I could jinx you could jinx he could jinx we could jinx you could jinx they could jinx
V-ing form
I could be jinxing you could be jinxing he could be jinxing we could be jinxing you could be jinxing they could be jinxing
Perfect
I could have jinxed you could have jinxed he could have jinxed we could have jinxed you could have jinxed they could have jinxed
V-ing perfect
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
I couldn't jinx you couldn't jinx he couldn't jinx we couldn't jinx you couldn't jinx they couldn't jinx
V-ing form
I couldn't be jinxing you couldn't be jinxing he couldn't be jinxing we couldn't be jinxing you couldn't be jinxing they couldn't be jinxing
Perfect
I couldn't have jinxed you couldn't have jinxed he couldn't have jinxed we couldn't have jinxed you couldn't have jinxed they couldn't have jinxed
V-ing perfect
I couldn't have been jinxing you couldn't have been jinxing he couldn't have been jinxing we couldn't have been jinxing you couldn't have been jinxing they couldn't have been jinxing
Interrogative form
Simple form
could I jinx? could you jinx? could he jinx? could we jinx? could you jinx? could they jinx?
V-ing form
could I be jinxing? could you be jinxing? could he be jinxing? could we be jinxing? could you be jinxing? could they be jinxing?
Perfect
could I have jinxed? could you have jinxed? could he have jinxed? could we have jinxed? could you have jinxed? could they have jinxed?
V-ing perfect
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
couldn't I jinx? couldn't you jinx? couldn't he jinx? couldn't we jinx? couldn't you jinx? couldn't they jinx?
V-ing form
couldn't I be jinxing? couldn't you be jinxing? couldn't he be jinxing? couldn't we be jinxing? couldn't you be jinxing? couldn't they be jinxing?
Perfect
couldn't I have jinxed? couldn't you have jinxed? couldn't he have jinxed? couldn't we have jinxed? couldn't you have jinxed? couldn't they have jinxed?
V-ing perfect
couldn't I have been jinxing? couldn't you have been jinxing? couldn't he have been jinxing? couldn't we have been jinxing? couldn't you have been jinxing? couldn't they have been jinxing?