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常见英语句法错误SentenceFragmentDanglingModifierandF
SentenceFragments
A SENTENCEFRAGMENTfails tobeasentencein thesensethatit cannotstandbyitself.Itdoesnotcontainevenoneindependentclause.Thereareseveralreasons whyagroupofwordsmayseemto act likea sentencebutnothave thewherewithalto makeit asacompletethought.
It maylocatesomethingintimeandplacewith aprepositionalphraseora series ofsuchphrases, butit'sstilllackingapropersubject-verbrelationshipwithinanindependentclause:
InJapan,duringthe lastwar andjustbeforethearmistice.
Thissentenceaccomplishesagreatdealintermsofplacingthe readerintimeand place,butthere isno subject, no verb.
Itdescribessomething,butthereis nosubject-verb relationship:
Workingfarintothenightinanefforttosalvageherlittleboat.
Thisisaverbalphrasethatwantstomodifysomething,thereal subject ofthesentence(abouttocomeup),probablythe shewho wasworkingsohard.
It may have mostofthe makings ofasentencebut still be missing animportantpartofaverbstring:
Some of thestudents workinginProfessorEspinoza'slaboratorylastsemester.
Rememberthatan-ingverbformwithoutanauxiliaryformto accompanyitcan never be averb.
It mayevenhaveasubject-verb relationship,butithasbeensubordinatedtoanotheridea by adependentwordand socannot stand byitself:
Even thoughhehadthe betterargumentsandwasbyfarthemorepowerfulspeaker.
Thissentencefragmenthas asubject,he,andtwoverbs, hadandwas,but itcannotstandby itselfbecause ofthe dependentword(subordinatingconjunction) eventhough.We needan independent clausetofollow upthis dependentclause:
. ..themorepowerfulspeaker,he lostthecasebecausehedidn'tunderstandthejury.
Stylistic Fragments
There are occasionswhenasentencefragment canbe stylisticallyeffective,exactly what youwantand nomore.
HarrisonFordhas said hewouldbemorethanwilling to takeon another IndianaJonesproject.In aNewYork minute.
Aslongasyou areclearlyincontrol ofthesituation,thisispermissible,butthefreedom to exercisethisstylisticlicensedependsonthecircumstances.Perhapsyour finalresearchpaperinEnglish Compositionisnottheplacetoexperiment --or,thenagain, maybeitis.Askyour instructor.
窗体顶端
Ofthethreesentences in eachgroup,selectthe onethatisNOT asentence fragment.SubmittheformusingtheSUBMITAPPLICATIONbutton attheend oftheexercise.
1.
Mrs. Blancogonetovisithermother atthe hospital.ﻫ
Findinga parkingspace thereisusuallyeasy during theweek.ﻫ
Drivinginthecityduringtheevening rushhour.ﻫ2.
Toapplyfor ajobatthenewstore inthe mall.
Askingtheinterviewerhow oftenhewouldhaveto workonweekends.ﻫ
Shakinghis newboss'shand,Tonyknewhewouldlikeworking there.ﻫ3.
Bythe timeFrancesfoundouthowexpensivethewallpapering jobwouldbe.ﻫ
After getting estimatesfromfivecontractors, shedecidedto dothe workherself.
Beforepicking outaninteresting wallpaperpattern thatwentwellwithher furniture.
4. ﻫ
WhoborrowedStefanie's carSaturdaynight.ﻫ
The nineteen-year-oldcar lookedout ofplacenexttothe newmodels.
Whichthesalesmanwassurprisedtofindinsuchgood shape.
5. ﻫ
Whilewaitingforherneighbortomovethecarthatblocked the driveway.ﻫ
Toavoidhittingtheother car, Michaelhadtobackacrossthe cornerofthelawn.ﻫ
Bymakingsurethatnoonewillparkacrossthedrivewayagain.
6.
BecauseManuelwassurehehadheardthesamestrangestorymanymonthsago.ﻫ
AlthoughI willnever forgethowcold wewerewhenwelostourheatlastwinter.ﻫ
SinceAnnawasn'tatthemeeting,Itook notessothat shewouldn'tmiss anything.
7. ﻫ
When mycousinmovedtoTroy,NewYork,afterhefinishedschool.
Afterhewentto allthe trouble offixinguphisapartment.ﻫ
While livingthere, he madevery fewfriends.ﻫ8.
My brotherhasbeenrunninga charter fishing boat forfiveyears.
Manyofhis customers coming backthreeorfourtimesover thesummer.ﻫ
Hisbusinessbeenso busythat he hasverylittletimeforanythingelse.
9. ﻫ
InthehidingplacethatCarlhad beenusingforyearstogetawayfrom thenoisyhouse.ﻫ
Bythe timethateveryonehadquieteddown,my favoritetelevision showwasover.ﻫ
Beforeplanninganother familyget-togetheratthe alreadycrowdedpark.ﻫ10. ﻫ
Although Iknew shemightwear somethingoutrageous,I wasstillshockedbyherdress.
Becauseshe didn'twant totellwhereshehadboughtthe strangeoutfit.ﻫ
When wefinallyheard thatshehad madethedressherself.
DANGLING MODIFER
MisplacedandDanglingModifiers
Youhavea certainamount offreedomindecidingwheretoplaceyourmodifiersin a sentence:
Werowedtheboatvigorously.
Wevigorouslyrowed theboat.
Vigorouslywe rowedtheboat.
However, youmustbe carefultoavoid misplacedmodifiers--modifiersthatarepositionedsothatthey appearto modify thewrongthing.
Infact,youcan improveyourwritingquiteabitbypayingattention tobasicproblems like misplacedmodifiersanddangling modifiers.
Misplaced Words
In general,youshouldplacesingle-wordmodifiersneartheword orwords they modify,especiallywhenareadermightthinkthattheymodifysomething differentinthe sentence.Considerthefollowing sentence:
[WRONG] After ourconversationlessons,we couldunderstandthe Spanishspokenbyourvisitors fromMadrideasily.
Doweunderstandthe Spanisheasily,ordothe visitorsspeakit easily?
This revisioneliminatestheconfusion:
[RIGHT]Wecouldeasilyunderstandthe Spanishspokenbyourvisitors from Madrid.
It isparticularlyimportantto becareful about whereyouputlimitingmodifiers. These arewordslike"almost,""hardly,""nearly,""just," "only," "merely," and soon.Many writersregularlymisplacethesemodifiers.Youcanaccidentallychangetheentiremeaningof a sentenceifyouplacethese modifiersnextto thewrongword:
[WRONG]Randy has nearly annoyed everyprofessorhe hashad. (hehasn't"nearlyannoyed"them)
[WRONG]We almost ate alloftheThanksgivingturkey.(wedidn't "almosteat"it)
[RIGHT]Randyhasannoyed nearly everyprofessorhehashad.
[RIGHT]Weate almostall oftheThanksgiving turkey.
Misplaced PhrasesandClauses
Itis importantthatyouplacethe modifying phraseorclauseasclose aspossibletothewordorwords itmodifies:
[WRONG] Byaccident,hepokedthelittlegirlwithhis fingerintheeye.
[WRONG]Iheardthatmy roommateintended tothrow a surprisepartyformewhile I wasoutside herbedroomwindow.
[WRONG]Afterthewedding,Iantoldusathis stag partythathewouldstartbehaving likea responsibleadult.
[RIGHT]Byaccident,he pokedthelittlegirlinthe eye withhisfinger.
[RIGHT] While Iwas outsideherbedroomwindow, Iheardthatmyroommateintendedto throw asurprisepartyforme.
[RIGHT]Ian told usathisstag partythathe wouldstartbehaving likea responsible adultafterthe wedding.
SquintingModifiers
A squintingmodifierisanambiguouslyplaced modifierthat canmodify either thewordbeforeitorthe wordafter it.Inotherwords, itis"squinting"inboth directions at the sametime:
[WRONG]Defining yourtermsclearlystrengthensyour argument.(doesdefining "clearlystrengthen"ordoes"defining clearly"strengthen?
)
[RIGHT]Definingyourtermswillclearlystrengthen yourargument.ORAclear definitionof your terms strengthens yourargument.
Split Infinitives
Theinfinitiveformof theverbconsistsoftheword"to" followed by the baseformoftheverb:
"tobe,""toserve,""tochop," etc.Insertinga wordorwordsbetweenthe"to"andtheverbofaninfinitive creates whatisknown as a splitinfinitive.Prescriptive grammarians, whoknew Latingrammar better thanEnglish,oncedecreed thatasplitinfinitivewasanerror,butnowitisgrowingincreasinglyacceptableevenin formal writing.Nevertheless,somecarefulwritersstillprefertoavoidsplittinginfinitivesaltogether.
Ingeneral, youshouldavoid placing long,disruptivemodifiers betweenthe "to"andtheverbofaninfinitive.However,youmustuse your judgementwhenit comes tosingle-word modifiers.Sometimesa sentencebecomesawkwardifasingle-wordmodifierisplacedanywhere butbetweenthe elementsofthe infinitive:
[WRONG]Themarketingteam voted to,beforetheylaunchedthenewsoftware,runananticipatoryadcampaign. (disruptive-- theinfinitiveshouldnotbesplit)
[RIGHT]The marketingteam votedto runananticipatoryadcampaignbeforethey launched thenewsoftware.
DanglingModifiers
The danglingmodifier, apersistentand frequent grammaticalprobleminwriting,isoften(though notalways) located atthebeginningof a sentence. A danglingmodifierisusually aphraseoranellipticalclause-- a dependent clausewhose subjectand verb are implied rather thanexpressed-- that functionsasanadjective butdoes notmodifyanyspecificwordin thesentence,or(worse)modifiesthewrong word.Considerthe followingexample:
RaisedinNovaScotia,itisnaturaltomissthe smell ofthesea.
Theintroductory phrasein the abovesentencelooksas ifitismeanttomodifyapersonorpersons,butno oneismentionedinthesentence.Suchintroductoryadjectivephrases,because oftheirposition,automaticallymodifythefirstnoun orpronounthatfollows thephrase--inthiscase, "it."The connection inthiscaseis illogicalbecause"it"wasnotraisedin NovaScotia.You couldrevisethesentence inanumberof ways:
Fora personraised inNovaScotia,itis naturaltomissthesmell ofthesea. (thephrase nolongerfunctionsasanadjective)
Ra