YOU SAID:
こどもが に人 きます。
INTO JAPANESE
こどもが に人 きます。
BACK INTO ENGLISH
Children come to the house.
INTO JAPANESE
子供たちが家にやって来ます。
BACK INTO ENGLISH
The kids are coming home.
INTO JAPANESE
子供たちが家に帰ってきます。
BACK INTO ENGLISH
The kids are coming home.
That didn't even make that much sense in English.