書名：金色證書 模測2
頁數：P.24 135題
題目：Although it is not necessary for our workers to participate in the
      training workshop every year, management would prefer that they ____ so.
      (A) be done
      (B) had done
      (C) did
      (D) would do

疑問：答案是C，為什麼B和D不行呢? 解答是寫假設語氣應填過去式，不太了解。

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◆ From: 1.167.180.173
※ 編輯: gogomanX        來自: 1.167.180.173        (01/08 19:45)
推 kryolanfans :假設現在: 過去式 did
→ kryolanfans :假設過去: 過去完成式 had done
→ kryolanfans :假設未來: would do
→ kryolanfans :由前句的every year跟知道是一個反覆的狀況，故使用
→ kryolanfans :現在式，而此為假設語氣，所以選用did
推 kryolanfans :舉例來說今年是2014年，我要說我希望Alice有參加2013
→ kryolanfans :年的訓練，可是她沒有，因為我要假設過去的事情，因
→ kryolanfans :此使用過去完成式，I would prefer that Alice had p
→ kryolanfans :articipated in the training
推 kryolanfans :條件句(would),與現在事實相反，結果子句為would+原
→ kryolanfans :型，而if子句用過去簡單式
→ gogomanX    :謝謝樓上講解 我了解了
推 germanyking :好詳細的解說!!!