YOU SAID:

i went to walmart and got an electric toothbrush

INTO JAPANESE

私はウォルマートに行き、電動歯ブラシを手に入れた

BACK INTO ENGLISH

I went to Wal-Mart and got electric toothbrushes

INTO JAPANESE

私は、Wal-Mart に行って、電動歯ブラシを持って

BACK INTO ENGLISH

I went to Wal-Mart and had an electric toothbrush

INTO JAPANESE

私はウォルマートに行き、電動歯ブラシを持っていました

BACK INTO ENGLISH

I went to Wal-Mart and had an electric toothbrush