?
could you have unfixed?
could he have unfixed?
could we have unfixed?
could you have unfixed?
could they have unfixed? 	could I have been unfixing?
could you have been unfixing?
could he have been unfixing?
could we have been unfixing?
could you have been unfixing?
could they have been unfixing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I not unfix?
could you not unfix?
could he not unfix?
could we not unfix?
could you not unfix?
could they not unfix? 	could I not be unfixing?
could you not be unfixing?
could he not be unfixing?
could we not be unfixing?
could you not be unfixing?
could they not be unfixing? 	could I not have unfixed?
could you not have unfixed?
could he not have unfixed?
could we not have unfixed?
could you not have unfixed?
could they not have unfixed? 	could I not have been unfixing?
could you not have been unfixing?
could he not have been unfixing?
could we not have been unfixing?
could you not have been unfixing?
could they not have been unfixing?