雅思英語閱讀中最讓人頭痛的就是長難句了，其實只要找到了主句，就好分析了，西面是小編整理的長難句分析，歡迎大家閱讀!
● 題目：
Soon he would also discover a number of other remarkable facts about how bees communicate and, in doing so, revolutionize the study of animal behavior generally.(劍4, General Training Test B section 3)
● 分析：
本句的主句爲“he would also discover a number of other remarkable facts about…and revolutionize the study of animal behavior generally”;“how bees communicate”爲how引導的賓語從句，做介詞about的賓語。。
● 題目：
The scent she carried in her samples and on her body was a message to the other bees that this was the one they were looking for.(劍4, General Training Test B section 3)
● 分析：
本句的主句爲“The scent was a message to the other bees”;“she carried in her samples and on her body”爲定語從句，做The scent的定語，關係詞在定語從句中做賓語，因此被省掉;“that this was the one they were looking for”爲that引導的同位語從句，做a message的同位語;“they were looking for”爲定語從句，做the one的定語，關係詞在定語從句中做for的賓語，因此被省掉。
● 題目：
A few years ago, in one of the most fascinating and disturbing experiments in behavioural psychology, Stanley Milgram of Yale University tested 40 subjects from all walks of life for their willingness to obey instructions given by a ‘leader' in a situation in which the subjects night feel a personal distaste for the actions they were called upon to perform.(劍5, Test 1 passage 2)
● 分析：
本句主句爲“Stanley Milgram of Yale University tested 40 subjects from all walks of life for their willingness to obey instructions given by a ‘leader' in a situation”;“A few years ago, in one of the most fascinating and disturbing experiments in behavioural psychology”爲狀語;“in which the subjects night feel a personal distaste for the actions they were called upon to perform”爲定語從句，做a situation的定語，關係詞爲which, 其中“they were called upon to perform”也爲定語從句，做the actions的定語，關係詞在該定語從句中做賓語，因此被省掉。
● 題目：
James Boswell, his biographer, described the garret where Johnson worked as ‘fitted up like a counting house' with a long desk running down the middle at which the copying clerks would work standing up.(劍5, Test 1 passage 1)
● 分析：
本句主句爲“James Boswell described the garret as ‘fitted up like a counting house' with a long desk.”;“his biographer”爲James Boswell的同位語;“where Johnson worked”爲定語從句，做the garret的定語，關係詞爲where; “running down the middle”爲現在分詞短語做定語，做a long desk的定語;“at which the copying clerks would work standing up”爲定語從句，做long desk的.定語，關係詞爲which。
● 題目：
The fact that Johnson had taken on the Academies of Europe and matched them (everyone knew that forty French academics had taken forty years to produce the first French national dictionary) was cause for much English celebration.(劍5, Test 1 passage 1)
● 分析：
本句的主句爲“The fact was cause for much English celebration”;“that Johnson had taken on the Academies of Europe and matched them”爲that引導的同位語從句，做The fact的同位語;括號中部分起到解釋說明的作用。
● 題目：
He was also helped by six assistants, two of whom died whilst the dictionary was still in preparation.(劍5, Test 1 passage 1)
● 分析：
本句主句爲“He was also helped by six assistants”;“two of whom died whilst the dictionary was still in preparation”爲定語從句，做six assistants的定語，關係詞爲whom;在定語從句中，“whilst the dictionary was still in preparation”爲whilst引導的時間狀語從句。
