期末复习Unit9-Unit11语法讲炼课件仁爱科普版八年级英语下册

期末语法复习----Unit9

语法精讲精炼1.Compoundwords复合词（合成词）2.Comparativeandsupeerlativeadverbs

副词的比较级和最高级1.Compoundwords复合词（合成词）构成：名词+名词

或形容词+名词earth+quake=earthquake地震snow+storm=snowstorm暴风雪thunder+storm=thunderstorm雷暴

sand+storm=sandstorm

沙尘暴rain+storm=rainstorm暴风雨flash+light=flashlight

手电筒after+shock=aftershock

余震wild+fire=wildfire野火

super+market=suprmarket超市grass+land=grassland草地farm+land=farmland农田world+wide=worldwide全世界的Comparativeandsupeerlativeadverbs

副词的比较级和最高级基本概念副词用来修饰动词、形容词、其他副词，说明动作快慢、程度、方式比较级：两者对比，更……最高级：三者及以上对比，最……副词比较级最高级变化规则：一般单音节，直接加

-er/-est:hard-harder-hardestfast-faster-fastest以-e

结尾的,加

-r/-st:late-later-latest以“辅音+y”结尾的，变y为

i再加

-er/-est:early-earlier-earliest多音节和大部分双音节副词，加

more/themost：quickly,slowly,easily,clearly,happily,loudly,carefully...原级比较级最高级quicklyslowlyeasilyclearlyhappilyloudlycarefullymorequickly(the)mostquicklymoreslowly(the)mostslowlymoreeasily(the)mosteasilymoreclearly(the)mostclearlymorehappily(the)mosthappilymoreloudly(the)mostloudlymorecarefully(the)mostcarefully不规则变化的副词，需特殊记忆其比较级和最高级形式

。原级比较级最高级badlyfar远littlemuchwellworseworstfarther/furtherfarthest/furthestlessleastmoremostbetterbest三、常用核心句型1.原级同级比较......as+副词原级+as......

和……一样HerunsasfastasTom.他跑得和汤姆一样快。他游泳游得和汤姆一样快。HeswimsasfastasTom.

2.两者比较：......副词比较级+than+比较对象......比......HerunsfasterthanTom.他跑得比汤姆快。他做饭比汤姆更认真。HecooksmorecarefullythanTom.“the+副词最高级+in/of/among+比较范围”“某人（某物）在某范围内最…”。李峰是所有人唱得最好的。Lifengsings(the)bestofall.林涛在我们班跳得最高。Lintaojumps(the)highestinourclass.3.三级或三级以上用最高级他是所有学生里做作业最认真地。Hedidthehomework(the)mostcarefullyamongallthestudents.4.The+比较级,the+比较级越…，就越…Themoreyouread,themoreyoulearn.你读书越多，学到的知识越多。越多越好。Themore,thebetter.雨越下越大。It’srainingmoreandmoreheavily.

5.副词比较级+

and+副词比较级越来越……

副词比较级可用much,alittle,alot,even,still,far等修饰，表示不同程度。Sheplayedthepianomuchmorewonderfullythanyou.她弹钢琴比你棒得多。注意事项：一、写出下列副词的比较级和最高级。1.fast________________

2.hard________

________

3.early________

________

4.late________

________

5.well________

________

6.badly________

________

7.slowly________

________

8.carefully________

________

9.far________

________二、用括号内单词的适当形式填空。1.Lilydances_________________(beautiful)thanhersister.Everyonelikesherperformance.2.Tomstudies_______________(hard)thanbefore,sohisgradesimprovedalot.3.Amongalltheplayers,sheswims_________(fast)intheswimmingcompetition.4.Mymomcooks_________(well)thanmydad.Herdishesarealwaysdelicious.5.Shelistenstotheteacher_______________(carefully)thanherdeskmateinclass.morebeautifullyharderthefastestbettermorecarefully6.Ofallthesingers,hesings______________(badly).Fewpeopleenjoyhissongs.7.Weneedtofinishthework______________(quickly)thanplanned,orwe'1lmissthedeadline.8.Hedrives______________(safe)thanhisfriendbecausehealwaysfollowstrafficrules.9.Thiscomputerruns______________(slowly)ofalltheonesI'veused.Iwanttochangeit.10.Hedid________(little)workthanothers,sohegotalowerscore.theworstmorequicklymoresafelythe