Question

月海

8番の問題で答えは③なのですが、なぜ④はだめなのでしょうか

7. Jack was ( ) by his dentist that he had a cavity in a back tooth.
Dsaid
spoken 3talked
told (*)
8. A sharp increase of problems related to cancellation of mobile telephone contracts ( ) by the
National Consumer Information Center.
Dhave reported were reported
has been reported
have been reported ()
Dgot married last year did momi
9. My sister ( ).

受動態 文法

Answer 1

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めい

A sharp increaseが主語で単数なので、動詞は③has been reported になると思います
④のhaveだと主語の数と合わないです🌟

月海

なぜcontractsまでが主語ではないのでしょうか…

めい

たしかに(A sharp increase ～contacts)までが主語のかたまりですけど、A sharp increase (of ～contacts)の後置修飾になっています

月海

なるほど！理解しました！ありがとうございます