Coniugazione del verbo inglese COULD WHITEN

Verbo regolare: whiten - whitened - whitened

Affermazione

Forma semplice

I could whiten
you could whiten
he could whiten
we could whiten
you could whiten
they could whiten

Forma con V-ing

I could be whitening
you could be whitening
he could be whitening
we could be whitening
you could be whitening
they could be whitening

Perfetto

I could have whitened
you could have whitened
he could have whitened
we could have whitened
you could have whitened
they could have whitened

Perfetto con V-ing

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

Negazione

Forma semplice

I couldn't whiten
you couldn't whiten
he 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
he couldn't be whitening
we couldn't be whitening
you couldn't be whitening
they couldn't be whitening

Perfetto

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

Perfetto con V-ing

I couldn't have been whitening
you couldn't have been whitening
he 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 semplice

could I whiten?
could you whiten?
could he whiten?
could we whiten?
could you whiten?
could they whiten?

Forma con V-ing

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

Perfetto

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

Perfetto con V-ing

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

Forma interro-negativa

Forma semplice

couldn't I whiten?
couldn't you whiten?
couldn't he 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 he be whitening?
couldn't we be whitening?
couldn't you be whitening?
couldn't they be whitening?

Perfetto

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

Perfetto con V-ing

couldn't I have been whitening?
couldn't you have been whitening?
couldn't he 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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