《原级比较详解》PPT课件.ppt

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 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，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 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!,