Conjugación del verbo inglés COULD WHITEN

Verbo regular: whiten - whitened - whitened

Afirmación

Forma simple

I could whiten
you could whiten
she could whiten
we could whiten
you could whiten
they could whiten

Forma con V-ing

I could be whitening
you could be whitening
she could be whitening
we could be whitening
you could be whitening
they could be whitening

Perfecto

I could have whitened
you could have whitened
she could have whitened
we could have whitened
you could have whitened
they could have whitened

Perfecto con V-ing

I could have been whitening
you could have been whitening
she could have been whitening
we could have been whitening
you could have been whitening
they could have been whitening

Negación

Forma simple

I couldn't whiten
you couldn't whiten
she couldn't whiten
we couldn't whiten
you couldn't whiten
they couldn't whiten

Forma con V-ing

I couldn't be whitening
you couldn't be whitening
she couldn't be whitening
we couldn't be whitening
you couldn't be whitening
they couldn't be whitening

Perfecto

I couldn't have whitened
you couldn't have whitened
she couldn't have whitened
we couldn't have whitened
you couldn't have whitened
they couldn't have whitened

Perfecto con V-ing

I couldn't have been whitening
you couldn't have been whitening
she couldn't have been whitening
we couldn't have been whitening
you couldn't have been whitening
they couldn't have been whitening

Forma interrogativa

Forma simple

could I whiten?
could you whiten?
could she whiten?
could we whiten?
could you whiten?
could they whiten?

Forma con V-ing

could I be whitening?
could you be whitening?
could she be whitening?
could we be whitening?
could you be whitening?
could they be whitening?

Perfecto

could I have whitened?
could you have whitened?
could she have whitened?
could we have whitened?
could you have whitened?
could they have whitened?

Perfecto con V-ing

could I have been whitening?
could you have been whitening?
could she have been whitening?
could we have been whitening?
could you have been whitening?
could they have been whitening?

Forma interro-negativa

Forma simple

couldn't I whiten?
couldn't you whiten?
couldn't she whiten?
couldn't we whiten?
couldn't you whiten?
couldn't they whiten?

Forma con V-ing

couldn't I be whitening?
couldn't you be whitening?
couldn't she be whitening?
couldn't we be whitening?
couldn't you be whitening?
couldn't they be whitening?

Perfecto

couldn't I have whitened?
couldn't you have whitened?
couldn't she have whitened?
couldn't we have whitened?
couldn't you have whitened?
couldn't they have whitened?

Perfecto con V-ing

couldn't I have been whitening?
couldn't you have been whitening?
couldn't she have been whitening?
couldn't we have been whitening?
couldn't you have been whitening?
couldn't they have been whitening?

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