can ferment
Verbo regular: ferment - fermented- fermented

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I can ferment
you can ferment
he can ferment
we can ferment
you can ferment
they can ferment 	I can be fermenting
you can be fermenting
he can be fermenting
we can be fermenting
you can be fermenting
they can be fermenting	I can have fermented
you can have fermented
he can have fermented
we can have fermented
you can have fermented
they can have fermented	I can have been fermenting
you can have been fermenting
he can have been fermenting
we can have been fermenting
you can have been fermenting
they can have been fermenting	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I can't ferment
you can't ferment
he can't ferment
we can't ferment
you can't ferment
they can't ferment 	I can't be fermenting
you can't be fermenting
he can't be fermenting
we can't be fermenting
you can't be fermenting
they can't be fermenting	I can't have fermented
you can't have fermented
he can't have fermented
we can't have fermented
you can't have fermented
they can't have fermented	I can't have been fermenting
you can't have been fermenting
he can't have been fermenting
we can't have been fermenting
you can't have been fermenting
they can't have been fermenting	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
can I ferment?
can you ferment?
can he ferment?
can we ferment?
can you ferment?
can they ferment? 	can I be fermenting?
can you be fermenting?
can he be fermenting?
can we be fermenting?
can you be fermenting?
can they be fermenting? 	can I have fermented?
can you have fermented?
can he have fermented?
can we have fermented?
can you have fermented?
can they have fermented? 	can I have been fermenting?
can you have been fermenting?
can he have been fermenting?
can we have been fermenting?
can you have been fermenting?
can they have been fermenting? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
can't I ferment?
can't you ferment?
can't he ferment?
can't we ferment?
can't you ferment?
can't they ferment? 	can't I be fermenting?
can't you be fermenting?
can't he be fermenting?
can't we be fermenting?
can't you be fermenting?
can't they be fermenting? 	can't I have fermented?
can't you have fermented?
can't he have fermented?
can't we have fermented?
can't you have fermented?
can't they have fermented? 	can't I have been fermenting?
can't you have been fermenting?
can't he have been fermenting?
can't we have been fermenting?
can't you have been fermenting?
can't they have been fermenting?