YOU SAID:

that's something I never expected

INTO JAPANESE

それは私が予想していなかったことです

BACK INTO ENGLISH

That's something I didn't expect.

INTO JAPANESE

予想していなかったことだ

BACK INTO ENGLISH

That's what I didn't expect.

INTO JAPANESE

それが私の期待することだ

BACK INTO ENGLISH

That's what I expect.

INTO JAPANESE

それが私の期待することだ

BACK INTO ENGLISH

That's what I expect.