Conjugação do verbo inglês COULD SIEVE

Verbo regular: sieve - sieved - sieved

Afirmação

Forma simple

I could sieve
you could sieve
he could sieve
we could sieve
you could sieve
they could sieve

Forma com V-ing

I could be sieving
you could be sieving
he could be sieving
we could be sieving
you could be sieving
they could be sieving

Perfeito

I could have sieved
you could have sieved
he could have sieved
we could have sieved
you could have sieved
they could have sieved

Perfeito com V-ing

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

Negação

Forma simple

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

Forma com V-ing

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

Perfeito

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

Perfeito com V-ing

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

Forma interrogativa

Forma simple

could I sieve?
could you sieve?
could he sieve?
could we sieve?
could you sieve?
could they sieve?

Forma com V-ing

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

Perfeito

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

Perfeito com V-ing

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

Forma interro-Negação

Forma simple

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

Forma com V-ing

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

Perfeito

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

Perfeito com V-ing

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

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