English verb conjugation
COULD DOUBLE-KNIT

Regular verb: double-knit - double-knited - double-knited

Affirmation

Simple form	V-ing form
I could double-knit you could double-knit he could double-knit we could double-knit you could double-knit they could double-knit	I could be double-kniting you could be double-kniting he could be double-kniting we could be double-kniting you could be double-kniting they could be double-kniting
Perfect	V-ing perfect
I could have double-knited you could have double-knited he could have double-knited we could have double-knited you could have double-knited they could have double-knited	I could have been double-kniting you could have been double-kniting he could have been double-kniting we could have been double-kniting you could have been double-kniting they could have been double-kniting

Negation

Simple form	V-ing form
I couldn't double-knit you couldn't double-knit he couldn't double-knit we couldn't double-knit you couldn't double-knit they couldn't double-knit	I couldn't be double-kniting you couldn't be double-kniting he couldn't be double-kniting we couldn't be double-kniting you couldn't be double-kniting they couldn't be double-kniting
Perfect	V-ing perfect
I couldn't have double-knited you couldn't have double-knited he couldn't have double-knited we couldn't have double-knited you couldn't have double-knited they couldn't have double-knited	I couldn't have been double-kniting you couldn't have been double-kniting he couldn't have been double-kniting we couldn't have been double-kniting you couldn't have been double-kniting they couldn't have been double-kniting

Interrogative form

Simple form	V-ing form
could I double-knit? could you double-knit? could he double-knit? could we double-knit? could you double-knit? could they double-knit?	could I be double-kniting? could you be double-kniting? could he be double-kniting? could we be double-kniting? could you be double-kniting? could they be double-kniting?
Perfect	V-ing perfect
could I have double-knited? could you have double-knited? could he have double-knited? could we have double-knited? could you have double-knited? could they have double-knited?	could I have been double-kniting? could you have been double-kniting? could he have been double-kniting? could we have been double-kniting? could you have been double-kniting? could they have been double-kniting?

Interro-negative form

Simple form	V-ing form
couldn't I double-knit? couldn't you double-knit? couldn't he double-knit? couldn't we double-knit? couldn't you double-knit? couldn't they double-knit?	couldn't I be double-kniting? couldn't you be double-kniting? couldn't he be double-kniting? couldn't we be double-kniting? couldn't you be double-kniting? couldn't they be double-kniting?
Perfect	V-ing perfect
couldn't I have double-knited? couldn't you have double-knited? couldn't he have double-knited? couldn't we have double-knited? couldn't you have double-knited? couldn't they have double-knited?	couldn't I have been double-kniting? couldn't you have been double-kniting? couldn't he have been double-kniting? couldn't we have been double-kniting? couldn't you have been double-kniting? couldn't they have been double-kniting?