比较结构里*常见的两个副词连接词是than和as,因此它们后面连接的是与主干结构完全相同的状语从句。 该状语从句修饰比较副词as，状语从句的结构和主干完全相同。一般比较结构，指的是使用副词连接词than引导的比较结构。 比较结构的省略在该比较结构中，状语从句的结构一般和主干完全相同，但为了使句式更简洁，避免重复，往往仅保留比较对象，其它部分均可以省略。比较结构的省略对中国学生来说，往往是一大难点。He is more handsome than David is handsome. = He is more handsome than David.Than引导的状语从句中，若有be动词，情态动词（can、will、shall、should等），助动词（have, has等），这些动词都可以保留。若为一般行为动词，则这些动词用助动词do的各种变体来代替。当然，所有的动词都可以省略。He is less intelligent than you (are).He can work more carefully than you (can).He sang more harmonically than you (did). 课堂练习.About the closest any research has come to supporting the tiredness theory is to confirm that adults yawn more often on weekdays than at weekends, and that school children yawn more frequently in their first year at primary school than they do in kindergarten.比较结构的对象 比较结构中通常对象是不同的人或物，对比较对象的判断往往是中国学生比较难以把握的难点。1）比较的对象可以是自己。She looks more beautiful than she is. 她看起来比实际年轻。2）比较的对象可以是过去的自己，如果时态不同，则than引导的从句的主语及后面的be动词、情态动词、和助动词不可省略。He is healthier than he was.他比以前健康。She can dance better than she could. 他比从前舞蹈跳得好。He works harder than he did. 他比以前更努力。课堂练习.About the closest any research has come to supporting the tiredness theory is to confirm that adults yawn more often on weekdays than at weekends, and that school children yawn more frequently in their first year at primary school than they do in kindergarten.3）在自行比较结构中，若主句及than从句中均有对等的介词短语，than之后的主语及动词或助动词可以省略。He is happier with Mary than he is (happy) with Rose. = He is happier with Mary than with Rose.He is more interested in English than he is (interested) in French.=He is more interested in English than in French.课堂练习A population of oaks is likely to be relatively stable through time, and its survival is likely to depend more on its ability to withstand the pressures of competition or predation than on its ability to take advantage of chance events.注意：介词短语对称时，第二个短语的介词千万不可省略，否则会造成对象的错误比较。He is more interested in English than French. （错）他和法语不能比较。4）在自行比较结构中，than从句中由另一个when引导的状语从句修饰时，than之后的主语及动词或助动词可以省略。He is much taller than he was when I saw him ten years ago. = He is much taller than when I saw him ten years ago.课堂练习Seldom is the weather more dramatic than when thunderstorms strike.5）“主语 + 介词短语”或“所有格 + 主语”极易形成对象的错误比较，应该注意避免。课堂练习The tradition of religious sculpture extends over most historical periods but is less clearly delineated than that of stonewares or porcelains, for it embraces the old custom of earthenware burial ceramics with later religious images and architectural ornament.注意同范围及不同范围的比较同范围某人或物属于同一团体或种类，如果要将之与该团体或种类的其它所有分子作比较时，采用下列句型，以避免将该人或物形成重叠比较：John is better than any other student/all the other students/all the others /anyone else in his class. John比他班上的其他同学优秀。Shanghai is bigger than any other city/ all the other cities in China.上海比中国其它城市要大。不同范围如果做不同范围的比较时，则不需要加other一词。John is better than any student/all the students/all the others /anyone in Rose’s class.Shanghai is bigger than any city/ all the cities in USA.比较结构的简化比较结构中，若主句的谓语动词和从句的谓语动词相同时，从句中的动词可以改为do、does、did等助动词。I love you than he loves you. = I love you than he does you.注意：I love you than Rose. 这句话有两个意思，可以看作I和Rose比：I love you than Rose loves you. （我比Rose更爱你。）也可以看作you和Rose比：I love you than I love Rose. （我爱你比爱Rose更多。）因此，这两句可以分别改为:I love you than Rose loves you. = I love you than Rose does.(does不能省)I love you than I love Rose. = I love you than I do Rose.课堂练习.About the closest any research has come to supporting the tiredness theory is to confirm that adults yawn more often on weekdays than at weekends, and that school children yawn more frequently in their first year at primary school than they do in kindergarten.本身具有*高意义的形容词有些形容词或副词，本身就有“至极”或“*高级”的意味，则不能使用在比较级结构中。比如：perfect（完美的），sublime（卓越的），noble（高贵的），extreme（极度的），superb（极好的），excellent（特优的）等。I speak English more perfectly than David.（错）Perfectly已经“完美无缺”了，故无比较级。本身具有*高意义的形容词某些-ior结尾的形容词本身具有比较级的味道，不需要用“more…than…”或“less…than…”修饰，而要与介词to连用。比如：Be superior to比…优越的Be inferior to比…差的Be senior to比…地位高的Be junior to比…地位低的Even though He is superior to his other classmates, he is not arrogant.Rose is senior to her boyfriend in the company.初高中生英语考试长难句怎么学？今天关于比较结构的长难句干货讲解大家get了吗？文章篇幅有限，关于同级比较结构的详细解说下期见哦，后续更多实用《雅思托福通用长难句解析方法》内容会持续更新，记得常来看看呀！如果想更系统地吃透英语长难句，可别错过蒲公英《托福与雅思精讲精练30天》 ！实体书+配套视频课+专属知识点练习解析答疑，一站式解决你的备考难题～有需要的小伙伴，联系课程顾问老师就能了解初高中生英语考试长难句具体信息啦！如果觉得本篇文章有用的话，欢迎点赞和转发给你身边需要的人呀~【雅思托福通用长难句解析方法】实体书+配套视频课+专属知识点练习解析答疑👇👇👇
