YOU SAID:

I go to store to buy donut

INTO JAPANESE

僕は卵を買うためにお店に行く必要がある。

BACK INTO ENGLISH

I need to go to the store to buy some eggs.

INTO JAPANESE

僕は卵を買うためにお店に行く必要がある。

BACK INTO ENGLISH

I need to go to the store to buy some eggs.