YOU SAID:

Billy said he had to come back into the hospital

INTO JAPANESE

ビリーは病院に戻らなければならないと言った

BACK INTO ENGLISH

Billy told me to go back to the hospital

INTO JAPANESE

ビリーは私に病院に戻るように言った

BACK INTO ENGLISH

Billy told me to return to the hospital

INTO JAPANESE

ビリーは私に病院に戻るように言った

BACK INTO ENGLISH

Billy told me to return to the hospital