YOU SAID:

when is the next bus coming

INTO JAPANESE

次のバスはいつ来るの

BACK INTO ENGLISH

When will the next bus come?

INTO JAPANESE

次のバスはいつ来ますか。

BACK INTO ENGLISH

Can you tell me when the next bus will arrive?

INTO JAPANESE

次のバスはいつ来ますか。

BACK INTO ENGLISH

Can you tell me when the next bus will arrive?