YOU SAID:

Grammer Check Fail: I am pretty sure is is not grammatically correct...at least in the Midwest.

INTO JAPANESE

Grammer Check Fail：少なくとも中西部では文法的に正しいとは限りません。

BACK INTO ENGLISH

Grammer Check Fail: Not necessarily grammatically correct, at least in the Midwest.

INTO JAPANESE

Grammer Check Fail：少なくとも中西部では、必ずしも文法的に正しいとは限りません。

BACK INTO ENGLISH

Grammer Check Fail: Not necessarily grammatically correct, at least in the Midwest.