“Must have been” in Japanese
Short answer
Must have been in Japanese is “だったろう” (dattarou). Full meaning: it was, wasn't it?, must have been, I think (it was), how might it have been?.
Other ways to say “Must have been” in Japanese
辰太郎
tatsutarou it was, wasn't it?, must have been, I think (it was), how might it have been?
達太郎
tatsutarou it was, wasn't it?, must have been, I think (it was), how might it have been?
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