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
addict - allot - approach - arc - caution - cure - dance - decommission - desire - drive - effectuate - entitle - film - finalize - fish - fit - gift - give - greet - initialize - introduce - invent - jaunt - jest - lam - laugh - mark - need - operate - paper - plink - reduce - refit - seat - separate - swap - take - test - to be - to do - to go - to have - transmit - write