NEW TREASURE Stage3の誤文訂正・書き換え48問｜過去完了・関係詞・分詞構文・仮定法・倒置【全解答】

正しい英文：By the time we arrived, the lecture had already begun.

理由：過去のarrivedより前はhad begun。

正しい英文：She had been studying for two hours when the teacher called.

理由：過去完了進行形はhad been＋-ing。

正しい英文：He should have told me the news yesterday.

理由：should haveの後には過去分詞told。

正しい英文：The message may have been sent to the wrong address.

理由：送られる側なのでmay have been＋過去分詞。

正しい英文：The door had already been locked when we reached the room.

理由：指定された受動態はhad been locked。元のhad lockedも「ドアが自動で施錠された」という意味なら成立します。

正しい英文：We visited the museum last Sunday.

理由：last Sundayという特定の過去時点では過去形。

正しい英文：The team seems to have finished the report before yesterday’s meeting.

理由：seemsより前の完了をto have finishedで示す。

正しい英文：I will call you when I arrive at the station.

理由：未来の時を表すwhen節では通常現在形。

正しい英文：I don’t know where the club meets.

理由：間接疑問はwhere＋主語＋動詞の語順。

正しい英文：The teacher who helped us was patient.

理由：人を先行詞にする主格関係代名詞はwho/that。

正しい英文：That is the student whose father is a doctor.

理由：所有格の関係代名詞whose。

正しい英文：I wonder what she said during the interview.

理由：間接疑問では疑問文の倒置をしない。

正しい英文：This is the town that I visited last year.

理由：visitは他動詞で目的語を取る。that/which（省略も可）。

正しい英文：Please explain to me why the plan changed.

理由：explain to someone why … という語法。

正しい英文：The news that the school would close surprised everyone.

理由：newsの内容を表す同格that節。

正しい英文：I wonder if she knows the answer.

理由：名詞節のif（〜かどうか）は平叙文の語順。

正しい英文：The document written in English was easy to read.

理由：文書は書かれる側なので過去分詞written。

正しい英文：While I was walking to school, heavy rain started suddenly.

理由：分詞構文の動作主と主節の主語が不一致。

正しい英文：Having finished the survey, they checked the numbers.

理由：Having＋過去分詞finished。

正しい英文：I had my bike repaired at the shop.

理由：have＋目的語＋過去分詞＝修理してもらう。

正しい英文：The students were made to rewrite the paragraph.

理由：makeの受動態はbe made to do。

正しい英文：The results are being discussed by the committee.

理由：進行形の受動態being＋過去分詞。

正しい英文：The picture painted by my sister is on the wall.

理由：主節の単数主語pictureにis。

正しい英文：The manager asked me to submit the revised file.

理由：ask＋目的語＋to不定詞。

正しい英文：If I had known, I would have arrived earlier.

理由：過去の反事実はwould have＋過去分詞。

正しい英文：If I were you, I would ask first.

理由：現在の反事実ならIf I were you。

正しい英文：I wish I had studied harder before the test.

理由：過去への後悔はI wish＋過去完了。

正しい英文：She speaks as if she knew everything, but she clearly does not.

理由：knewで現在の事実とは異なる様子を表します。現在形knowsも使えますが、この問いでは仮定法過去への書き換えを練習します。

正しい英文：Unless you submit the form, you cannot join.

理由：指定の意味ではunless you submit＝if you do not submit。元のunless you don’t submitは条件の意味が逆になるため、ここではdon’tを除きます。

正しい英文：If it rains tomorrow, the event will be postponed.

理由：未来の条件節では通常現在形。

正しい英文：Without your advice, we might have made the same mistake.

理由：might have＋過去分詞made。

正しい英文：I would rather you had told me earlier yesterday.

理由：過去の事実に対する希望はwould rather＋過去完了。

正しい英文：The more carefully you read, the fewer mistakes you make.

理由：可算複数mistakesにはfewer。

正しい英文：This bag is twice as heavy as that one.

理由：twice as＋原級＋as。

正しい英文：Few of the students were ready.

理由：few of＋複数名詞は通常複数動詞were。

正しい英文：Not every student agreed with the change.

理由：every＋単数名詞。

正しい英文：Neither of the two options is suitable.

理由：two＋複数名詞options。

正しい英文：The equipment became safer after the repair.

理由：比較級saferにmoreを重ねない。

正しい英文：This choice is better than the first one.

理由：betterはgoodの比較級。

正しい英文：Not both answers are correct.

理由：指定の意味はNot both answers are correct。元の文は「両方とも不正解というわけではない」という別の意味になるため、ここではareの後のnotを除きます。

正しい英文：Never have I heard such an interesting idea.

理由：Neverを文頭に置くと助動詞と主語が倒置。

正しい英文：Not until I arrived home did I notice the mistake.

理由：Not until節前置なら主節でdid＋主語＋原形。

正しい英文：Only after class ended did we understand the instruction.

理由：Only＋副詞節の前置では主節が倒置。

正しい英文：It was at the station that I met her yesterday.

理由：強調構文はIt was … that …。

正しい英文：Although she was tired, she finished the assignment.

理由：despiteの後ろに節を直接置かずalthoughを使う。

正しい英文：Because the experiment failed, the club repeated it.

理由：because＋節、because of＋名詞句。

正しい英文：The sample was small; however, the students claimed it proved everything.

理由：接続副詞howeverをコンマだけで2独立節に接続しない。

正しい英文：Although the results looked promising, the group checked them again.

理由：althoughとbutを同じ構文で重ねない。