YOU SAID:

this seemed as it might have been that sign of school

INTO JAPANESE

これは学校のその看板だったかもしれないと思われた

BACK INTO ENGLISH

It seemed that this might be the sign of the school

INTO JAPANESE

これは学校のサインかもしれないようだった

BACK INTO ENGLISH

This seemed to be a sign of school

INTO JAPANESE

これは学校の兆候と思われた

BACK INTO ENGLISH

This seemed to be a sign of school