假設語氣
1.與現在事實相反
If+主詞+過去式 , 主詞+could/should/would/might+原形動詞
2.與過去事實相反
If+主詞+had+過去分詞 , 主詞+could/should/would/might+have+過去分詞
46 If I ____ the first prize, I would gi..-阿摩線上測驗