English verb conjugation
MUST ASSAY

Regular verb: assay - assayed - assayed

Affirmation

Simple form	V-ing form
I must assay you must assay he must assay we must assay you must assay they must assay	I must be assaying you must be assaying he must be assaying we must be assaying you must be assaying they must be assaying
Perfect	V-ing perfect
I must have assayed you must have assayed he must have assayed we must have assayed you must have assayed they must have assayed	I must have been assaying you must have been assaying he must have been assaying we must have been assaying you must have been assaying they must have been assaying

Negation

Simple form	V-ing form
I mustn't assay you mustn't assay he mustn't assay we mustn't assay you mustn't assay they mustn't assay	I mustn't be assaying you mustn't be assaying he mustn't be assaying we mustn't be assaying you mustn't be assaying they mustn't be assaying
Perfect	V-ing perfect
I mustn't have assayed you mustn't have assayed he mustn't have assayed we mustn't have assayed you mustn't have assayed they mustn't have assayed	I mustn't have been assaying you mustn't have been assaying he mustn't have been assaying we mustn't have been assaying you mustn't have been assaying they mustn't have been assaying

Interrogative form

Simple form	V-ing form
must I assay? must you assay? must he assay? must we assay? must you assay? must they assay?	must I be assaying? must you be assaying? must he be assaying? must we be assaying? must you be assaying? must they be assaying?
Perfect	V-ing perfect
must I have assayed? must you have assayed? must he have assayed? must we have assayed? must you have assayed? must they have assayed?	must I have been assaying? must you have been assaying? must he have been assaying? must we have been assaying? must you have been assaying? must they have been assaying?

Interro-negative form

Simple form	V-ing form
mustn't I assay? mustn't you assay? mustn't he assay? mustn't we assay? mustn't you assay? mustn't they assay?	mustn't I be assaying? mustn't you be assaying? mustn't he be assaying? mustn't we be assaying? mustn't you be assaying? mustn't they be assaying?
Perfect	V-ing perfect
mustn't I have assayed? mustn't you have assayed? mustn't he have assayed? mustn't we have assayed? mustn't you have assayed? mustn't they have assayed?	mustn't I have been assaying? mustn't you have been assaying? mustn't he have been assaying? mustn't we have been assaying? mustn't you have been assaying? mustn't they have been assaying?