YOU SAID:

Everybody screamed when I kissed the teacher and they must have thought they dreamed

INTO JAPANESE

私が先生にキスをしたとき、誰もが悲鳴を上げ、彼らは彼らが夢を見ていると思ったに違いない

BACK INTO ENGLISH

When I kissed the teacher, everyone screamed and they must have thought they were dreaming

INTO JAPANESE

私が先生にキスをしたとき、誰もが叫び、彼らは彼らが夢を見ていると思ったに違いない

BACK INTO ENGLISH

When I kissed the teacher, everyone screamed and they must have thought they were dreaming