I could hachure you could hachure he could hachure we could hachure you could hachure they could hachure
V-ing form
I could be hachuring you could be hachuring he could be hachuring we could be hachuring you could be hachuring they could be hachuring
Perfect
I could have hachured you could have hachured he could have hachured we could have hachured you could have hachured they could have hachured
V-ing perfect
I could have been hachuring you could have been hachuring he could have been hachuring we could have been hachuring you could have been hachuring they could have been hachuring
Negation
Simple form
I could not hachure you could not hachure he could not hachure we could not hachure you could not hachure they could not hachure
V-ing form
I could not be hachuring you could not be hachuring he could not be hachuring we could not be hachuring you could not be hachuring they could not be hachuring
Perfect
I could not have hachured you could not have hachured he could not have hachured we could not have hachured you could not have hachured they could not have hachured
V-ing perfect
I could not have been hachuring you could not have been hachuring he could not have been hachuring we could not have been hachuring you could not have been hachuring they could not have been hachuring
Interrogative form
Simple form
could I hachure? could you hachure? could he hachure? could we hachure? could you hachure? could they hachure?
V-ing form
could I be hachuring? could you be hachuring? could he be hachuring? could we be hachuring? could you be hachuring? could they be hachuring?
Perfect
could I have hachured? could you have hachured? could he have hachured? could we have hachured? could you have hachured? could they have hachured?
V-ing perfect
could I have been hachuring? could you have been hachuring? could he have been hachuring? could we have been hachuring? could you have been hachuring? could they have been hachuring?
Interro-negative form
Simple form
could I not hachure? could you not hachure? could he not hachure? could we not hachure? could you not hachure? could they not hachure?
V-ing form
could I not be hachuring? could you not be hachuring? could he not be hachuring? could we not be hachuring? could you not be hachuring? could they not be hachuring?
Perfect
could I not have hachured? could you not have hachured? could he not have hachured? could we not have hachured? could you not have hachured? could they not have hachured?
V-ing perfect
could I not have been hachuring? could you not have been hachuring? could he not have been hachuring? could we not have been hachuring? could you not have been hachuring? could they not have been hachuring?