YOU SAID:

The cow shall soon eat grass.

INTO JAPANESE

牛は草を食べるすぐにしなければなりません。

BACK INTO ENGLISH

Cows eat grass and soon must be.

INTO JAPANESE

牛は草を食べるし、すぐにする必要があります。

BACK INTO ENGLISH

Cows eat grass and then immediately.

INTO JAPANESE

牛は草を食べるし、すぐに。

BACK INTO ENGLISH

Cows eat grass and then immediately.