比较级语法讲解PPT课件.ppt

《比较级语法讲解PPT课件.ppt》由会员分享，可在线阅读，更多相关《比较级语法讲解PPT课件.ppt（13页珍藏版）》请在三一文库上搜索。

1、 大多数形容词和副词有三个等级：大多数形容词和副词有三个等级：原级原级,即原形即原形 比较级比较级,表示表示“较较”；“更更”最高级，表示最高级，表示“最最”的意思。的意思。Grammar形容词和副词的比较级形容词和副词的比较级 构成的规则变化构成的规则变化:1.单音节词和少数双音节词一般在单音节词和少数双音节词一般在词尾加词尾加 er eg.cold colder old older一、形容词的比较级变化形式一、形容词的比较级变化形式 2.重读闭音节词末尾只有一个辅音字母时重读闭音节词末尾只有一个辅音字母时,先双写这个辅音字母先双写这个辅音字母,再加再加-er.big bigger thin

2、 thinner 3.以以“辅音字母辅音字母+y”结尾的双音节词，先结尾的双音节词，先改改y为为i,再加再加-er或或-est。easy easier happy happier 4.多音节词和部分双音节词在词前加多音节词和部分双音节词在词前加 more。eg.delicious more delicious interesting more interesting serious-more serious 构成的不规则变化构成的不规则变化:eg.good/well better bad/badly worse many/much more little less far farther/fu

3、rther 1.表示两者表示两者(人或事物人或事物)的比较。的比较。eg.I am taller than Tom.My dress is more beautiful than hers.二、形容词的比较级的用法二、形容词的比较级的用法2.在形容词比较级前还可用在形容词比较级前还可用much,even,still,a little来修饰来修饰,表示表示“的多的多”,“甚甚至至”,“更更”,“一些一些”。e.g.This city is much more beautiful than before.Shes a little more outgoing than me.Its a littl

4、e colder today.3.“比较级比较级and比较级比较级”意为意为“越来越越来越”。多音节比较级用。多音节比较级用“more and more形容词原级形容词原级”形式。形式。Its getting worse and worse.The group became more and more popular.4.“Which/Who is+比较级比较级？”比较比较A、B两事物两事物,问其中哪一个问其中哪一个较较时用此句型。时用此句型。e.g.Which T-shirt is nicer,this one or that one?Who is more active,Mary or K

5、ate?三、比较两者其他用法三、比较两者其他用法1.两者在某一方面相同基本句型两者在某一方面相同基本句型“as+形容词或副词原形形容词或副词原形+as”e.g.I think science is as important as math.Tom runs as fast as Jim.2.一方在某一方面不及对方基本句型一方在某一方面不及对方基本句型“not as/so+形容词或副词原形形容词或副词原形+as”e.g.He is not as/so tall as his brother.1.Jims bag is _ than Kates.A.bigger B.big C.biggest D

6、the bigger2.That book is not so _ as this one.A.interesting B.more interesting B.C.most interesting D.the most interesting3.My shoes are cheaper than _.A.you B.your C.yours D.your one Self-checkI.Multiple choices4.This classroom is _than that one.A.many big B.much big C.many bigger D.much bigger5.D

7、o you look _ Tom?A.the same as B.same as C.the same D.the same so Self-checkI.Multiple choices1.He has _(short)and _(curly)hair than Sam.2.Tom is _(athletic)than Jim is.3.Is your hobby the _(same)as mine?4.He can run as _(fast)as I.5.She is a _(little)heavier than me.6.He is _(much)more outgoing than me.Self-checkII.Fill in the blanksshortercurliermore athleticsamefastlittlemuch