YOU SAID:

so one day a duck swam so far he died

INTO JAPANESE

ある日、アヒルがこれまで泳いで死んだ

BACK INTO ENGLISH

One day, a duck has ever swam and died

INTO JAPANESE

ある日、アヒルが泳いで死んだことがあります

BACK INTO ENGLISH

One day a duck swam and died

INTO JAPANESE

ある日、アヒルが泳いで死んだ

BACK INTO ENGLISH

One day a duck swam and died