could jinx
Regular verb: jinx - jinxed- jinxed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could jinx
you could jinx
he could jinx
we could jinx
you could jinx
they could jinx 	I could be jinxing
you could be jinxing
he could be jinxing
we could be jinxing
you could be jinxing
they could be jinxing	I could have jinxed
you could have jinxed
he could have jinxed
we could have jinxed
you could have jinxed
they could have jinxed	I could have been jinxing
you could have been jinxing
he could have been jinxing
we could have been jinxing
you could have been jinxing
they could have been jinxing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could not jinx
you could not jinx
he could not jinx
we could not jinx
you could not jinx
they could not jinx 	I could not be jinxing
you could not be jinxing
he could not be jinxing
we could not be jinxing
you could not be jinxing
they could not be jinxing	I could not have jinxed
you could not have jinxed
he could not have jinxed
we could not have jinxed
you could not have jinxed
they could not have jinxed	I could not have been jinxing
you could not have been jinxing
he could not have been jinxing
we could not have been jinxing
you could not have been jinxing
they could not have been jinxing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I jinx?
could you jinx?
could he jinx?
could we jinx?
could you jinx?
could they jinx? 	could I be jinxing?
could you be jinxing?
could he be jinxing?
could we be jinxing?
could you be jinxing?
could they be jinxing? 	could I have jinxed?
could you have jinxed?
could he have jinxed?
could we have jinxed?
could you have jinxed?
could they have jinxed? 	could I have been jinxing?
could you have been jinxing?
could he have been jinxing?
could we have been jinxing?
could you have been jinxing?
could they have been jinxing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I not jinx?
could you not jinx?
could he not jinx?
could we not jinx?
could you not jinx?
could they not jinx? 	could I not be jinxing?
could you not be jinxing?
could he not be jinxing?
could we not be jinxing?
could you not be jinxing?
could they not be jinxing? 	could I not have jinxed?
could you not have jinxed?
could he not have jinxed?
could we not have jinxed?
could you not have jinxed?
could they not have jinxed? 	could I not have been jinxing?
could you not have been jinxing?
could he not have been jinxing?
could we not have been jinxing?
could you not have been jinxing?
could they not have been jinxing?