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* need→助動詞と一般動詞の2つの使い方がある
否定文、疑問文のみ
いつでも使って良い。
ex You need not study hard. (助動詞)
=
= You don't need to study hard. (一般動詞の不定詞)
有名な書き変えが完成.
=
don't have to
don't need to
= need not
=
It is
not necessary for 囚 to do