English verb conjugation
MUST PROLONGATE

Regular verb: prolongate - prolongated - prolongated

Affirmation

Simple form	V-ing form
I must prolongate you must prolongate he must prolongate we must prolongate you must prolongate they must prolongate	I must be prolongating you must be prolongating he must be prolongating we must be prolongating you must be prolongating they must be prolongating
Perfect	V-ing perfect
I must have prolongated you must have prolongated he must have prolongated we must have prolongated you must have prolongated they must have prolongated	I must have been prolongating you must have been prolongating he must have been prolongating we must have been prolongating you must have been prolongating they must have been prolongating

Negation

Simple form	V-ing form
I mustn't prolongate you mustn't prolongate he mustn't prolongate we mustn't prolongate you mustn't prolongate they mustn't prolongate	I mustn't be prolongating you mustn't be prolongating he mustn't be prolongating we mustn't be prolongating you mustn't be prolongating they mustn't be prolongating
Perfect	V-ing perfect
I mustn't have prolongated you mustn't have prolongated he mustn't have prolongated we mustn't have prolongated you mustn't have prolongated they mustn't have prolongated	I mustn't have been prolongating you mustn't have been prolongating he mustn't have been prolongating we mustn't have been prolongating you mustn't have been prolongating they mustn't have been prolongating

Interrogative form

Simple form	V-ing form
must I prolongate? must you prolongate? must he prolongate? must we prolongate? must you prolongate? must they prolongate?	must I be prolongating? must you be prolongating? must he be prolongating? must we be prolongating? must you be prolongating? must they be prolongating?
Perfect	V-ing perfect
must I have prolongated? must you have prolongated? must he have prolongated? must we have prolongated? must you have prolongated? must they have prolongated?	must I have been prolongating? must you have been prolongating? must he have been prolongating? must we have been prolongating? must you have been prolongating? must they have been prolongating?

Interro-negative form

Simple form	V-ing form
mustn't I prolongate? mustn't you prolongate? mustn't he prolongate? mustn't we prolongate? mustn't you prolongate? mustn't they prolongate?	mustn't I be prolongating? mustn't you be prolongating? mustn't he be prolongating? mustn't we be prolongating? mustn't you be prolongating? mustn't they be prolongating?
Perfect	V-ing perfect
mustn't I have prolongated? mustn't you have prolongated? mustn't he have prolongated? mustn't we have prolongated? mustn't you have prolongated? mustn't they have prolongated?	mustn't I have been prolongating? mustn't you have been prolongating? mustn't he have been prolongating? mustn't we have been prolongating? mustn't you have been prolongating? mustn't they have been prolongating?