YOU SAID:

I was very happy about these fabrics

INTO JAPANESE

これらの生地については嬉しかった

BACK INTO ENGLISH

I was happy about these students

INTO JAPANESE

これらの学生は嬉しかった

BACK INTO ENGLISH

These students are happy

INTO JAPANESE

これらの学生は満足しています。

BACK INTO ENGLISH

These students are satisfied.

INTO JAPANESE

これらの学生は、満足しています。

BACK INTO ENGLISH

These students are satisfied.