Conjugaison du verbe anglais MUST THUNDER
Verbe régulier : thunder -  thundered - thundered
Traduction française : tonner - lancer d'une voix tonitruante ou tonnante 
Affirmation
Forme simple
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it must thunder
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Forme en V-ing
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it must be thundering
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Perfect
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it must have thundered
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Perfect en V-ing
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it must have been thundering
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Négation
Forme simple
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it must not thunder
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Forme en V-ing
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it must not be thundering
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Perfect
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it must not have thundered
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Perfect en V-ing
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it must not have been thundering
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Forme interrogative
Forme simple
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must it thunder?
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Forme en V-ing
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must it be thundering?
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Perfect
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must it have thundered?
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Perfect en V-ing
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must it have been thundering?
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Forme interro-négative
Forme simple
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must it not thunder?
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Forme en V-ing
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must it not be thundering?
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Perfect
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must it not have thundered?
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Perfect en V-ing
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must it not have been thundering?
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Verbe au hasard
awake - bare - bay - bend - characterize - consist - contest - customize - deserve - diverge - enter - fend - fleer - forest - hate - hello - hint - hurry - impress - kill - lave - lodge - make - meet - mow - notice - oversleep - pet - pirate - press - query - realize - remove - restore - right - shout - snow - to be - to do - to go - to have - undertain - utilize - watch