English verb conjugation
COULD TRIFURCATE

Regular verb: trifurcate - trifurcated - trifurcated

Affirmation

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

Negation

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

Interrogative form

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

Interro-negative form

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