Conjugação do verbo inglês COULD PERFORM

Verbo regular: perform - performed - performed

Afirmação

Forma simple

I could perform
you could perform
he could perform
we could perform
you could perform
they could perform

Forma com V-ing

I could be performing
you could be performing
he could be performing
we could be performing
you could be performing
they could be performing

Perfeito

I could have performed
you could have performed
he could have performed
we could have performed
you could have performed
they could have performed

Perfeito com V-ing

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

Negação

Forma simple

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

Forma com V-ing

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

Perfeito

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

Perfeito com V-ing

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

Forma interrogativa

Forma simple

could I perform?
could you perform?
could he perform?
could we perform?
could you perform?
could they perform?

Forma com V-ing

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

Perfeito

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

Perfeito com V-ing

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

Forma interro-Negação

Forma simple

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

Forma com V-ing

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

Perfeito

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

Perfeito com V-ing

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

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