Learning objectives
- Lesson goals: Learn the crucial difference: ことにする (personal decision) and ことになる (external decision/outcome).
- Form and connection: [Verb辞书形/なi-adjective] ことにする / ことになる
- Nuance in real use: ことにする and ことになる precisely demarcate "my will" from "the world's arrangement" — Japanese lets you clearly mark this boundary in every decision.
Form and connection
Core Explanation
Learn the crucial difference: ことにする (personal decision) and ことになる (external decision/outcome).
Cultural Note
Practical examples
Common pitfalls
Build the base form before adding the pattern
Complete the required conjugation first. Do not keep polite and plain endings at the same time.
Match politeness to the situation
The examples are reliable starting points; relationships and context can still change the most natural wording.
Practice and answers
Show answer
[Verb辞书形/なi-adjective] ことにする / ことになるShow answer
I've decided to go to Japan next year.Show answer
毎朝まいあさジョギングをすることにしています。 ([Verb辞书形/なi-adjective] ことにする / ことになる)Continue learning
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