could trifurcate
Verbe régulier : trifurcate - trifurcated- trifurcated

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I could trifurcate
you could trifurcate
she could trifurcate
we could trifurcate
you could trifurcate
they could trifurcate 	I could be trifurcating
you could be trifurcating
she could be trifurcating
we could be trifurcating
you could be trifurcating
they could be trifurcating	I could have trifurcated
you could have trifurcated
she 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
she could have been trifurcating
we could have been trifurcating
you could have been trifurcating
they could have been trifurcating	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I couldn't trifurcate
you couldn't trifurcate
she 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
she couldn't be trifurcating
we couldn't be trifurcating
you couldn't be trifurcating
they couldn't be trifurcating	I couldn't have trifurcated
you couldn't have trifurcated
she 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
she couldn't have been trifurcating
we couldn't have been trifurcating
you couldn't have been trifurcating
they couldn't have been trifurcating	

Forme interrogative 	
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could I trifurcate?
could you trifurcate?
could she trifurcate?
could we trifurcate?
could you trifurcate?
could they trifurcate? 	could I be trifurcating?
could you be trifurcating?
could she be trifurcating?
could we be trifurcating?
could you be trifurcating?
could they be trifurcating? 	could I have trifurcated?
could you have trifurcated?
could she 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 she have been trifurcating?
could we have been trifurcating?
could you have been trifurcating?
could they have been trifurcating? 	

Forme interro-négative 	
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couldn't I trifurcate?
couldn't you trifurcate?
couldn't she 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 she be trifurcating?
couldn't we be trifurcating?
couldn't you be trifurcating?
couldn't they be trifurcating? 	couldn't I have trifurcated?
couldn't you have trifurcated?
couldn't she 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 she have been trifurcating?
couldn't we have been trifurcating?
couldn't you have been trifurcating?
couldn't they have been trifurcating?