How to Say ‘It is / plain form of 'is'’ in Japanese
〜だ
~
[dah]
💬 Usage Tip: In [〜だとうれしいです], the [だ] is the plain "is" before [と], giving the pattern "if it is ... , I'd be happy." With [い]-adjectives you don't use [だ]: [辛くないとうれしいです] is natural, not [辛くないだと...].
Phrase Breakdown
だ
~
[dah]
is; it is
A plain copula used to link a noun or adjective-like phrase to a statement.
やさしい味だと食べやすいです。
If it has a mild flavor, it is easy to eat.
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