YOU SAID:

I was supposed to say, "Let's participate again next week."

INTO JAPANESE

「来週も参加しよう」と言うことになっていた。

BACK INTO ENGLISH

I was supposed to say, "Let's participate again next week."

INTO JAPANESE

「来週また参加しよう」と言うはずだった。

BACK INTO ENGLISH

I was supposed to say, "Let's get back in next week."

INTO JAPANESE

「来週また帰ろう」と言うはずだった。

BACK INTO ENGLISH

I was supposed to say, "Let's go home again next week."

INTO JAPANESE

「来週また家に帰ろう」と言うことになっていた。

BACK INTO ENGLISH

I was supposed to say, "Let's go home again next week."