YOU SAID:

My background keeps changing colours, it used to be blue and now it's green

INTO JAPANESE

私の背景は色を変え続けます、それは青だった、そして今それは緑です

BACK INTO ENGLISH

My background keeps changing color, it was blue, and now it's green

INTO JAPANESE

私の背景は色を変え続け、それは青だった、そして今それは緑です

BACK INTO ENGLISH

My background kept changing color, it was blue, and now it's green

INTO JAPANESE

私の背景は色を変え続けました、それは青でした、そして今それは緑です

BACK INTO ENGLISH

My background kept changing color, it was blue, and now it's green