English verb conjugation
MUST TRIFURCATE

Regular verb: trifurcate - trifurcated - trifurcated

Affirmation

Simple form	V-ing form
I must trifurcate you must trifurcate he must trifurcate we must trifurcate you must trifurcate they must trifurcate	I must be trifurcating you must be trifurcating he must be trifurcating we must be trifurcating you must be trifurcating they must be trifurcating
Perfect	V-ing perfect
I must have trifurcated you must have trifurcated he must have trifurcated we must have trifurcated you must have trifurcated they must have trifurcated	I must have been trifurcating you must have been trifurcating he must have been trifurcating we must have been trifurcating you must have been trifurcating they must have been trifurcating

Negation

Simple form	V-ing form
I mustn't trifurcate you mustn't trifurcate he mustn't trifurcate we mustn't trifurcate you mustn't trifurcate they mustn't trifurcate	I mustn't be trifurcating you mustn't be trifurcating he mustn't be trifurcating we mustn't be trifurcating you mustn't be trifurcating they mustn't be trifurcating
Perfect	V-ing perfect
I mustn't have trifurcated you mustn't have trifurcated he mustn't have trifurcated we mustn't have trifurcated you mustn't have trifurcated they mustn't have trifurcated	I mustn't have been trifurcating you mustn't have been trifurcating he mustn't have been trifurcating we mustn't have been trifurcating you mustn't have been trifurcating they mustn't have been trifurcating

Interrogative form

Simple form	V-ing form
must I trifurcate? must you trifurcate? must he trifurcate? must we trifurcate? must you trifurcate? must they trifurcate?	must I be trifurcating? must you be trifurcating? must he be trifurcating? must we be trifurcating? must you be trifurcating? must they be trifurcating?
Perfect	V-ing perfect
must I have trifurcated? must you have trifurcated? must he have trifurcated? must we have trifurcated? must you have trifurcated? must they have trifurcated?	must I have been trifurcating? must you have been trifurcating? must he have been trifurcating? must we have been trifurcating? must you have been trifurcating? must they have been trifurcating?

Interro-negative form

Simple form	V-ing form
mustn't I trifurcate? mustn't you trifurcate? mustn't he trifurcate? mustn't we trifurcate? mustn't you trifurcate? mustn't they trifurcate?	mustn't I be trifurcating? mustn't you be trifurcating? mustn't he be trifurcating? mustn't we be trifurcating? mustn't you be trifurcating? mustn't they be trifurcating?
Perfect	V-ing perfect
mustn't I have trifurcated? mustn't you have trifurcated? mustn't he have trifurcated? mustn't we have trifurcated? mustn't you have trifurcated? mustn't they have trifurcated?	mustn't I have been trifurcating? mustn't you have been trifurcating? mustn't he have been trifurcating? mustn't we have been trifurcating? mustn't you have been trifurcating? mustn't they have been trifurcating?