I could hatch you could hatch he could hatch we could hatch you could hatch they could hatch
V-ing form
I could be hatching you could be hatching he could be hatching we could be hatching you could be hatching they could be hatching
Perfect
I could have hatched you could have hatched he could have hatched we could have hatched you could have hatched they could have hatched
V-ing perfect
I could have been hatching you could have been hatching he could have been hatching we could have been hatching you could have been hatching they could have been hatching
Negation
Simple form
I could not hatch you could not hatch he could not hatch we could not hatch you could not hatch they could not hatch
V-ing form
I could not be hatching you could not be hatching he could not be hatching we could not be hatching you could not be hatching they could not be hatching
Perfect
I could not have hatched you could not have hatched he could not have hatched we could not have hatched you could not have hatched they could not have hatched
V-ing perfect
I could not have been hatching you could not have been hatching he could not have been hatching we could not have been hatching you could not have been hatching they could not have been hatching
Interrogative form
Simple form
could I hatch? could you hatch? could he hatch? could we hatch? could you hatch? could they hatch?
V-ing form
could I be hatching? could you be hatching? could he be hatching? could we be hatching? could you be hatching? could they be hatching?
Perfect
could I have hatched? could you have hatched? could he have hatched? could we have hatched? could you have hatched? could they have hatched?
V-ing perfect
could I have been hatching? could you have been hatching? could he have been hatching? could we have been hatching? could you have been hatching? could they have been hatching?
Interro-negative form
Simple form
could I not hatch? could you not hatch? could he not hatch? could we not hatch? could you not hatch? could they not hatch?
V-ing form
could I not be hatching? could you not be hatching? could he not be hatching? could we not be hatching? could you not be hatching? could they not be hatching?
Perfect
could I not have hatched? could you not have hatched? could he not have hatched? could we not have hatched? could you not have hatched? could they not have hatched?
V-ing perfect
could I not have been hatching? could you not have been hatching? could he not have been hatching? could we not have been hatching? could you not have been hatching? could they not have been hatching?