YOU SAID:

my students are extremely articulate and well-mannered.

INTO JAPANESE

私の生徒たちは非常にはっきりと話ができ、礼儀正しいです。

BACK INTO ENGLISH

My students are very articulate and polite.

INTO JAPANESE

私の生徒たちはとてもはっきりと礼儀正しく、礼儀正しいです。

BACK INTO ENGLISH

My students are very articulate and polite.