YOU SAID:

I'm taking this horse by the rains making redcoats redder with bloodstains

INTO JAPANESE

私はこの馬を雨で連れて行き、血痕で赤いコートを赤くしている

BACK INTO ENGLISH

I'm taking this horse in the rain and reddening my red coat with blood stains

INTO JAPANESE

私はこの馬を雨の中で連れて行き、血の染みで赤いコートを赤くしています

BACK INTO ENGLISH

I take this horse in the rain and have a red coat red with blood stains

INTO JAPANESE

私はこの馬を雨の中で連れて行き、血の染みが付いた赤いコートを着ています

BACK INTO ENGLISH

I took this horse in the rain and wore a red coat with blood stains

INTO JAPANESE

私はこの馬を雨の中で連れて行き、血の染みのある赤いコートを着ました

BACK INTO ENGLISH

I took this horse in the rain and wore a red coat with blood stains