English verb conjugation
MUST OUTFUMBLE

Regular verb: outfumble - outfumbled - outfumbled

Affirmation

Simple form	V-ing form
I must outfumble you must outfumble he must outfumble we must outfumble you must outfumble they must outfumble	I must be outfumbling you must be outfumbling he must be outfumbling we must be outfumbling you must be outfumbling they must be outfumbling
Perfect	V-ing perfect
I must have outfumbled you must have outfumbled he must have outfumbled we must have outfumbled you must have outfumbled they must have outfumbled	I must have been outfumbling you must have been outfumbling he must have been outfumbling we must have been outfumbling you must have been outfumbling they must have been outfumbling

Negation

Simple form	V-ing form
I mustn't outfumble you mustn't outfumble he mustn't outfumble we mustn't outfumble you mustn't outfumble they mustn't outfumble	I mustn't be outfumbling you mustn't be outfumbling he mustn't be outfumbling we mustn't be outfumbling you mustn't be outfumbling they mustn't be outfumbling
Perfect	V-ing perfect
I mustn't have outfumbled you mustn't have outfumbled he mustn't have outfumbled we mustn't have outfumbled you mustn't have outfumbled they mustn't have outfumbled	I mustn't have been outfumbling you mustn't have been outfumbling he mustn't have been outfumbling we mustn't have been outfumbling you mustn't have been outfumbling they mustn't have been outfumbling

Interrogative form

Simple form	V-ing form
must I outfumble? must you outfumble? must he outfumble? must we outfumble? must you outfumble? must they outfumble?	must I be outfumbling? must you be outfumbling? must he be outfumbling? must we be outfumbling? must you be outfumbling? must they be outfumbling?
Perfect	V-ing perfect
must I have outfumbled? must you have outfumbled? must he have outfumbled? must we have outfumbled? must you have outfumbled? must they have outfumbled?	must I have been outfumbling? must you have been outfumbling? must he have been outfumbling? must we have been outfumbling? must you have been outfumbling? must they have been outfumbling?

Interro-negative form

Simple form	V-ing form
mustn't I outfumble? mustn't you outfumble? mustn't he outfumble? mustn't we outfumble? mustn't you outfumble? mustn't they outfumble?	mustn't I be outfumbling? mustn't you be outfumbling? mustn't he be outfumbling? mustn't we be outfumbling? mustn't you be outfumbling? mustn't they be outfumbling?
Perfect	V-ing perfect
mustn't I have outfumbled? mustn't you have outfumbled? mustn't he have outfumbled? mustn't we have outfumbled? mustn't you have outfumbled? mustn't they have outfumbled?	mustn't I have been outfumbling? mustn't you have been outfumbling? mustn't he have been outfumbling? mustn't we have been outfumbling? mustn't you have been outfumbling? mustn't they have been outfumbling?