i knew that my turn had come.这是新概念二上面的一句话,为什么用had+动词原型这个用法?就是不明白had为什么加动词原型啊

英语翻译求翻译 i.knew.that.my.turn.had.come. I knew that my turn had come为什么用knew后面为什么用had come I knew that my turn had come为什么用knew这是新概念2里的 I knew that my turn had come我知道这次该轮到我了!my turn是什么意识 I knew that my turn had come.如何运用：轮到～（某人某物）最好有例子! 帮忙分析下面两个英语句子结构I knew that my turn had comeIt must terrible to be grown up 改成I know that my turn have come原句是i knew that?my turn had come 我改成标题这样的对不?my turn has come是什么时态？ Twenty people had already left .I knew that my turn had come.为什么不能说I know that my tuen hadTwenty people had already left .I knew that my turn had come.为什么不能说I know that my tuen had come是不是说前句是过去完成时 所 新概念英语第2册第15课有疑问?Twenty people had already left.I knew that my turn had come.尤其“I knew that my turn had come.”可以解释下每个单词的含义吗?为什么用“my turn”? I knew that my turn had come.这句话怎样理解后面的had 为什么用had?而且had后面come为什么用原型?不懂诶. 英语翻译The Fray - Over My Head I never knew I never knew that everything was falling through That everyone I knew was waiting on a queue To turn and run when all I needed was the truth But that's how it's got to be It's coming down to nothing mo knew that my turn had come请问这里的had come怎么解释?have+done请问是什么时态? i knew that my turn had come.这是新概念二上面的一句话,为什么用had+动词原型这个用法?就是不明白had为什么加动词原型啊 I could tell that she knew about my family's trouble. That's How I Knew This Story Would Break My Heart now,i knew that there was a world beyond my day-to-day life in Japan. 英语翻译First time I saw you,I knew right awayMade up my mind,you would be mine somedayYou know I need you,so don't turn away'Cause at the end of the day,I'll be alrightStill I'm praying that you'll change your mindI'll be okay'Cause you'll come It's those little things left undone that would make me angry if I knew that my hours were limited.