YOU SAID:
will planning ever happen?
INTO JAPANESE
計画はいつまでに起こりますか?
BACK INTO ENGLISH
How soon will the plan occur?
INTO JAPANESE
計画はいつまでに行われますか。
BACK INTO ENGLISH
How soon will the plan be held?
INTO JAPANESE
計画はいつまでに開催されますか。
BACK INTO ENGLISH
How soon will the plan be held?
Come on, you can do better than that.