過去分詞にhold
答held
hold → held → held
過去分詞にwear
答worn
wear → wore → worn
過去分詞にchoose
答chosen
choose → chose → chosen
現在完了の文にHe ( ) this book twice. (read)
答has read
経験の用法。has + read
現在完了の文にThey ( ) their homework. (finish)
答have finished
完了の用法。have + finished
現在完了の文にMy sister ( ) her room. (clean)
答has cleaned
完了の用法。has + cleaned
否定文にI have studied English for six years.
答I have not studied English for six years.
have のうしろに not
否定文にKen has been busy since yesterday.
答Ken has not been busy since yesterday.
has のうしろに not
疑問文に→Yesで答えるYou have seen this movie before.
答Have you seen this movie before? ― Yes, I have.
Have を主語の前に。答えの主語は I
疑問文に→Yesで答えるShe has eaten natto once.
答Has she eaten natto once? ― Yes, she has.
Has を主語の前に。答えの主語は she