YOU SAID:

could you pass me the butter

INTO JAPANESE

バターを渡してくれ

BACK INTO ENGLISH

Give me the butter.

INTO JAPANESE

バターをください。

BACK INTO ENGLISH

I'm pleased with butter.

INTO JAPANESE

私はバターが好き。

BACK INTO ENGLISH

I like butter.

INTO JAPANESE

私はバターが好きです。

BACK INTO ENGLISH

I like butter.