〜べき expresses moral obligation or strong advice - what one "should" or "ought to" do.
Students should study.
Stronger than ほうがいい. Implies duty or moral correctness.
する becomes すべき (not するべき)
- ✅ すべきだ (traditional)
- △ するべきだ (acceptable but less formal)
べき vs はず
- べき = should (obligation)
- はず = should (expectation)
べきではない = should not
- そんなことを言うべきではない
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