Module-5-A-lesson-in-a-labGrammar

外研新标准第一册必修1M5GrammarObjectiveTolearnthecomparativedegreesofadj.andadv.1.Theearthisforty-ninetimeslargerthanthemoon.2.Itislesscoldtodaythanitwasyesterday.3.Therentofourflatisgettingmoreandmoreexpensive.DegreesofcomparisonAreyoufamiliarwiththesesentences?Theyareallfromthebookswehavelearnt.4.ThemoreIseeyou,themoreImissyou.5.Thehotter,thebetter.6.Themorehestudies,thebetterhebecomes.7.Theredbuildingistwicetheheightofthegreybuilding.8.Ourschoolisthreetimesthesizeofyours.totestyoursenseofobservationtotestyourabilityofshort-termmemorytotestyourabilitytohighlightthelanguagepointsGuess1.Theearthisforty-ninetimes__________themoon.2.Itis___coldtoday____itwasyesterday.3.Therentofourflatisgetting_________________________.4._________Iseeyou,_______Imissyou.5.The______,the_____.6.The_____hestudies,the_____hebecomes.7.Theredbuildingis_____theheightofthegreybuilding.8.Ourschoolis___________thesizeofyours.largerthanlessthanmoreandmoreexpensiveThemorethemorehotterbettermorebettertwicethreetimes1.Ihave______(many)booksthanmybrother.2.Thereis_____(little)breadintheboxthaninthefridge.3.IntheEnglishexam,Igotthe______(many)points,butBeibeigotthe_______(few)points.Fillintheblanks.morelessmostfewest4.SimonandAndyhave_________(much)timethanDaniel,Danielhas________(little)timeofthethree.5.YaoMingisthebestplayerinthegame.Hescoredthe________(many)points.6.Danielmade______(many)mistakesthanKittyinthemathhomework,buthemade______(few)mistakesthanSimon.Kittymade_________(few)mistakesofthethree.moretheleastmostmorefewerthefewest以上我们已经通过归纳总结和练习对本课的语法内容有了一定的了解，下面就让我们根据之前练习的考察情况进一步选择讲解该语法项的重难点。一.形容词和副词比较等级的用法a.Dickisastallashisbrother.b.Tomspeaksasquicklyashiscousin.c.Ihaveneverseenapersonas/socleverasheis.1.原级比较：表示两者程度相同。用“as+形容词/副词+as”结构表示，否定形式为：notas/so+形容词/副词+as。如：2.比较级：1）表示A超过B。此时使用形容词和副词的比较等级。a.Ourclassroomisbrighterthanyours.b.Dogsrunfasterthanrabbits.c.Idon’tthinkmathismoreimportantthanphysics.2）表示A不如B，用“less+形容词/副词的原级”表示。如：a.Rabbitsranlessfastthandogs.b.Jennyislesscleverthanhersister.c.Itrainslessoftenhereinautumnthaninspring.3.形容词和副词比较级的特殊用法：1）越来越……，如：a.Youaregrowingtallerandtaller.你越长越高了。b.Englishisbecomingmoreandmoreimportant.英语越来越重要了。2）越……，越……，如：a.Theharderyoupush,themorequicklythatcartwillmove.你越使劲推，车就跑的越快。b.Themorecarefulyouare,thebetteryouwilldointheexam.你考试越仔细，就会考得越好。c.Themoreyoupractice,themorefluentlyyouwillspeak.你练得越多，讲得就越流利。3）表示两者之中比较……的一个，用of引导，比较级前加上the。a.Jackisthetallerofthetwobrothers.杰克是兄弟俩中较高的一个。b.Thisisthebiggerofthetworooms.这个房间是两个中较大的一个。4）nomorethan表示“只；不超过；不多于”，相当于only。如：a.Hiswholeschooladdeduptonomorethanoneyear.他所接受的学校教育不超过一年。b.Shehasnomorethanoneyuaninherpocket.她兜里只有一块钱。5）nomore…than表示“……一样不……”；而notmore…than则表示“不……那样”，相当于“notso…as”。a.Heisfeelingnobetterthanyesterday.他觉得不比昨天好多少。b.Sheisnotmoregenerousthanheryoungersister.她不像她妹妹那样慷慨大方。=Sheisnotsogenerousasheryoungersister.6）nolessthan表示“多达，至少，起码”，相当于asmuch/manyas，蕴含这个数是大的；而notlessthan表示“不少于”，不强调这个数的大小，只说明数据本身。如：蕴含“我的词典多”b.Ihavenotlessthantendictionaries.我拥有的词典不少于10本。不含“我的词典多”的意思，只说明一个事实。a.Ihavenolessthantendictionaries.我起码有10本字典。7）noless…than表示“不比……差；与……同样地”，相当于“as…as”。如：Sheisnolessbeautifulthanhersister.她和她的姐姐一样漂亮。8）不用比较级的形容词，如：senior,junior,superior,inferior等。a.Heisthreeyearsseniortome.他比我大三岁。b.Yourknowledgeofelectronicsismuchsuperiortomine.你对电子学的知识远远超过我。9）比较级的修饰语。这些修饰语通常为副词或短语，置于比较级前面，说明比较级的程度。例如：alittle,little,abit,bit,alot,agreatdeal,much,far,rather,even,slightly,byfar,still,nearly,almost,any,just,(…)times…a.Themoonismuchsmallerthantheearth.b.Theresultoftheexperimentturnedouttobeevenbetterthanexpected.c.Speakabitmoreslowly,please.d.Theoutputofthepapermillisthreetimeshigherthanitwaslastyear.10）比较级形容词或副词+than的注意事项：①要避免重复使用比较级。Heismoreclevererthanhisbrother.Heismorecleverthanhisbrother.Heisclevererthanhisbrother.②要避免将主语含在比较对象中。ChinaislargerthatanycountryinAsia.ChinaislargerthananyothercountryinAsia.③要注意对应句型，遵循前后一致的原则。a.ThepopulationofShanghaiislargerthanthatofBeijing.b.Itiseasiertomakeaplanthantocarryitout.④要注意冠词的使用，后有名词的时候，前面才有可能有冠词。比较：a.Whichislarger,CanadaorAustralia?b.Whichisthelargercountry,CanadaorAustralia?c.Sheistallerthanhertwosisters.d.Sheisthetallerofthetwosisters.(1)“A+be+倍数+as+形容词原级+as+B”。a.Thistreeisthreetimesastallasthatone.这棵树是那棵树的三倍高。b.Hisfatheristwiceasoldashe.他父亲的年纪有他两倍大。4.形容词和副词比较级的倍数表达法用英语表达“A是B的N倍长（宽、高）”，“A比B长（宽、高）N倍”或“A的长度（宽度、高度）是B的N倍”，可用下列几种句型。a.TheYangtzeRiverisalmosttwicelongerthanthePearlRiver.长江差不多比珠江长两倍。b.Thedictionaryisexactlyfivetimesmoreexpensivethanthatone.这本字典比那本恰好贵5倍。Thenewlybroadenedsquareisfourtimesthesizeofthepreviousone.新扩建的广场是未扩建时的四倍大。(3)“A+be+倍数+the+计量名词+of+B”(2)“A+be+倍数+形容词比较级+than+B”(4)“The+计量名词+of+A+be+倍数+that+of+B”Thesizeofthenewlybroadenedsquareisfourtimesthatofthepreviousone.新扩建的广场为以前的四倍大。(5)其它a.I’mtwice/doublehisage.我的年龄是他的两倍。b.Theaverageincomeofthestaffhasbeenincreasedby50percentcomparedwithlastyear.与去年相比，该单位职工的收入增加了50%。复习形容词和副词的比较级：1.倍数的表达法2.比较级的三种用法：1)表示“越来越……”2)表示“越……，越……”3)表示程度的副词(much,alittle…)+形容词或副词的比较级1.Thatdoesn’tsoundveryfrightening,Paul.I’veseen_______.Whatdidyoulikemostaboutthefilm?A.betterB.worseC.best