English verb conjugation
MUST ACETIFY

Regular verb: acetify - acetified - acetified

Affirmation

Simple form	V-ing form
I must acetify you must acetify he must acetify we must acetify you must acetify they must acetify	I must be acetifying you must be acetifying he must be acetifying we must be acetifying you must be acetifying they must be acetifying
Perfect	V-ing perfect
I must have acetified you must have acetified he must have acetified we must have acetified you must have acetified they must have acetified	I must have been acetifying you must have been acetifying he must have been acetifying we must have been acetifying you must have been acetifying they must have been acetifying

Negation

Simple form	V-ing form
I mustn't acetify you mustn't acetify he mustn't acetify we mustn't acetify you mustn't acetify they mustn't acetify	I mustn't be acetifying you mustn't be acetifying he mustn't be acetifying we mustn't be acetifying you mustn't be acetifying they mustn't be acetifying
Perfect	V-ing perfect
I mustn't have acetified you mustn't have acetified he mustn't have acetified we mustn't have acetified you mustn't have acetified they mustn't have acetified	I mustn't have been acetifying you mustn't have been acetifying he mustn't have been acetifying we mustn't have been acetifying you mustn't have been acetifying they mustn't have been acetifying

Interrogative form

Simple form	V-ing form
must I acetify? must you acetify? must he acetify? must we acetify? must you acetify? must they acetify?	must I be acetifying? must you be acetifying? must he be acetifying? must we be acetifying? must you be acetifying? must they be acetifying?
Perfect	V-ing perfect
must I have acetified? must you have acetified? must he have acetified? must we have acetified? must you have acetified? must they have acetified?	must I have been acetifying? must you have been acetifying? must he have been acetifying? must we have been acetifying? must you have been acetifying? must they have been acetifying?

Interro-negative form

Simple form	V-ing form
mustn't I acetify? mustn't you acetify? mustn't he acetify? mustn't we acetify? mustn't you acetify? mustn't they acetify?	mustn't I be acetifying? mustn't you be acetifying? mustn't he be acetifying? mustn't we be acetifying? mustn't you be acetifying? mustn't they be acetifying?
Perfect	V-ing perfect
mustn't I have acetified? mustn't you have acetified? mustn't he have acetified? mustn't we have acetified? mustn't you have acetified? mustn't they have acetified?	mustn't I have been acetifying? mustn't you have been acetifying? mustn't he have been acetifying? mustn't we have been acetifying? mustn't you have been acetifying? mustn't they have been acetifying?