YOU SAID:

a dog will eat a bird that takes the cow's grass

INTO JAPANESE

犬は牛の芝生を取る鳥を食べるでしょう

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The dog will eat a bird that takes the cow lawn

INTO JAPANESE

犬は牛の芝生を取る鳥を食べるようになる

BACK INTO ENGLISH

The dog comes to eat birds that take the cow lawn

INTO JAPANESE

犬は牛の芝生を取る鳥を食べるようになる

BACK INTO ENGLISH

The dog comes to eat birds that take the cow lawn