YOU SAID:
"Have you already decided what you're going to do next Monday?"
INTO JAPANESE
「来週の月曜日に何をするかはもう決めましたか?」
BACK INTO ENGLISH
Have you decided what you're going to do next Monday yet?
INTO JAPANESE
来週の月曜日に何をするかはもう決めましたか?
BACK INTO ENGLISH
Have you decided what you're going to do next Monday?
INTO JAPANESE
来週の月曜日に何をするか決めましたか?
BACK INTO ENGLISH
Have you decided what you're going to do next Monday?
That didn't even make that much sense in English.