English verb conjugation
COULD SEW SEW

Regular verb: sew sew - sew sewed - sew sewed

Warning, this verb may not exist. Conjugation is given as example.

Affirmation

Simple form	V-ing form
I could sew sew you could sew sew he could sew sew we could sew sew you could sew sew they could sew sew	I could be sew sewing you could be sew sewing he could be sew sewing we could be sew sewing you could be sew sewing they could be sew sewing
Perfect	V-ing perfect
I could have sew sewed you could have sew sewed he could have sew sewed we could have sew sewed you could have sew sewed they could have sew sewed	I could have been sew sewing you could have been sew sewing he could have been sew sewing we could have been sew sewing you could have been sew sewing they could have been sew sewing

Negation

Simple form	V-ing form
I couldn't sew sew you couldn't sew sew he couldn't sew sew we couldn't sew sew you couldn't sew sew they couldn't sew sew	I couldn't be sew sewing you couldn't be sew sewing he couldn't be sew sewing we couldn't be sew sewing you couldn't be sew sewing they couldn't be sew sewing
Perfect	V-ing perfect
I couldn't have sew sewed you couldn't have sew sewed he couldn't have sew sewed we couldn't have sew sewed you couldn't have sew sewed they couldn't have sew sewed	I couldn't have been sew sewing you couldn't have been sew sewing he couldn't have been sew sewing we couldn't have been sew sewing you couldn't have been sew sewing they couldn't have been sew sewing

Interrogative form

Simple form	V-ing form
could I sew sew? could you sew sew? could he sew sew? could we sew sew? could you sew sew? could they sew sew?	could I be sew sewing? could you be sew sewing? could he be sew sewing? could we be sew sewing? could you be sew sewing? could they be sew sewing?
Perfect	V-ing perfect
could I have sew sewed? could you have sew sewed? could he have sew sewed? could we have sew sewed? could you have sew sewed? could they have sew sewed?	could I have been sew sewing? could you have been sew sewing? could he have been sew sewing? could we have been sew sewing? could you have been sew sewing? could they have been sew sewing?

Interro-negative form

Simple form	V-ing form
couldn't I sew sew? couldn't you sew sew? couldn't he sew sew? couldn't we sew sew? couldn't you sew sew? couldn't they sew sew?	couldn't I be sew sewing? couldn't you be sew sewing? couldn't he be sew sewing? couldn't we be sew sewing? couldn't you be sew sewing? couldn't they be sew sewing?
Perfect	V-ing perfect
couldn't I have sew sewed? couldn't you have sew sewed? couldn't he have sew sewed? couldn't we have sew sewed? couldn't you have sew sewed? couldn't they have sew sewed?	couldn't I have been sew sewing? couldn't you have been sew sewing? couldn't he have been sew sewing? couldn't we have been sew sewing? couldn't you have been sew sewing? couldn't they have been sew sewing?