YOU SAID:

How has your day been? Mine has been very good.

INTO JAPANESE

あなたの一日はどうでしたか？私はとても良かった。

BACK INTO ENGLISH

How was your day? I was very good.

INTO JAPANESE

あなたの一日はどうでした？とても良かった。

BACK INTO ENGLISH

how was your day? It was very good.

INTO JAPANESE

あなたの一日はどうでした？それはとてもよかった。

BACK INTO ENGLISH

how was your day? It was very good.