Conjugaison du verbe anglais MUST SEEM
Verbe régulier : seem -  seemed - seemed
Traduction française : sembler - paraître 
Affirmation
Forme simple
--
it must seem
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Forme en V-ing
--
it must be seeming
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Perfect
--
it must have seemed
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Perfect en V-ing
--
it must have been seeming
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Négation
Forme simple
--
it must not seem
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Forme en V-ing
--
it must not be seeming
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Perfect
--
it must not have seemed
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Perfect en V-ing
--
it must not have been seeming
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Forme interrogative
Forme simple
--
must it seem?
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Forme en V-ing
--
must it be seeming?
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Perfect
--
must it have seemed?
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Perfect en V-ing
--
must it have been seeming?
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Forme interro-négative
Forme simple
--
must it not seem?
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Forme en V-ing
--
must it not be seeming?
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-
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Perfect
--
must it not have seemed?
-
-
-
Perfect en V-ing
--
must it not have been seeming?
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