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A: めっちゃ好き　かっこよすぎ
B: だね
A:あッ　来週ドラマ出るし　見ないとだよ

From the context (them talking about a celebrity), I understood that "見ないとだ" is similar to "見ないといけない". But when I searched for it online, an user on https://hinative.com/en-US/questions/240162 said that it isn't correct Japanese. Is that the case, and if so, how common is it?

smeraldofw
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1 Answers1

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This sentence is not formal, but it's not incorrect. Sometimes だ can be used as a sentence-end or interjectory particle, and だ/です can appear after ないと, なきゃ, かも, たら, etc.

naruto
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