YOU SAID:

He wore a kilt to the party

INTO JAPANESE

彼はパーティーにキルトを着ていた

BACK INTO ENGLISH

He wore a kilt at the party

INTO JAPANESE

彼はパーティーでキルトを着ていました

BACK INTO ENGLISH

He wore a quilt at the party

INTO JAPANESE

彼はパーティーでキルトを着ていました

BACK INTO ENGLISH

He wore a quilt at the party