English verb conjugation
COULD KOSHER

Regular verb: kosher - koshered - koshered

Affirmation

Simple form	V-ing form
I could kosher you could kosher he could kosher we could kosher you could kosher they could kosher	I could be koshering you could be koshering he could be koshering we could be koshering you could be koshering they could be koshering
Perfect	V-ing perfect
I could have koshered you could have koshered he could have koshered we could have koshered you could have koshered they could have koshered	I could have been koshering you could have been koshering he could have been koshering we could have been koshering you could have been koshering they could have been koshering

Negation

Simple form	V-ing form
I could not kosher you could not kosher he could not kosher we could not kosher you could not kosher they could not kosher	I could not be koshering you could not be koshering he could not be koshering we could not be koshering you could not be koshering they could not be koshering
Perfect	V-ing perfect
I could not have koshered you could not have koshered he could not have koshered we could not have koshered you could not have koshered they could not have koshered	I could not have been koshering you could not have been koshering he could not have been koshering we could not have been koshering you could not have been koshering they could not have been koshering

Interrogative form

Simple form	V-ing form
could I kosher? could you kosher? could he kosher? could we kosher? could you kosher? could they kosher?	could I be koshering? could you be koshering? could he be koshering? could we be koshering? could you be koshering? could they be koshering?
Perfect	V-ing perfect
could I have koshered? could you have koshered? could he have koshered? could we have koshered? could you have koshered? could they have koshered?	could I have been koshering? could you have been koshering? could he have been koshering? could we have been koshering? could you have been koshering? could they have been koshering?

Interro-negative form

Simple form	V-ing form
could I not kosher? could you not kosher? could he not kosher? could we not kosher? could you not kosher? could they not kosher?	could I not be koshering? could you not be koshering? could he not be koshering? could we not be koshering? could you not be koshering? could they not be koshering?
Perfect	V-ing perfect
could I not have koshered? could you not have koshered? could he not have koshered? could we not have koshered? could you not have koshered? could they not have koshered?	could I not have been koshering? could you not have been koshering? could he not have been koshering? could we not have been koshering? could you not have been koshering? could they not have been koshering?