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1、Unit 3Im more outgoing than my sister.第三课时(Grammar Focus3c)单元同步语法精讲精练 形容词比较级的含义形容词有三个等级:原级、比较级和最高级。其中比较级表示“更”,用于两者(人或事物)之间的比较,说明“前者比后者更”。形容词比较级的构成一般在形容词词尾加er。eg:smallsmaller;smartsmarter以字母e结尾的形容词,词尾加r。eg:closecloser;nicenicer以重读闭音节结尾且末尾只有一个辅音字母的形容词,要先双写这个辅音字母,再加er。eg:bigbigger;thinthinner以“辅音字母y”结尾
2、的形容词,先将y变i,再加er。eg:earlyearlier;happyhappier多音节和部分双音节形容词,在其前加more构成比较级。eg:beautifulmore beautiful部分不规则形容词的比较级。eg:good/wellbetter;badworsemany/muchmore;littlelessoldolder;farfarther形容词比较级的用法形容词的比较级结构为:形容词的比较级than比较对象,前后相比较的两个事物一定要属于同类。而且做比较时,一定要避免自身与自身相比。表示一个事物和范围内其他事物比较用“比较级thanany other单数名词”。eg:He
3、is taller than any other student in his class.他比班上任何一个学生的个子都高。as.as.意为“与一样”,其否定形式为“not so/as.as.”,意为“不如怎么样;不与一样”。它们也是一种表达比较的形式,注意as与as之间要用形容词或副词的原级。“the比较级,the比较级”表示“越,越”。eg:The more you read,the more you know.你书读得越多,你知道的就越多。“比较级and比较级”表示“越来越”。eg:Our city is more and more beautiful.我们的城市越来越漂亮了。修饰比较级
4、可用much,a little,even,still,a lot等。【注意】当比较级后有of the two.之类的短语时,比较级前要加定冠词the。两者之间选择的疑问句,常用句型:Which/When/Whobe形容词比较级,A or B? 一、写出下列形容词的比较级形式。1tall _2.quiet_3heavy _ 4.easy_5large _ 6.funny_7many _ 8.thin _9exciting _ 10.little_tallerquieterheaviereasierlargerfunniermorethinnermore exciting less二、单项选择。1
5、1Which season do you like _ _,summer or winter?Summer.AwellBbestCbetterDgood12Liu Li is _ _ than the other students in my class.Apopular Bmore popularCthe most popular Dmost popular13_ _ exercise you take,_ youll be.AThe fewer;the fatterBThe less;the fatterCThe less;the more fatterDThe fewer;the mor
6、e fatterCBB14Is Julie as _ _ as her sister?No.Her sister works much _ than her.Ahardworking;hardBmore hardworking;harderCmore hardworking;hardDhardworking;harder15How are you feeling today?(易错题)I feel _ _ better than yesterday.Amuch Bmore Cvery Dtoo16The weather is getting _ _Ahotter and hotter Bmore hot and hotChoter and hoter Dmore and more hotDAA17Im sorry this coat is not big enough.I want a _ _ one.(易错题)Abigger Bbig Csmaller Dsmall18What do you think of Toms speaking?No one does _ _ in our class.(原创题)Agood Bbetter Cwell DbestAB