Coniugazione del verbo inglese COULD THUNDER
Verbo regolare: thunder - thundered - thundered
Affermazione
Forma semplice
--
it could thunder
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Forma con V-ing
--
it could be thundering
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Perfetto
--
it could have thundered
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Perfetto con V-ing
--
it could have been thundering
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Negazione
Forma semplice
--
it could not thunder
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Forma con V-ing
--
it could not be thundering
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Perfetto
--
it could not have thundered
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Perfetto con V-ing
--
it could not have been thundering
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Forma interrogativa
Forma semplice
--
could it thunder?
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Forma con V-ing
--
could it be thundering?
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Perfetto
--
could it have thundered?
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Perfetto con V-ing
--
could it have been thundering?
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Forma interro-negativa
Forma semplice
--
could it not thunder?
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Forma con V-ing
--
could it not be thundering?
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Perfetto
--
could it not have thundered?
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Perfetto con V-ing
--
could it not have been thundering?
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