English verb conjugation
COULD QUILT

Regular verb: quilt - quilted - quilted

Affirmation

Simple form	V-ing form
I could quilt you could quilt he could quilt we could quilt you could quilt they could quilt	I could be quilting you could be quilting he could be quilting we could be quilting you could be quilting they could be quilting
Perfect	V-ing perfect
I could have quilted you could have quilted he could have quilted we could have quilted you could have quilted they could have quilted	I could have been quilting you could have been quilting he could have been quilting we could have been quilting you could have been quilting they could have been quilting

Negation

Simple form	V-ing form
I couldn't quilt you couldn't quilt he couldn't quilt we couldn't quilt you couldn't quilt they couldn't quilt	I couldn't be quilting you couldn't be quilting he couldn't be quilting we couldn't be quilting you couldn't be quilting they couldn't be quilting
Perfect	V-ing perfect
I couldn't have quilted you couldn't have quilted he couldn't have quilted we couldn't have quilted you couldn't have quilted they couldn't have quilted	I couldn't have been quilting you couldn't have been quilting he couldn't have been quilting we couldn't have been quilting you couldn't have been quilting they couldn't have been quilting

Interrogative form

Simple form	V-ing form
could I quilt? could you quilt? could he quilt? could we quilt? could you quilt? could they quilt?	could I be quilting? could you be quilting? could he be quilting? could we be quilting? could you be quilting? could they be quilting?
Perfect	V-ing perfect
could I have quilted? could you have quilted? could he have quilted? could we have quilted? could you have quilted? could they have quilted?	could I have been quilting? could you have been quilting? could he have been quilting? could we have been quilting? could you have been quilting? could they have been quilting?

Interro-negative form

Simple form	V-ing form
couldn't I quilt? couldn't you quilt? couldn't he quilt? couldn't we quilt? couldn't you quilt? couldn't they quilt?	couldn't I be quilting? couldn't you be quilting? couldn't he be quilting? couldn't we be quilting? couldn't you be quilting? couldn't they be quilting?
Perfect	V-ing perfect
couldn't I have quilted? couldn't you have quilted? couldn't he have quilted? couldn't we have quilted? couldn't you have quilted? couldn't they have quilted?	couldn't I have been quilting? couldn't you have been quilting? couldn't he have been quilting? couldn't we have been quilting? couldn't you have been quilting? couldn't they have been quilting?