新航道上海學校SAT培訓班小編繼續給大家帶來SAT文法第五期，每期分享3-5個文法知識點，幫助大家更好地備考SAT。

  一、動詞

  虛擬語氣

  1. 含義：

  虛擬語氣用來表示說話人所說的話并不是事實,而是一種假設、愿望、懷疑或推測。

  例如：If I were in charge of developing drugs for COVID-19, I would want the pandemic to end as soon as possible.

  注：in charge of負責;pandemic n. 流行病

  2. 用法：

  (1) 與事實相反

  (1) 與事實相反

  a)與現在事實相反

  i.定義：與現在的事實情況不一致。

  ii.動詞形式：if sb did/ were , sb would do.

  iii.注意：無論單復數，be動詞一律用were。

  iv.例句：

  1. If Tom won the prize, he would buy the new luxury house.

  2. If I were a fish, I would swim to the ocean.

  b)與現在過去相反

  i.定義：與過去的事實情況不一致。

  ii.動詞形式：if sb had done, sb would have done.

  iii.例句：

  1. If he had got up early, he would have not missed the show.

  2. If Mary had eaten that fries, she would have not lose some weight.

  c)與將來過去相反

  i.定義：與將來的事實情況不一致。

  ii.動詞形式：if sb did/were to do/ should do, sb would do.

  iii.例句：

  1. If Jack were to come, what should we say to him?

  2. If it should rain, the game would be put off.

  例題檢測

  例題檢測1

  Undoubtedly, more voters in the urban areas will have voted for Julia Morton if she had taken a less conservative stand on zoning codes than she did.

  A. NO CHANGE

  B. voted

  C. voting

  D. would have voted

  解析：通過she had taken看出是虛擬語氣中與過去事實相反的考點，根據if sb had done, sb would have done的規則，前面的句子需要時would have done的形式，所以排除A/B/C三個選項，所以選D。

  例題檢測2

  Little doubt is the fact that many supporters in the countryside had championed the presidential candidate for his agricultural policy if he promised to raise the price of their products.

  A. NO CHANGE

  B. would champion

  C. will champion

  D. championed

  解析：通過he promised看出是虛擬語氣中與現在事實相反的考點，根據if sb did, sb would do的規則，前面的句子需要時would do的形式，所以排除A/C/D三個選項，所以選B。

  例題檢測3

  (Khan-P202-Q9) If the field of patient advocacy were to argue its current lack of regulation, it would continue to attract individuals with a variety of backgrounds and skill sets.

  A. NO CHANGE

  B. argued

  C. would argue

  D. had argued

  解析：通過it would continue看出是虛擬語氣中與將來事實相反的考點，根據if sb were to do, sb would do的規則，前面的句子需要時were to do的形式，所以排除B/C/D三個選項，所以選A。

  注：Khan-P202-Q9為可汗文法57篇202頁第9題。

  真題檢測4

  (2019-03NA-Q32) If artists were to receive medals during the Olympic Games just as athletes do, and if the competitions were broadcast to the estimated four billion views tuning in worldwide, talented artists such as Linson were reaching a much broader audience.

  A. NO CHANGE

  B. had reached

  C. will reach

  D. would reach

  解析：通過the competitions were看出是虛擬語氣中與現在事實相反的考點，根據if sb were, sb would do的規則，后面的句子需要時would do的形式，所以排除A/B/C三個選項，所以選D。

  注：2019-03NA-Q32為2019年3月北美真題32題。

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