【Rachel】評論

與過去事實相反的假設 (一)對於過去事件原因結果的事實假設為相反 附屬子句用過去完成式，且主要子句可以單獨使用 句構: If+S+had+p.p.,S+would,should,could,might+p.p.... 

【supermain】評論

這題答案不是應該是(A)If嗎？？

【whale66622】評論

[假設語氣] if 變形-省略到裝型【與過去事實相反】 If I had had enough time ,I would have gone shopping with you. =Had I had enough time, I would have gone shopping with you.Had + S. + (P.P. )， S.+would have + (P.P).如果要選A，應該更改主要子句如下：[假設語氣] if 變形-省略到裝型【與現在事實相反】 If I had enough time ,I would go shopping with you.=Had I enough time, I would go shopping with you.(P.P. )+ S.， S.+would have + (P.P)....