《原级比较详解》PPT课件.ppt

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1、asas原级比较句型难点解析,对于asas这一句型，大多数学生比较熟悉，比如，要用英语表达“我和你年龄一样大”，可以说：“I am as old as you”.两个as 之间用形/副原级。完整结构：I am as old as you are old.A+系动词+as+形容词+as+B+系+形,1)as是副词，as是连词2）B后面如果没有省略成分，那么会有哪些变体。,情况一 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,What a table!I have never seen such a

2、 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,世界上最深的山洞，其深度几乎是埃菲尔铁塔高度的6倍,The worlds deepest cave is almost 6 times as deep as the Eiffel tower is high,情况二 as前后形容词相同，但系动词不同,句子一,句子二,Mike is not as good as he looks,Mike doesnt look as good as he is,只能省略as后面的形容词,注：如果as前后形容词相同，系动词也相同

3、，可以省去as前后形容词和系动词。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个人的气量大小。big 修饰Sb.表“大度的，宽容的”，修饰Sth.表“大的”。,情况三 在不同条件下主语自身不同状况的比较,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,情况四 as+形+a(an)+单名+as,A lion is just as dangerous and fierce an animal

4、as a tier.,高考链接,1.Its said that the power plant is now _large as what it was.,A.twice as,B.as twice,C.twice much,D.much twice,A,2.Our neighbor has_ ours.,as a big house as B.as big a house as C.the same big house as D.a house the same big as,B,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 as,A,D,Thanks for your attention!,