新目标七年级英语下册语法课件

NewGoal7thGradeEnglishVolume2GrammarCoursewareintroductionThePluralFormNounsThepresentcontinuoustenseofverbsThecomparativeandsuperlativeformsofadjectives目录TheusageofprepositionsTypesofsentencesComprehensiveexercisesandansweranalysis目录01introductionCourseContent01ThiscoursecoverskeygrammarpointsforGrade7English,includingsentencestructure,verbtenses,andcomplexsentences.CourseStructure02Thecourseisdividedinto8units,witheachunitfocusingonaspecificgrammartopic.LearningObjectives03Bycompletingthiscourse,studentswillbeabletounderstandanduseEnglishgrammarcorrectlyintheirwritingandspeaking.CourseIntroductionUnderstandthebasicstructureofEnglishsentences.Mastertheuseofdifferentverbtenses.Constructcomplexsentencesusingconjunctionsandsubordinatingconjunctions.Applygrammarrulescorrectlyinwritingandspeaking.01020304Learningobjectives02ThePluralFormNounsWeaknounsformtheirpluralsbyadding-sor-es.Examples:cat,cats;bus,buses;hero,heroes.Thesenounsareusuallynotfollowedbyaconsonantsound.weakconjugation

IrregularchangesSomenounshaveirregularpluralforms.Examples:mouse,mice;foot,feet;goose,geese.Thesechangesarenotpredictableandmustbememorized.Somenounshavearegularpluralformbutareexceptionstotherule.Example:child,children;man,men;woman,women.Theseexceptionsareusuallyrelatedtothemeaningoftheword.Specialcircumstances03Thepresentcontinuoustenseofverbs表示正在进行的动作或状态。定义用法例子描述当前正在发生的动作或存在的状态，强调动作正在进行中。IamstudyingEnglish.(我正在学习英语。)030201DefinitionandUsage主语+be动词（am/is/are）+-ing形式动词。基本结构大多数动词的现在分词形式是在动词后面加-ing，例如“study”变为“studying”。动词变化一些动词的现在分词形式有特殊变化，例如“go”变为“going”。特殊规则StructureandChanges现在完成时表示某个动作已经完成但对现在仍有影响，而现在进行时表示动作正在进行中。与现在完成时区别一般现在时表示经常发生的动作或存在的状态，强调习惯或常态，而现在进行时强调当前正在发生的动作或状态。与一般现在时区别一般将来时表示未来的动作或状态，而现在进行时表示当前正在进行的动作或状态。与一般将来时区别Distinguishingfromothertenses04ThecomparativeandsuperlativeformsofadjectivesForexample,thecomparativeformof"happy"is"happier"andthesuperlativeformis"happiest".Weakconjugationreferstotheformationofthecomparativeandsuperlativeformsofadjectivesbyadding"er"and"est"totheendoftheadjective.ThisruleappliestomostadjectivesinEnglish,butthereareexceptions.WeakconjugationThesechangesarenotpredictableandmustbememorized.Forexample,thecomparativeformof"good"is"better"andthesuperlativeformis"best".Someadjectiveshaveirregularchangesintheircomparativeandsuperlativeforms.IrregularchangesThecomparativelevelisusedtocomparetwothingsorpeople,showingwhichoneismoreofaparticularquality.Thesuperlativelevelisusedtocomparemorethantwothingsorpeople,showingwhichoneisthemostofaparticularquality.Forexample,"Sheisthesmarteststudentintheclass"(superlativeform)and"Heissmarterthanhisbrother"(comparativeform).Theusageofcomparativeandsuperlativelevels05TheusageofprepositionsPrepositionsareusedtoshowtimerelationships.Prepositionslike"in,""on,""at,"and"before"canbeusedtoindicatespecifictimesortimeperiods.Forexample,"Iwillmeetyouat5o'clock"or"Iwillfinishtheprojectintwohours."RepresentingtimePrepositionscanalsoshowthedurationoftime.Prepositionslike"for"and"since"canbeusedtoindicatethelengthoftimesomethinghasbeenhappeningorwillbehappening.Forexample,"Ihavelivedinthiscityforfiveyears"or"ShehasbeenstudyingEnglishsinceshewassix."RepresentingtimePrepositionsareusedtoshowspatialrelationships.Prepositionslike"in,""on,""under,"and"nextto"canbeusedtoindicatethepositionofobjectsorthelocationofevents.Forexample,"Thebookisonthetable"or"Wearemeetingintheauditorium."IndicatinglocationVSPrepositionscanalsoshowpossessionorownership.Prepositionslike"of"and"with"canbeusedtoindicatewhoorwhatpossessesorownssomething.Forexample,"thecarofmyfriend"or"thebookwiththeredcover."IndicatinglocationPrepositionsareusedtoshowmovementordirection.Prepositionslike"to,""from,""up,"and"down"canbeusedtoindicatethedirectionofmovementorthedestinationofajourney.Forexample,"Iwalkedtothepark"or"ThetrainiscomingfromNewYork."Indicatingdirection06TypesofsentencesDeclarativesentencesarethemostcommontypeofsentenceandareusedtomakestatementsorexpressfacts.Theyusuallyhaveasubjectandapredicateandarestructuredinsuchawaythatthemeaningisclearandunambiguous.Example:"Thecatsatonthemat."DeclarativesentenceInterrogativesentencesareusedtoaskquestions.Theyusuallybeginwithaquestionwordsuchas"what,""where,""when,""why,"or"how."Example:"Wheredidthecatgo?"InterrogativesentenceExclamationsentencesareusedtoexpressstrongemotionsoremphasizeapoint.Theyoftenbeginwithanexclamationmarkandarefollowedbyanexclamationwordsuchas"Oh,""Ah,"or"Wow."Example:"Oh,whatabeautifulcat!"Exclamationsentence07Comprehensiveexercisesandansweranalysis0102Exercisequestionone