This structure is used to express that an action or event is performed by an unspecified or unnecessary-to-mention agent. It is often used in announcements and news.今年の人気商品が発表されました。
Noun + は + information + ですN5
This sentence pattern is used to introduce or affirm information about the topic mentioned by the noun preceding “は”.1位は大阪・関西万博です。
Verb in た form + ことが + ありますN5
This pattern is used to talk about experiences of having done something in the past. (Note: This pattern does not appear in the passage, only list the patterns that actually appear.)
Noun + の + NounN5
This pattern is used to connect two nouns together, with the first noun modifying the second noun.歌舞伎の映画です。