YOU SAID:

my room used to be blue and big, but now it is yellow and small.

INTO JAPANESE

私の部屋は以前は青くて大きかったのですが、今は黄色くて小さいです。

BACK INTO ENGLISH

My room used to be blue and big, but now it's yellow and small.

INTO JAPANESE

私の部屋は以前は青くて大きかったのですが、今は黄色くて小さいです。

BACK INTO ENGLISH

My room used to be blue and big, but now it's yellow and small.