English verb conjugation
MUST HAY

Regular verb: hay - hayed - hayed

Affirmation

Simple form	V-ing form
I must hay you must hay she must hay we must hay you must hay they must hay	I must be haying you must be haying she 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 she 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 she 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 she 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 she 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 she 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 she 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 she hay? must we hay? must you hay? must they hay?	must I be haying? must you be haying? must she 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 she 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 she 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 she 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 she 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 she 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 she have been haying? mustn't we have been haying? mustn't you have been haying? mustn't they have been haying?