YOU SAID:

I'm glad I know sign language, it's pretty handy.

INTO JAPANESE

私は、手話を知っているうれしいです非常に便利です。

BACK INTO ENGLISH

I know sign language is nice is very useful.

INTO JAPANESE

言語は素敵なサインは非常に役に立つね。

BACK INTO ENGLISH

Language is a nice sign that very useful.

INTO JAPANESE

言語は、非常に役に立つこと素敵なサインです。

BACK INTO ENGLISH

Language is a nice sign that very useful.