Warning, this verb may not exist. Conjugation is given as example.
Affirmation
Simple form
I could emrboider stitch you could emrboider stitch he could emrboider stitch we could emrboider stitch you could emrboider stitch they could emrboider stitch
V-ing form
I could be emrboider stitching you could be emrboider stitching he could be emrboider stitching we could be emrboider stitching you could be emrboider stitching they could be emrboider stitching
Perfect
I could have emrboider stitched you could have emrboider stitched he could have emrboider stitched we could have emrboider stitched you could have emrboider stitched they could have emrboider stitched
V-ing perfect
I could have been emrboider stitching you could have been emrboider stitching he could have been emrboider stitching we could have been emrboider stitching you could have been emrboider stitching they could have been emrboider stitching
Negation
Simple form
I couldn't emrboider stitch you couldn't emrboider stitch he couldn't emrboider stitch we couldn't emrboider stitch you couldn't emrboider stitch they couldn't emrboider stitch
V-ing form
I couldn't be emrboider stitching you couldn't be emrboider stitching he couldn't be emrboider stitching we couldn't be emrboider stitching you couldn't be emrboider stitching they couldn't be emrboider stitching
Perfect
I couldn't have emrboider stitched you couldn't have emrboider stitched he couldn't have emrboider stitched we couldn't have emrboider stitched you couldn't have emrboider stitched they couldn't have emrboider stitched
V-ing perfect
I couldn't have been emrboider stitching you couldn't have been emrboider stitching he couldn't have been emrboider stitching we couldn't have been emrboider stitching you couldn't have been emrboider stitching they couldn't have been emrboider stitching
Interrogative form
Simple form
could I emrboider stitch? could you emrboider stitch? could he emrboider stitch? could we emrboider stitch? could you emrboider stitch? could they emrboider stitch?
V-ing form
could I be emrboider stitching? could you be emrboider stitching? could he be emrboider stitching? could we be emrboider stitching? could you be emrboider stitching? could they be emrboider stitching?
Perfect
could I have emrboider stitched? could you have emrboider stitched? could he have emrboider stitched? could we have emrboider stitched? could you have emrboider stitched? could they have emrboider stitched?
V-ing perfect
could I have been emrboider stitching? could you have been emrboider stitching? could he have been emrboider stitching? could we have been emrboider stitching? could you have been emrboider stitching? could they have been emrboider stitching?
Interro-negative form
Simple form
couldn't I emrboider stitch? couldn't you emrboider stitch? couldn't he emrboider stitch? couldn't we emrboider stitch? couldn't you emrboider stitch? couldn't they emrboider stitch?
V-ing form
couldn't I be emrboider stitching? couldn't you be emrboider stitching? couldn't he be emrboider stitching? couldn't we be emrboider stitching? couldn't you be emrboider stitching? couldn't they be emrboider stitching?
Perfect
couldn't I have emrboider stitched? couldn't you have emrboider stitched? couldn't he have emrboider stitched? couldn't we have emrboider stitched? couldn't you have emrboider stitched? couldn't they have emrboider stitched?
V-ing perfect
couldn't I have been emrboider stitching? couldn't you have been emrboider stitching? couldn't he have been emrboider stitching? couldn't we have been emrboider stitching? couldn't you have been emrboider stitching? couldn't they have been emrboider stitching?