English verb conjugation
MUST HAY

Regular verb: hay - hayed - hayed

Affirmation

Simple form	V-ing form
I must hay you must hay he must hay we must hay you must hay they must hay	I must be haying you must be haying he must be haying we must be haying you must be haying they must be haying
Perfect	V-ing perfect
I must have hayed you must have hayed he must have hayed we must have hayed you must have hayed they must have hayed	I must have been haying you must have been haying he must have been haying we must have been haying you must have been haying they must have been haying

Negation

Simple form	V-ing form
I must not hay you must not hay he must not hay we must not hay you must not hay they must not hay	I must not be haying you must not be haying he must not be haying we must not be haying you must not be haying they must not be haying
Perfect	V-ing perfect
I must not have hayed you must not have hayed he must not have hayed we must not have hayed you must not have hayed they must not have hayed	I must not have been haying you must not have been haying he must not have been haying we must not have been haying you must not have been haying they must not have been haying

Interrogative form

Simple form	V-ing form
must I hay? must you hay? must he hay? must we hay? must you hay? must they hay?	must I be haying? must you be haying? must he be haying? must we be haying? must you be haying? must they be haying?
Perfect	V-ing perfect
must I have hayed? must you have hayed? must he have hayed? must we have hayed? must you have hayed? must they have hayed?	must I have been haying? must you have been haying? must he have been haying? must we have been haying? must you have been haying? must they have been haying?

Interro-negative form

Simple form	V-ing form
must I not hay? must you not hay? must he not hay? must we not hay? must you not hay? must they not hay?	must I not be haying? must you not be haying? must he not be haying? must we not be haying? must you not be haying? must they not be haying?
Perfect	V-ing perfect
must I not have hayed? must you not have hayed? must he not have hayed? must we not have hayed? must you not have hayed? must they not have hayed?	must I not have been haying? must you not have been haying? must he not have been haying? must we not have been haying? must you not have been haying? must they not have been haying?