谁能解释一下“让步状语从句”和“比较状语从句”?

谁能解释一下“让步状语从句”和“比较状语从句”?

让步状语从句要点:表示让步的状语从句由连词 though,although引导.难点：lthough,although当虽然讲,都不能和but连用.Although,(though)…but的格式是不对的.但是他们都可以同yet (still) 连用.所以thought (although)…yet(still)的格式是正确的.lWrong:Although he is rich but he is not happy.Right :Although he is rich,yet he is not happy.虽然他很富有,然而他并不快乐.lRight :Although we have grown up,our parents treat us as children.Right :Although we have grown up,our parents still treat us as children.尽管我们已经长大了,可是我们的父母仍把我们看作小孩.although,though 辨析although 不能though 那样用作副词,放在句末表示强调时要用even though.lHe is looking fit,though.但是,他看上去很健康.考点lEven though I didn’t under a word,I kept smiling.尽管我一个字也不懂,我还是一直微笑着.lHe is quite experienced,he is young,though.尽管他很年轻,他很有经验.比较状语从句要点：比较状语从句主要运用于形容词和副词的原级,比较级及最高级的句子之中.原级1.as…as 和.一样Jack is as tall as Bob.捷克和汤姆一样高.2.not so(as)…as …和不一样She is not so(as)outgoing as her sister.她不如她姐姐外向.比较级more…than (更)This book is more instructive than that one.这本书比那本书由教育意义.最高级1.The most…in/ofThis book is the most interesting of the three.这本书是三本中最有趣的.2.the + 形容词+est…of/inThis road is the busiest street in our city.这条路是我们城市最繁忙的街道.知识扩展lno more than只不过(嫌少的意思)I have no more than two pens.我只有两支笔.It’s no more than a mile to the shops.去商店不过一英里.lnot more than不如.；(前者不如后者)Jack is not more diligent than John.捷克不如约翰勤奋.lone of the + 名词(复数)….之一(用于最高级)Han Mei is one of the best students in our school.韩梅是我们学校最好的学生之一.

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