英語 · 単語

be

である

意味

• 助動詞 · A1

  Used to link a subject with a description, role, or state, or to tell someone how to act.

  Be careful when you cross the street.

• 助動詞 · A2

  Used with another verb to form continuous tenses or passive sentences.

  The package will be delivered tomorrow.

• 助動詞 · A1

  Used to say that someone or something is present in a specific place.

  I will be at the office until five o'clock.