The Conjugator
Conjugação do verbo inglês
COULD REFER

Verbo regular: refer - referred - referred

Afirmação

Forma simple

Forma com V-ing

I could refer
you could refer
he could refer
we could refer
you could refer
they could refer
I could be referring
you could be referring
he could be referring
we could be referring
you could be referring
they could be referring

Perfeito

Perfeito com V-ing

I could have referred
you could have referred
he could have referred
we could have referred
you could have referred
they could have referred
I could have been referring
you could have been referring
he could have been referring
we could have been referring
you could have been referring
they could have been referring

Negação

Forma simple

Forma com V-ing

I couldn't refer
you couldn't refer
he couldn't refer
we couldn't refer
you couldn't refer
they couldn't refer
I couldn't be referring
you couldn't be referring
he couldn't be referring
we couldn't be referring
you couldn't be referring
they couldn't be referring

Perfeito

Perfeito com V-ing

I couldn't have referred
you couldn't have referred
he couldn't have referred
we couldn't have referred
you couldn't have referred
they couldn't have referred
I couldn't have been referring
you couldn't have been referring
he couldn't have been referring
we couldn't have been referring
you couldn't have been referring
they couldn't have been referring

Forma interrogativa

Forma simple

Forma com V-ing

could I refer?
could you refer?
could he refer?
could we refer?
could you refer?
could they refer?
could I be referring?
could you be referring?
could he be referring?
could we be referring?
could you be referring?
could they be referring?

Perfeito

Perfeito com V-ing

could I have referred?
could you have referred?
could he have referred?
could we have referred?
could you have referred?
could they have referred?
could I have been referring?
could you have been referring?
could he have been referring?
could we have been referring?
could you have been referring?
could they have been referring?

Forma interro-Negação

Forma simple

Forma com V-ing

couldn't I refer?
couldn't you refer?
couldn't he refer?
couldn't we refer?
couldn't you refer?
couldn't they refer?
couldn't I be referring?
couldn't you be referring?
couldn't he be referring?
couldn't we be referring?
couldn't you be referring?
couldn't they be referring?

Perfeito

Perfeito com V-ing

couldn't I have referred?
couldn't you have referred?
couldn't he have referred?
couldn't we have referred?
couldn't you have referred?
couldn't they have referred?
couldn't I have been referring?
couldn't you have been referring?
couldn't he have been referring?
couldn't we have been referring?
couldn't you have been referring?
couldn't they have been referring?