【Dex Shih】評論

他當時喉嚨痛，用had 。如果他演講前，喉嚨已經痛了一段時間的話，用had had 不行嗎？

【Viva Lin】評論

重點提示：1. But that 是從屬連接詞，意為「要不是」或「若非」，引出副詞子句。若為現在事實用現在式，後接表相反於現在的主要子句；若為過去事實則用過去式，後接表相反於過去的主要子句。2. 相反於現在But that S V, S＋should (would, could, might)＋V…＝But for the fact that S V, S＋should (would, could, might)＋V…＝But for N, S＋should (would, could, might)＋V…＝Without N, S＋should (would, could, might)＋V…＝If it were not for N, S＋should (would, could, might)＋V…＝Were it not for N, S＋should (would, could, might)＋V…3. 相反於過去But that S V-ed, S＋should (would, could, might)＋have V-en…＝B...