English verb conjugation
MUST KOSHER

Regular verb: kosher - koshered - koshered

Affirmation

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

Negation

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

Interrogative form

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

Interro-negative form

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