English verb conjugation
COULD BIFURCATE

Regular verb: bifurcate - bifurcated - bifurcated

Affirmation

Simple form	V-ing form
I could bifurcate you could bifurcate he could bifurcate we could bifurcate you could bifurcate they could bifurcate	I could be bifurcating you could be bifurcating he could be bifurcating we could be bifurcating you could be bifurcating they could be bifurcating
Perfect	V-ing perfect
I could have bifurcated you could have bifurcated he could have bifurcated we could have bifurcated you could have bifurcated they could have bifurcated	I could have been bifurcating you could have been bifurcating he could have been bifurcating we could have been bifurcating you could have been bifurcating they could have been bifurcating

Negation

Simple form	V-ing form
I could not bifurcate you could not bifurcate he could not bifurcate we could not bifurcate you could not bifurcate they could not bifurcate	I could not be bifurcating you could not be bifurcating he could not be bifurcating we could not be bifurcating you could not be bifurcating they could not be bifurcating
Perfect	V-ing perfect
I could not have bifurcated you could not have bifurcated he could not have bifurcated we could not have bifurcated you could not have bifurcated they could not have bifurcated	I could not have been bifurcating you could not have been bifurcating he could not have been bifurcating we could not have been bifurcating you could not have been bifurcating they could not have been bifurcating

Interrogative form

Simple form	V-ing form
could I bifurcate? could you bifurcate? could he bifurcate? could we bifurcate? could you bifurcate? could they bifurcate?	could I be bifurcating? could you be bifurcating? could he be bifurcating? could we be bifurcating? could you be bifurcating? could they be bifurcating?
Perfect	V-ing perfect
could I have bifurcated? could you have bifurcated? could he have bifurcated? could we have bifurcated? could you have bifurcated? could they have bifurcated?	could I have been bifurcating? could you have been bifurcating? could he have been bifurcating? could we have been bifurcating? could you have been bifurcating? could they have been bifurcating?

Interro-negative form

Simple form	V-ing form
could I not bifurcate? could you not bifurcate? could he not bifurcate? could we not bifurcate? could you not bifurcate? could they not bifurcate?	could I not be bifurcating? could you not be bifurcating? could he not be bifurcating? could we not be bifurcating? could you not be bifurcating? could they not be bifurcating?
Perfect	V-ing perfect
could I not have bifurcated? could you not have bifurcated? could he not have bifurcated? could we not have bifurcated? could you not have bifurcated? could they not have bifurcated?	could I not have been bifurcating? could you not have been bifurcating? could he not have been bifurcating? could we not have been bifurcating? could you not have been bifurcating? could they not have been bifurcating?