Japanese Grammar – This computer is not expensive. 🇯🇵

この コンピューター は（たかい）____です よ。

The structure of the sentence you provided translates to "This computer is not expensive." in English. Let’s break down the Japanese grammar to understand why the answer is “たかくない” (takakunai).

1. Adjective form:
– The adjective in the original Japanese sentence is “たかい” (takai), which means “expensive.”

2. Adjective conjugation:
– In Japanese, adjectives can be divided into two main types: い-adjectives (i-adjectives) and な-adjectives (na-adjectives).
– “たかい” (takai) is an い-adjective.

3. Negative form of い-adjectives:
– To make an い-adjective negative, you remove the final "い" (i) and add “くない” (kunai).
– For “たかい” (takai), you remove the final "い" (i) and add “くない” (kunai), resulting in “たかくない” (takakunai).

Therefore, the correct way to say "is not expensive" in Japanese is “たかくない” (takakunai).

Sentence Construction:
– この (kono): This
– コンピューター (konpyūtā): Computer
– は (wa): Topic marker
– たかい (takai): Expensive
– ____です (____ desu): Is (to be)
– よ (yo): Sentence-ending particle for emphasis

When we fill in the blank with the negative form “たかくない” (takakunai):

– このコンピューターはたかくないです よ。 (Kono konpyūtā wa takakunai desu yo.)
– This computer is not expensive.

To summarize:
– You start with the adjective “たかい” (takai).
– Convert it to its negative form by removing the final "い" and adding “くない” (kunai) to get “たかくない” (takakunai).

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