YOU SAID:

I have to go to soccer, tennis, and volleyball practice in three days from now/

INTO JAPANESE

今から3日以内にサッカー、テニス、バレーボールの練習に行かなければなりません。

BACK INTO ENGLISH

You must go to practice soccer, tennis, and volleyball within three days.

INTO JAPANESE

3日以内にサッカー、テニス、バレーボールを練習する必要があります。

BACK INTO ENGLISH

You need to practice soccer, tennis and volleyball within 3 days.

INTO JAPANESE

3日以内にサッカー、テニス、バレーボールを練習する必要があります。

BACK INTO ENGLISH

You need to practice soccer, tennis and volleyball within 3 days.