■ ここは【place】です
Meaning: “This is [place].”
ここ is a demonstrative meaning “here” (where the speaker is).
Used to describe or identify a specific place.
■ 【Place】に Nが あります
Meaning: “There is N in/at [Place].”
に indicates the location.
が marks the thing that exists.
Used to explain the presence or location of objects or places.
■ 【Place】に Nが【Number】あります
Meaning: “There are [Number] Ns in/at [Place].”
Used to state the quantity of something at a certain place.
Place the number directly before あります.
■ (Nは)ありません
Meaning: “There is no N.” / “N does not exist.”
Negative form of あります.
Used to state that something is not present.
In negative sentences, the particle が often becomes は.
■ (Nは)ないです
Meaning: “There is no N.” (casual)
ない is the negative form of the dictionary-form ある.
ないです is more casual and often used in spoken language.
Has the same meaning as ありません.
■ ナ-adjective + です
Meaning: “[Something] is (ナ-adjective).”
Used to describe conditions or appearances.
Example adjectives: しずか(な), きれい(な)
Note: きれい is a ナ-adjective, even though it ends in い.
■ イ-adjectiveい + です
Meaning: “[Something] is (イ-adjective).”
Used to express qualities like size, color, or emotion.
Example adjectives: せまい (narrow), おおきい (big), たのしい (fun)
■ ナ-adjective + じゃないです
Meaning: “[Something] is not (ナ-adjective).”
ナ-adjectiveな + じゃないです
(Alternative formal form: じゃありません)
Used to make negative sentences with ナ-adjectives.
■ イ-adjective + くないです
Meaning: “[Something] is not (イ-adjective).”
イ-adjectiveい + くないです
(Alternative formal form: くありません)
Used to make negative sentences with イ-adjectives.