Coniugazione del verbo inglese SHOULD HAPPEN
Verbo regolare: happen - happened - happened
Affermazione
Forma semplice
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it'd happen
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Forma con V-ing
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it'd be happening
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Perfetto
--
it should've happened
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Perfetto con V-ing
--
it should've been happening
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Negazione
Forma semplice
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it shouldn't happen
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Forma con V-ing
--
it shouldn't be happening
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Perfetto
--
it shouldn't have happened
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Perfetto con V-ing
--
it shouldn't have been happening
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Forma interrogativa
Forma semplice
--
should it happen?
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Forma con V-ing
--
should it be happening?
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Perfetto
--
should it have happened?
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Perfetto con V-ing
--
should it have been happening?
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Forma interro-negativa
Forma semplice
--
shouldn't it happen?
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Forma con V-ing
--
shouldn't it be happening?
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Perfetto
--
shouldn't it have happened?
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Perfetto con V-ing
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shouldn't it have been happening?
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