must の文にMy mother speaks French.
答My mother must speak French.
must のうしろは原形。speaks → speak
must の文にHe gets up at six every day.
答He must get up at six every day.
must のうしろは原形。gets up → get up
must の文にKate reads many books.
答Kate must read many books.
must のうしろは原形。reads → read
have to を使ってMy uncle must write e-mails in English.
答My uncle has to write e-mails in English.
主語が三人称単数なので has to
have to を使ってShe must come to school early.
答She has to come to school early.
主語が三人称単数なので has to
have to を使ってMy aunt must make delicious cakes.
答My aunt has to make delicious cakes.
主語が三人称単数なので has to
否定文にKen should take pictures of birds.
答Ken should not take pictures of birds.
should のうしろに not。動詞は原形のまま
否定文にHe should drink milk every morning.
答He should not drink milk every morning.
should のうしろに not。動詞は原形のまま
並べかえ私は今日宿題をしなければなりません。
[ I / homework / do / must / today / my ]
答I must do my homework today.
主語 → 動詞 → そのあと の順に並べる
並べかえあなたはもっと野菜を食べるべきです。
[ should / more / vegetables / eat / you ]
答You should eat more vegetables.
主語 → 動詞 → そのあと の順に並べる