過去分詞にspeak
答spoken
speak → spoke → spoken
過去分詞にbreak
答broken
break → broke → broken
過去分詞にfind
答found
find → found → found
過去分詞にwin
答won
win → won → won
受動態にThe students cleaned the classroom.
答The classroom was cleaned by the students.
was + cleaned + by ~
受動態にA famous singer sang this song.
答This song was sung by a famous singer.
was + sung + by ~
受動態にMy uncle built that house.
答That house was built by my uncle.
was + built + by ~
否定文にThese pictures were taken by Emi.
答These pictures were not taken by Emi.
were のうしろに not
否定文にAll the cakes were eaten by the children.
答All the cakes were not eaten by the children.
were のうしろに not
疑問文に→Yesで答えるEnglish was spoken by Ms. Green.
答Was English spoken by Ms. Green? ― Yes, it was.
Was を主語の前に。答えの主語は it