English verb conjugation
COULD OVERWIND

Regular verb: overwind - overwinded - overwinded

Affirmation

Simple form	V-ing form
I could overwind you could overwind he could overwind we could overwind you could overwind they could overwind	I could be overwinding you could be overwinding he could be overwinding we could be overwinding you could be overwinding they could be overwinding
Perfect	V-ing perfect
I could have overwinded you could have overwinded he could have overwinded we could have overwinded you could have overwinded they could have overwinded	I could have been overwinding you could have been overwinding he could have been overwinding we could have been overwinding you could have been overwinding they could have been overwinding

Negation

Simple form	V-ing form
I couldn't overwind you couldn't overwind he couldn't overwind we couldn't overwind you couldn't overwind they couldn't overwind	I couldn't be overwinding you couldn't be overwinding he couldn't be overwinding we couldn't be overwinding you couldn't be overwinding they couldn't be overwinding
Perfect	V-ing perfect
I couldn't have overwinded you couldn't have overwinded he couldn't have overwinded we couldn't have overwinded you couldn't have overwinded they couldn't have overwinded	I couldn't have been overwinding you couldn't have been overwinding he couldn't have been overwinding we couldn't have been overwinding you couldn't have been overwinding they couldn't have been overwinding

Interrogative form

Simple form	V-ing form
could I overwind? could you overwind? could he overwind? could we overwind? could you overwind? could they overwind?	could I be overwinding? could you be overwinding? could he be overwinding? could we be overwinding? could you be overwinding? could they be overwinding?
Perfect	V-ing perfect
could I have overwinded? could you have overwinded? could he have overwinded? could we have overwinded? could you have overwinded? could they have overwinded?	could I have been overwinding? could you have been overwinding? could he have been overwinding? could we have been overwinding? could you have been overwinding? could they have been overwinding?

Interro-negative form

Simple form	V-ing form
couldn't I overwind? couldn't you overwind? couldn't he overwind? couldn't we overwind? couldn't you overwind? couldn't they overwind?	couldn't I be overwinding? couldn't you be overwinding? couldn't he be overwinding? couldn't we be overwinding? couldn't you be overwinding? couldn't they be overwinding?
Perfect	V-ing perfect
couldn't I have overwinded? couldn't you have overwinded? couldn't he have overwinded? couldn't we have overwinded? couldn't you have overwinded? couldn't they have overwinded?	couldn't I have been overwinding? couldn't you have been overwinding? couldn't he have been overwinding? couldn't we have been overwinding? couldn't you have been overwinding? couldn't they have been overwinding?