conditional N2 uncommon casualpolitewritten

ないことには — unless ~

ないことには
Builds on こと

Meaning

Key sentence

Unless you try it yourself, you won't know how good it is.

Formation

Attaches toFormExample
Verb (ない-form); also Aく〜ない / Nで〜ない V-ない + ことには(main clause negative / impossible) 予約よやくをしないことには / 健康けんこうでないことには

Examples

Unless you make a reservation, you can't secure a seat.
Unless you're healthy, nothing can get started.

When you can't use it

Easily confused with

See ないことには in real sentences

Jengo shows ないことには the way you actually meet it: inside real Japanese sentences, so it sticks instead of staying an abstract rule.

Study it in Jengo

Sources Compiled with reference to A Dictionary of Advanced Japanese Grammar.

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