must trifurcate
Verbo regular: trifurcate - trifurcated- trifurcated

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
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	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	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
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	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	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
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? 	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? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
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? 	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?