Section 2 Notes to difficult sentences from Unit 5 Musics
1. Have you ever dreamed of playing in front of thousands of people at a concert, at which everyone is clapping and appreciating your music? 你梦想在成千上万的人面前举办音乐会，人人都为你喝彩，赞颂的音乐？
本句at which 引导的是非限制性定语从句，可以改写为：Have you ever dreamed of being in front of thousands of people at a concert, with everyone clapping and appreciating your music?
With复合结构中的everyone和clapping是逻辑主谓关系。复合结构的构成：with+宾语+宾语补足语，构成with复合结构，宾语可以是名词或是代词，宾语补足语可以是介词短语、过去分词、现在分词、形容词、动词不定式、副词。且with后面的宾语与其后的宾语补足语有逻辑上的主谓关系。
1)With+宾语+介词短语He was asleep with his head on his arms.
2)with+宾语+过去分词(宾语与宾补之间是被动关系) All the afternoon he worked with the door locked. He lay in bed with his head covered.
3)with+宾语+现在分词(宾语与宾补之间是主动关系) With winter coming on，it's time to buy warm clothes.
4)with+宾语+to do(不定式做宾补有“将来”的含义) I can't go out with all these dishes to wash.
5)with+宾语+形容词/副词With John away，we've got more room. Anderson was lying on the bed with all his clothes on.
2. They may start as a group of high-school students, for whom practicing music in someone’s house is the first step to fame. 开始的时候他们往往是中学生组合，对于他们来说，在某个同学家练习是走向成功的第一步。
句中for + whom 引导的是定语从句。“介词 + 关系代词”中的介词主要有以下三种确定方法：
根据定语从句中的谓语动词或形容词来选用介词。如：The fellow to whom I spoke made no answer at first. (speak to) The West Lake, for which Hangzhou is famous, is a beautiful place. (be famous for)
根据先行词来确定介词。如：In his room, we saw a big table on which there were all kinds of books. (on the table) Yesterday we had a meeting at which we discussed many problems. (at the meeting)
根据定语从句所表达的意义来确定介词。如：Air, without which man can't live, is really important. In front of the house Tom is planting a tree, under which he will be able to sit and read some day.
3. However, there was one band that started in a different way. 然而有一个乐队起步的方式就不一样。
句中however是连词，表示转折，可以放在句首或者句中。例如：I thought those figures were correct. However, I have recently heard they were not. 我原以为那些数字正确无误。不过我最近听说并不正确。 However does he manage to write music when he is so deaf? 他聋成这个样子，究竟是怎样从事作曲的呢？ His first response was to say no. Later, however, he changed his mind. 他最初的反应是不同意。可是後来他改变了主意。 She felt ill. She went to work, however, and tried to concentrate. 她病了。然而她照旧去上班，并且尽力集中精神工作。However I approached the problem, I couldn't find a solution. 这一问题我不管怎样都无法解决。
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