YOU SAID:
My toenail is infected
INTO JAPANESE
私の足の爪が感染しています
BACK INTO ENGLISH
My nail is infected
INTO JAPANESE
私の爪が感染している
BACK INTO ENGLISH
My nails are infected
INTO JAPANESE
私の爪が感染している
BACK INTO ENGLISH
My nails are infected
You've done this before, haven't you.