YOU SAID:

who ever threw the paper your mom is ____

INTO JAPANESE

あなたのママが紙を投げたことがある人は____です

BACK INTO ENGLISH

Your mom has thrown ____ paper

INTO JAPANESE

あなたのお母さんは____枚の紙を投げました

BACK INTO ENGLISH

Your mother threw ____ sheets of paper

INTO JAPANESE

あなたの母親は____枚の紙を投げました

BACK INTO ENGLISH

Your mother threw ____ sheets of paper