YOU SAID:

When would you like dinner?

INTO JAPANESE

いつ夕食を食べますか？

BACK INTO ENGLISH

When are you going to have dinner?

INTO JAPANESE

いつ夕食を食べますか。

BACK INTO ENGLISH

When are you going for dinner?

INTO JAPANESE

いつ夕食に行きますか。

BACK INTO ENGLISH

When are you going for dinner?