母国語

カビル語ごは私わたしの母国語ぼこくごなの。

Kabyle is my mother tongue.

イタリア語ごが私わたしの母国語ぼこくごです。

Italian is my native language.

ロシア語ごは僕ぼくの母国語ぼこくごなんだ。

Russian is my native language.

フランス語ごは僕ぼくの母国語ぼこくごなんだ。

French is my native language.

私わたしは、母語ぼごも母国語ぼこくごも日本語にほんごだよ。

My mother tongue in addition to my mother country's native language is Japanese.

彼女かのじょは自分じぶんの母国語ぼこくごでさえも間違まちがえてしまいます。

She can't even speak her native language without making mistakes.

自分じぶんの母国語ぼこくごを忘わすれ去さることは可能かのうなのでしょうか？

Is it possible to forget your native language?

ライトさんは、まるで母国語ぼこくごの様ように日本語にほんごを話はなします。

Mr Wright speaks Japanese as if it were his mother tongue.

彼女かのじょは5ヶ国語かこくごを話はなすが、悪口わるぐちを言いう時ときは母国語ぼこくごで言いう。

She speaks five foreign languages, but when she wants to curse she speaks in her mother tongue.

その外国人がいこくじんはまるで母国語ぼこくごであるかのように日本語にほんごを話はなす。

The foreigner speaks Japanese as if it were his native language.