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 mustn't hay you mustn't hay he mustn't hay we mustn't hay you mustn't hay they mustn't hay	I mustn't be haying you mustn't be haying he mustn't be haying we mustn't be haying you mustn't be haying they mustn't be haying
Perfect	V-ing perfect
I mustn't have hayed you mustn't have hayed he mustn't have hayed we mustn't have hayed you mustn't have hayed they mustn't have hayed	I mustn't have been haying you mustn't have been haying he mustn't have been haying we mustn't have been haying you mustn't have been haying they mustn't 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
mustn't I hay? mustn't you hay? mustn't he hay? mustn't we hay? mustn't you hay? mustn't they hay?	mustn't I be haying? mustn't you be haying? mustn't he be haying? mustn't we be haying? mustn't you be haying? mustn't they be haying?
Perfect	V-ing perfect
mustn't I have hayed? mustn't you have hayed? mustn't he have hayed? mustn't we have hayed? mustn't you have hayed? mustn't they have hayed?	mustn't I have been haying? mustn't you have been haying? mustn't he have been haying? mustn't we have been haying? mustn't you have been haying? mustn't they have been haying?