YOU SAID:

My friend was playing minecraft for the last 24 hours

INTO JAPANESE

私の友達は過去 24 時間マインクラフトをプレイしていました

BACK INTO ENGLISH

My friend has been playing Minecraft for the last 24 hours

INTO JAPANESE

私の友人は過去 24 時間 Minecraft をプレイしています

BACK INTO ENGLISH

My friend has been playing Minecraft for the last 24 hours