1、第三课时Section A(Grammar Focus3c),单元同步语法精讲,比较级和同级相比形容词、副词的原级即形容词、副词的原形形式，常用于very，so，quite，too之后，适用于句型asas(和一样)。eg：The coat is very expensive.这件外套很贵。The boy is as old as the girl.那个男孩和那个女孩一样大。He runs as fast as I他和我跑得一样快。比较级常用于两者之间进行比较，表示其中一个比另一个“更”或“较”，后用连词than连接另一个所比较的人或物。在上下文明确的情况下，比较级也可单独使用。,比较级的构成(
2、1)规则变化单音节和部分双音节的形容词、副词一般在词尾加er。eg：wildwildertalltaller以不发音的字母e结尾的只加r。eg：latelaterfinefiner以重读闭音节结尾，末尾只有一个辅音字母，需双写词尾辅音字母，再加er。eg：hothotterbigbigger多音节和部分双音节词，在原级前加more。beautifulmore beautifulcarefulmore careful(2)不规则变化good/wellbetterbad/illworsemany/muchmorelittlelessfarfarther/further,比较级的用法(1)形容词比较
3、级常用于两者之间的比较，表示两者之间的差异，构成形式多为“主语谓语(连系动词)比较级than比较对象”。eg：They have more orange than we(do)/us.他们的橘汁比我们的多。在上下文意思明确的情况下，也可以单独使用比较级。This coat is too small.Do you have a bigger one?比较级之前加much，far，a bit，a little，even，still，a lot 等词修饰，用于加强语气。eg：She is a little fatter than me.她比我胖一点。(2)asas意为“与一样”，否定形式“not a
4、s/soas”意为“不如；不与一样”也是一种表达比较的形式。但as与as之间用形容词、副词的原级。eg：This room is not as/so big as that one.这个房间不如那个房间大。This room is smaller than that one.,单元同步语法强化训练,一、单项选择。1Do you enjoy Han Leis songs？(2014，南京)Yes.He is the winner of Im a singer.I cant think of anyone with a_voice.AbetterBbestCmoreDmost2I am sorry
5、 this coat is not big enough.I want a_one.(2014，威海)Abigger Bbig Csmaller Dsmall3I think English is as_as math.I agree with you.(2014，南充)Amore interesting Bmost interestingCthe most interesting Dinteresting,A,A,D,4Which season do you like_，winter or summer？(2014，北京)Summer.Awell BbetterCbest Dthe best
6、5We are happy to see the city is developing _these years than before.(2014，临沂)Aquickly Bthe most quicklyCvery quickly Dmore quickly,B,D,二、用所给词的适当形式填空。6Liu Lu is _(good)at English than I.7Who has _(many)books，Zhang Li or Liu Ying?8It was cold yesterday，but it is much _(cold)today.9The doctor isnt as_
7、(smarter)as Mr.Wu.10Is your brother as _ as you?No，I am much _.(friend),better,more,colder,smart,friendly,friendlier,三、同义句改写。11.Bill is ten years old.Mike is ten years old，too.Bill is_ _ _Mike.12Toms pen is cheaper than Bills.Toms pen isnt _ _ _ Bills.13Mike is not as quiet as his brother.Mikes brother is_ _ _him.14My ruler is longer than his.His ruler is_ than_.15Bill has fewer books than me.My books_ _than Bills.,as old as,as expensive as,more outgoing than,shorter,mine,are more,