YOU SAID:

He had dinner with his wife on Thursday.

INTO JAPANESE

彼は木曜日に彼の妻と夕食を食べた。

BACK INTO ENGLISH

He ate dinner with his wife on Thursday.

INTO JAPANESE

彼は木曜日、彼の妻と夕食を食べた。

BACK INTO ENGLISH

He ate dinner with his wife on Thursday,.

INTO JAPANESE

彼は木曜日、彼の妻と夕食を食べた。