過去分詞にeat
答eaten
eat → ate → eaten
過去分詞にspeak
答spoken
speak → spoke → spoken
過去分詞にbreak
答broken
break → broke → broken
現在完了の文にI ( ) my key. (lose)
答have lost
完了の用法。have + lost
現在完了の文にShe ( ) us math for two years. (teach)
答has taught
継続の用法。has + taught
現在完了の文にI ( ) in this town for ten years. (live)
答have lived
継続の用法。have + lived
否定文にShe has known him since 2020.
答She has not known him since 2020.
has のうしろに not
否定文にThey have finished their homework.
答They have not finished their homework.
have のうしろに not
疑問文に→Yesで答えるWe have visited Kyoto three times.
答Have we visited Kyoto three times? ― Yes, we have.
Have を主語の前に。答えの主語は we
疑問文に→Yesで答えるHe has read this book twice.
答Has he read this book twice? ― Yes, he has.
Has を主語の前に。答えの主語は he