Conjugação do verbo inglês COULD REFEREE

Verbo regular: referee - refereed - refereed

Afirmação

Forma simple

I could referee
you could referee
he could referee
we could referee
you could referee
they could referee

Forma com V-ing

I could be refereeing
you could be refereeing
he could be refereeing
we could be refereeing
you could be refereeing
they could be refereeing

Perfeito

I could have refereed
you could have refereed
he could have refereed
we could have refereed
you could have refereed
they could have refereed

Perfeito com V-ing

I could have been refereeing
you could have been refereeing
he could have been refereeing
we could have been refereeing
you could have been refereeing
they could have been refereeing

Negação

Forma simple

I couldn't referee
you couldn't referee
he couldn't referee
we couldn't referee
you couldn't referee
they couldn't referee

Forma com V-ing

I couldn't be refereeing
you couldn't be refereeing
he couldn't be refereeing
we couldn't be refereeing
you couldn't be refereeing
they couldn't be refereeing

Perfeito

I couldn't have refereed
you couldn't have refereed
he couldn't have refereed
we couldn't have refereed
you couldn't have refereed
they couldn't have refereed

Perfeito com V-ing

I couldn't have been refereeing
you couldn't have been refereeing
he couldn't have been refereeing
we couldn't have been refereeing
you couldn't have been refereeing
they couldn't have been refereeing

Forma interrogativa

Forma simple

could I referee?
could you referee?
could he referee?
could we referee?
could you referee?
could they referee?

Forma com V-ing

could I be refereeing?
could you be refereeing?
could he be refereeing?
could we be refereeing?
could you be refereeing?
could they be refereeing?

Perfeito

could I have refereed?
could you have refereed?
could he have refereed?
could we have refereed?
could you have refereed?
could they have refereed?

Perfeito com V-ing

could I have been refereeing?
could you have been refereeing?
could he have been refereeing?
could we have been refereeing?
could you have been refereeing?
could they have been refereeing?

Forma interro-Negação

Forma simple

couldn't I referee?
couldn't you referee?
couldn't he referee?
couldn't we referee?
couldn't you referee?
couldn't they referee?

Forma com V-ing

couldn't I be refereeing?
couldn't you be refereeing?
couldn't he be refereeing?
couldn't we be refereeing?
couldn't you be refereeing?
couldn't they be refereeing?

Perfeito

couldn't I have refereed?
couldn't you have refereed?
couldn't he have refereed?
couldn't we have refereed?
couldn't you have refereed?
couldn't they have refereed?

Perfeito com V-ing

couldn't I have been refereeing?
couldn't you have been refereeing?
couldn't he have been refereeing?
couldn't we have been refereeing?
couldn't you have been refereeing?
couldn't they have been refereeing?

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