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Chapter Two Sentences（第1页）

ChapterTwoSentences

&ioe

&ereferstothecyofverbtensesience，aparagraph，orevenanessay。Inotherwords，ifyoubeginyieshiftsuddeense；ifyoubegieshiftwithoutreasotehefollowieeent。

1）Wheersthelecturehall，theaudiencerise。

2）Wheeredthelecturehall，theaudiencerose。

Buttheteheseillogically:

3）Wheers，theaudiencerose。

Listedbelowaretwetridoferrorsie。

&rule:Shiftverbteimeisged。

4）Fiftyyearsago，ThanksgivingDaywasregardedastheopeningdayoftheseasonforChristmasshopping；today，theseasonopeelyafterHalloween。

&ehetimeisgedfromfiftyyearsagototoday，sothepasttensewasisshiftedtopresenttenseopens。

Thesedrule:Shiftverbtehemeaningcallsforsuge。

5）TheForbiddenCity（紫禁城）wasthehomeoftheeseemperorsandisfamhouttheworldforitsarchitedhistoricalrelics。

&ehepasttensewasisusedbecausetherearen'taoday'sa；thepresenttenseisisusedbecausethearchitedhistoricalrelitheForbiddenCitystillexist。

Inbrief，youmustmaintainverbteing。Shiftingtensesshouldbedonelogically。

Practice2-1-1

Allofthefollowiaies。Maketheverbteeensrovidedonlyforthefirsttwosentences。

1。WhenIamyouogoswimminowitissopollutedthatalminithasdied。

2。Thirtyyearsago，thetypicalAmerifamilysistedofahusbawoorthreeow，therearemanymarriagesinwhichcouplesdeottohaveany。

&ellsushewillwrite，buthee。

4。Afterthegorilla（大猩猩）lookedthemover，heturnshisbad>

5。Thereisaphotoasidethepostofficethatyouarejustin。

6。VancouverisohAmeriostbeautifuldisrekedas“theworld'smostdesirableplacetolive”。

7。Hegivesusnoinstruakiandthenwascriticalofwhatwedid。

&heentiresummeratthedthenattheendourbosssurprisesuswitharaweek'spaybecausewehaveworkedsohardthere。

9。Yourfrieanytimeifyouwereintrouble。

10。Ifeltverylohehospital，forI'tseemyfriendsormyparents。

11。Ifyouwee，youwillfeelsleepytheday。

12。WhenIwasachild，Istayedathomehappilywithmyparents。WhenIwasyouoworkhardeveryday。WhenIwasold，Iwillgotothetrysidetoeofmylife。

Practice2-1-2

&ifyaheuesinthefollraph。Usethefirstverbasyourtimemarker。Noansrovided。

Isatdownatmydeskearlywithiioheudying。Beforemanyminutespassed，Ihearagreatdealofnoisedownonthefloorbelowme。Awaterfightisinprogress。Ifotaboutmystudyforhalfanhour，foritisquiteimpossibleformetotratemyselfonthebookiofallthisotion（干扰）。Afterthi，Ibeganstudyingagain。Unfortunately，Iwasabouttoystudyhonesme。

Practice2-1-3

eofthetopicsbelowandwriteyourraph（s）。

1。hraphsiensedesgapersonalexperienvolvi，aplace，orapersonthatinfluenesignifit>

2。hesamepersonalexperieishappeni。

3。hraphsdesethingthatyourememberfromyourchildhoodandnowmiss。

4。hraphsdesgyourplanforawelingpartyorafarewellpartywhichwillbeheldweek。