English verb conjugation
MUST FIBRILLATE

Regular verb: fibrillate - fibrillated - fibrillated

Affirmation

Simple form	V-ing form
I must fibrillate you must fibrillate he must fibrillate we must fibrillate you must fibrillate they must fibrillate	I must be fibrillating you must be fibrillating he must be fibrillating we must be fibrillating you must be fibrillating they must be fibrillating
Perfect	V-ing perfect
I must have fibrillated you must have fibrillated he must have fibrillated we must have fibrillated you must have fibrillated they must have fibrillated	I must have been fibrillating you must have been fibrillating he must have been fibrillating we must have been fibrillating you must have been fibrillating they must have been fibrillating

Negation

Simple form	V-ing form
I mustn't fibrillate you mustn't fibrillate he mustn't fibrillate we mustn't fibrillate you mustn't fibrillate they mustn't fibrillate	I mustn't be fibrillating you mustn't be fibrillating he mustn't be fibrillating we mustn't be fibrillating you mustn't be fibrillating they mustn't be fibrillating
Perfect	V-ing perfect
I mustn't have fibrillated you mustn't have fibrillated he mustn't have fibrillated we mustn't have fibrillated you mustn't have fibrillated they mustn't have fibrillated	I mustn't have been fibrillating you mustn't have been fibrillating he mustn't have been fibrillating we mustn't have been fibrillating you mustn't have been fibrillating they mustn't have been fibrillating

Interrogative form

Simple form	V-ing form
must I fibrillate? must you fibrillate? must he fibrillate? must we fibrillate? must you fibrillate? must they fibrillate?	must I be fibrillating? must you be fibrillating? must he be fibrillating? must we be fibrillating? must you be fibrillating? must they be fibrillating?
Perfect	V-ing perfect
must I have fibrillated? must you have fibrillated? must he have fibrillated? must we have fibrillated? must you have fibrillated? must they have fibrillated?	must I have been fibrillating? must you have been fibrillating? must he have been fibrillating? must we have been fibrillating? must you have been fibrillating? must they have been fibrillating?

Interro-negative form

Simple form	V-ing form
mustn't I fibrillate? mustn't you fibrillate? mustn't he fibrillate? mustn't we fibrillate? mustn't you fibrillate? mustn't they fibrillate?	mustn't I be fibrillating? mustn't you be fibrillating? mustn't he be fibrillating? mustn't we be fibrillating? mustn't you be fibrillating? mustn't they be fibrillating?
Perfect	V-ing perfect
mustn't I have fibrillated? mustn't you have fibrillated? mustn't he have fibrillated? mustn't we have fibrillated? mustn't you have fibrillated? mustn't they have fibrillated?	mustn't I have been fibrillating? mustn't you have been fibrillating? mustn't he have been fibrillating? mustn't we have been fibrillating? mustn't you have been fibrillating? mustn't they have been fibrillating?