YOU SAID:

i have nothing to do this summer

INTO JAPANESE

私はこの夏何があります。

BACK INTO ENGLISH

I this summer there.

INTO JAPANESE

私はこの夏。

BACK INTO ENGLISH

This summer I.

INTO JAPANESE

これは、夏の私。

BACK INTO ENGLISH

This is my summer.

INTO JAPANESE

これは私の夏です。

BACK INTO ENGLISH

This is my summer.