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 must not trifurcate you must not trifurcate he must not trifurcate we must not trifurcate you must not trifurcate they must not trifurcate	I must not be trifurcating you must not be trifurcating he must not be trifurcating we must not be trifurcating you must not be trifurcating they must not be trifurcating
Perfect	V-ing perfect
I must not have trifurcated you must not have trifurcated he must not have trifurcated we must not have trifurcated you must not have trifurcated they must not have trifurcated	I must not have been trifurcating you must not have been trifurcating he must not have been trifurcating we must not have been trifurcating you must not have been trifurcating they must not 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
must I not trifurcate? must you not trifurcate? must he not trifurcate? must we not trifurcate? must you not trifurcate? must they not trifurcate?	must I not be trifurcating? must you not be trifurcating? must he not be trifurcating? must we not be trifurcating? must you not be trifurcating? must they not be trifurcating?
Perfect	V-ing perfect
must I not have trifurcated? must you not have trifurcated? must he not have trifurcated? must we not have trifurcated? must you not have trifurcated? must they not have trifurcated?	must I not have been trifurcating? must you not have been trifurcating? must he not have been trifurcating? must we not have been trifurcating? must you not have been trifurcating? must they not have been trifurcating?