asas原级比较句型难点解析原级比较句型难点解析1课堂使用对于对于asas这一句型，大多数学生比这一句型，大多数学生比较熟悉，比如，要用英语表达较熟悉，比如，要用英语表达“我和你年我和你年龄一样大龄一样大”，可以说：，可以说：“I am as old as you”. 两个两个as 之间用形之间用形/副原级。副原级。完整结构：完整结构：I am as old as you are old.A+ 系动词系动词+as +形容词+ as+ B+系系+形形1) as是副词，是副词，as是连词是连词2）B后面如果没有省略成分，后面如果没有省略成分，那么会有哪些变体。那么会有哪些变体。2课堂使用情况一情况一 前后形容词不同，系动词相同前后形容词不同，系动词相同This room is as wide as that room is long.这个房间的宽度等于那个房间的长度这个房间的宽度等于那个房间的长度What a table! I have never seen such a thing before. It is not half as wide as it is long.这个桌子的宽度还不到长度的一半这个桌子的宽度还不到长度的一半3课堂使用世界上最深世界上最深的山洞，其的山洞，其深度几乎是深度几乎是埃菲尔铁塔埃菲尔铁塔高度的高度的6倍倍The worlds deepest cave is almost 6 times as deep as the Eiffel tower is high4课堂使用情况二 as前后形容词相同，但系动词不前后形容词相同，但系动词不同同 句子一句子一 句子二句子二Mike is not as good as he looksMike doesnt look as good as he is只能省略只能省略as后面的形容词后面的形容词5课堂使用注注：如果：如果as前后形容词相同，系动词也前后形容词相同，系动词也相同，可以省去相同，可以省去as前后形容词和系动词。前后形容词和系动词。如：如： A man is about as big as the things that make him angry.从让一个人生气的事情大小就能看出一从让一个人生气的事情大小就能看出一个人的气量大小。个人的气量大小。big 修饰修饰Sb. 表表“大度的，宽容的大度的，宽容的”，修，修饰饰Sth. 表表“大的大的”。6课堂使用情况三情况三 在不同条件下主语自身不同状况的在不同条件下主语自身不同状况的比较比较 My mind isnt as sharp in the afternoon as in the morning.下午我的脑子反应不如上午灵敏下午我的脑子反应不如上午灵敏情况四情况四 as+ 形形+a (an) +单名单名+asA lion is just as dangerous and fierce an animal as a tier.7课堂使用高考链接高考链接1. Its said that the power plant is now _large as what it was. A. twice asB. as twiceC. twice muchD. much twiceA2. Our neighbor has_ ours.A.as a big house as B.B. as big a house as C.C. the same big house as D. D. a house the same big asB8课堂使用3. Peters jacket looked just the same as Jacks, but it cost almost three times_.A. as much B. as many C. so much D. so many4. According to statistics, a man is more than twice as likely to die of skin cancer _ a woman.A. than B such C. so D asAD9课堂使用10课堂使用11课堂使用12课堂使用13课堂使用14课堂使用Thanks for your attention!15课堂使用