N2 · Structured courses

~Mono to Shite: Treating As / Assuming That

Learn mono to shite for "assuming/treating as A" — making a working assumption to proceed. This lesson combines form, context, examples, common mistakes, and practice so you can use the pattern in real communication.

12 minNihongo Hub Editorial TeamPublished 2026-06-06Updated 2026-06-06

Learning objectives

  • Lesson goals: Learn mono to shite for "assuming/treating as A" — making a working assumption to proceed.
  • Form and connection: [名詞/Plain form] ものとして
  • Nuance in real use: ものとして reflects the Japanese pragmatic attitude of acting under uncertainty — "let's proceed assuming it's this way." It's not carelessness but a flexible, adaptive life philosophy.

Form and connection

[名詞/Plain form] ものとして

Core Explanation

Learn mono to shite for "assuming/treating as A" — making a working assumption to proceed.

Cultural Note

ものとして reflects the Japanese pragmatic attitude of acting under uncertainty — "let's proceed assuming it's this way." It's not carelessness but a flexible, adaptive life philosophy.

Practical examples

Let's proceed with preparations assuming he will come.
I reserved the venue assuming everyone would attend.
Please treat this matter as resolved.

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

1. Write the connection formula for this lesson.
Show answer[名詞/Plain form] ものとして
2. Explain the meaning of the first example.
Show answerLet's proceed with preparations assuming he will come.
3. Rewrite the final example using this lesson pattern.
Show answerこの件けんは解決済かいけつずみのものとして扱あつかってください。 ([名詞/Plain form] ものとして)

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