YOU SAID:
そう言ってくれた人がいた
INTO JAPANESE
そう言ってくれた人がいた
BACK INTO ENGLISH
There was a person who said so.
INTO JAPANESE
そう言う人がいました。
BACK INTO ENGLISH
Some people said that.
INTO JAPANESE
何人かの人々はそれを言った。
BACK INTO ENGLISH
Some people said it.
INTO JAPANESE
何人かの人々がそれを言った。
BACK INTO ENGLISH
Some people said it.
That didn't even make that much sense in English.