虚拟语气1、If Greek civilization hadn't influenced all of Europe
虚拟语气
1、If Greek civilization hadn't influenced all of Europe ,English wouldn't contain so many Greek words .
2、“If I hadn't practiced when I was younger ,”the musician says ,“I wouldn't be able to play so well now .”
这两个句子中If 引导的条件句的谓语动词形式都是:had +过去分词,主句的谓语动词形式却是would +动词原形,怎么理解这两个句子?