SentencesI.BasicSentenceStructuresEverysentencehastwoessentialparts:RequirementsofCorrectSentences人治PK法治Activity:Judgewhetherthefollowingexpressionsareclausesornot.Intherain.Whenhefinished.Becausethemovieisover.Maryscreamed.1.SimplesentencesThebasicsentencestructures2.Compoundsentences1)Withacommaandacoordinatingconjunctionfor,and,nor,but,or,yet,sofanboysnotonly…butalso…,either…or…,neither…norReadingaclassicismorechallengingthanreadingathriller,butitisalsomuchmorerewarding.Eitheryoucomeinperson,oryouentrustsomeonewiththematter.2)WithasemicolonorcolonandnocoordinatingconjunctionColumbussetouttofindashorterroutetoIndiaandChina;heendedupdiscoveringanewworld.Thereisonlyonesolution:drunkendriversmustgotojail.3)Withasemicolonandaconjunctiveadverbfollowedbyacomma.Hefailedinthisyear’scollegeentranceexamination;therefore,hedecidedhissecondattemptthenextsummer.Thesalesvolumesoaredthisyear;accordingly,itsnetprofitincreased.therefore,consequently,thus,accordingly,hence,otherwise,furthermore,besides,moreover3.Complexsentences4.Compound-complexsentencesAccordingtotheiruse:Declarative,Interrogative,Imperative,andExclamatorySentencesLoose:Readtheletteragainifyouhavetime.Periodic:Ifyouhavetime,readtheletteragain.Loose:Hemissedthelecturealthoughhehaddoneallhecouldtocomeearly.Periodic:Althoughhehaddoneallhecouldtocomeearly,hemissedthelecture.Accordingtorhetoric:Looseandperiodicsentencee.g.Itwasanimmensecrowd.Itwasanimmensecrowd,twothousandatleast.Itwasanimmensecrowd,thoughitwasanunrulyone.Itwasanimmensecrowd,twothousandatleastandgrowingeveryminute.Itwasanimmensecrowd,lookingupintothesky.Hewassittinginalargearmchairbeforethefirewhenweenteredtheroom.Loosesentencegivesprominencetoemphasesandcomesstraighttothepoint.Periodicsentencepresentsmodifiersfirst,followedbythemainclause.It’snotgrammaticalcompleteuntiltheendisreached.Theeffectisgradualbuildingupofintensity,sometimesofsuspense,untiltheclimaxinthemainclauseisreached.E.g.IfyouthinkIamfromthecountrysid