Japanese Grammar – This is a troublesome problem. 🇯🇵

これ は たいへん____もんだい です。

The word "たいへん" (taihen) is an adjective that often means "troublesome" or "difficult." When it is used to modify a noun, we need to understand its grammatical function and how it fits with the rest of the sentence.

1. Taihen as an Adjective:
– "たいへん" itself is a な-adjective. When な-adjectives modify a noun directly, they typically precede the noun with the addition of the particle "な" (na).

2. Structure:
– たいへん + な + Noun: This structure is used when you want to describe a noun with a な-adjective. Here, the noun "もんだい" (mondai) means "problem."

3. Sentence Analysis:
– これ は たいへん____もんだい です。
– "これ" (kore) means "this."
– "は" (wa) is the topic marker.
– "もんだい" (mondai) means "problem."
– "です" (desu) is a copula, often translated as "is" in English.
– To make "たいへん" correctly modify "もんだい," you need to use the structure for な-adjectives:
– たいへん + な + もんだい
– Therefore, the correct sentence is: "これ は たいへん な もんだい です。」

4. Romanized:
– Kore wa taihen na mondai desu.

This grammatical rule ensures that "たいへん" correctly modifies "もんだい," defining it as a troublesome or difficult problem.

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