1/4语法填空之从句一、名词性从句1.正确分析句子成分是做对题的关键。2.连接词的特点:that没有意义,在从句中只起连接作用,不充当句子成分;whether,if表“是否”,在从句中只起连接作用,不充当句子成分;what,which,how,where,when,whatever等,有各自的意义,在从句中担任成分。3.that引导主语、表语、同位语从句时不省略;有多个that引导的宾语从句时,只有第一个that可省略;引导的宾语从句中含有从句时,也不省略。4.介词后一般不接that引导的宾语从句,此时需要用it作形式宾语;某些动词enjoy,hate,have,like,love,appreciate,take也不能接that引导的宾语从句,此时需要用it作形式宾语。如:Youmayrelyonitthathewillcomeontime.5.reason做主语时,表语从句只能用that引导。6.doubt在肯定句中其后的宾语从句常用whether,if引导;doubt在否定和疑问句中其后的宾语从句常用that引导。如:Thereissomedoubt___whether_______hewillcometomorrow.7.与if相比较,whether引导所有名词性从句,也可用于连接介词后的宾语从句,可以discuss,decide后引导宾语从句,还可与ornot连用。*考题检验1.__________BarbaraJonesofferstoherfansishonestyandhappiness.2.Thereisclearevidence________themostdifficultfeelingofalltointerpretisbodilypain.3.WorldAidsdayisalsoimportantinremindingusthatHIVhasnotgoneaway,and_______therearemanythingsstilltobedone.4.Newscamefromtheschooloffice_________WangLinhadbeenadmittedtoBeijingUniversity.5.Iwasclosetobeingkilledtheotherday.Acarpassedmeat________Ithoughtwasadangerousspeed.6.Thereisnodoubt_________Johnwillsupportyou.7.CouldIspeakto________isinchargeofInternationalSalesplease?8.Wehaveofferedherthejob,butIdon’tknow_________shewillacceptit.9.Twentystudentswanttoattendtheclassthataimstoteach________toreadfast.10.Iamafraidhe’smoreofatalkerthanadoer,whichis________heneverfinishanything.11.AsfarasIcansee,thereisnopossibility________hewillwinthetennismatchthistime.12.Americanscientistshavediscoveredthatwalnuttreescanproducemorethanwalnuts.Thescientistssaywalnuttreesalsocanmakeachemicalformofthepopularpain-killingmedicineaspirin.Thetreesdothisunderthestressofdisease1_________otherthreats.Scientistssaythechemicalmayhelpthetreesreducedamagefromdryweather,unseasonabletemperature2_______otherchangesintheenvironment.Theresultsareimportant3__________presenceofthechemicalcouldwarngrowersearly4_____atreeisindanger.Growerscouldrecognizeaproblem5________leavesonwalnuttreesdieandfalloff.Thescientistssaythe6________(find)alsoshowthataplantcancommunicatewithotherplantsthroughtheatmosphere.Forexample,atreecouldcommunicate7_______itisunderattackfrominsects.8_______thatinformation,agrowercouldbegincorrectivetreatment.Researchers9________(know)foralongtimethatlaboratoryplantsmayproducemethylsalicylate,aspirin’schemicalform.Aspirinwasfirstmadefromthebarkcoveringonwillowtrees.10_______theresearchershadneverbeforefoundmethylsalicylateinaforest.Theyhavenotconfirmedthattreescouldemit,11_______giveout,largeamountsofthechemicalintotheatmosphere.答案:1,what2.that3.that4.that5.what6.that7.whoever8.whether/if9.how10.why11.that12(1.or2.and3,because/as/since4.that5.before6.findings7.when8.With9.haveknown10.or二、定语从句2/4*做题指导1.正确分析句子成分是做对题的关键。2.引导词的特点:*关系代词:which,that,who,whom,whose;关系副词when,where,why和that。(略)*that既指人又指物,先行词是everything,all等或有thefirst,themost,thevery等修饰时都能用,所以一般情况下用that引导定语从句比较保险,但以下情况不能用,切记:a.在非限制性定语从句中(从句前面有逗号与主句隔开),用which或who,whom;b.前面有介词时,用which或whom;c.前面的先行词是anyone,those时,用who;*as和which可以引导非限制性定语从句,指代整个句子(which有时也仅仅指代主句的一个词和一部分)。which引导的这种从句只能放在主句后,as引导的这种从句可以放在主句前、后、或在中间插入。另外,以下短语几乎成为固定搭配:asisoftenthecase,asisknowntoall,asishoped,asisnatural,asisreported,ashasbeensaid,asweknow。如:__As_____isannouncedintoday’snewspapers,alltheschoolswillreopenonSept.1st.*当先行词为case,situation,condition,point时,且从句不缺少主要成分,用where引导;而出现occasion常用when;*关系副词where,when有时用作关系代词;如:Heclimbeduptothetopofthetemple,fromwherehecouldseenothingbuttrees.*which偶尔也指人,着重于该人的品质,地位,身份,而不是人本身。如:Hersisterhasbecomealawyer,whichshewantstobe.*比较:a.Thereare20peopleinthebus,mostof________areboys.b.Thereare20peopleinthebus,mostof________boys.c.Thereare20peopleinthebusandmostof_______areboys.key:whom/them/them*比较:a.______isknowntousall,theearthgoesaroundthesun.b.______isknowntousallisthattheearthgoesaroundthesun.c.______isknowntousallthattheearthgoesaroundthesun.Key:As/What/It*比较:a.Heisoneofthestudentswho_____(praise)bytheteacher.b.Heistheonlyoneofthestudentswho______(praise)bytheteacher.Key:werepraised/waspraised*比较:a.Roseissuchakindgirl______willsurelygiveothershelpifpossible.b.Roseissuchakindgirl______shehaswonahighreputationinourclass.Key:as/that考题检验1.Thereisn’tamoment________I’mnotthinkingofyou.2.Ihatetheway_______youneverlookatmewhenyouspeaktome.3.ThousandsofHaitianscheeredastheChinesemedicalteamarrived,manyof_____evencriedwithjoy.4.Sheshowedthevisitorsaroundthemuseum,theconstructionof______hadtakenmorethanthreeyears.5.Shehasmarriedagain,_______wasunexpected.6.TheBeatles,_____manyofyouareoldenoughtoremember,camefromLiverpool.7.Itissuchagoodplace______everybodywantstogoandvisit______itiswellknownallovertheworld.8.Thebookwaswrittenin1946,_______(duringwhich/sincewhen)theeducationsystemhaswitnessedgreatchange.9.Oneoftheboyswho_______(be)myfriends________(be)verygoodatEnglish.10.Occasionsareveryrare_______Ihavethetimetospendawholedaywithmykids.3/411.Iwillputthebook_______youplaceditandmakeamarkattheplace_______canbeeasilyseen.12.ItisonthemorningofMayfirst_______ImetLiangattheairport.13.Influenza,orflu,is1______commoninfectionofthenoseandthroat,andsom