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ID:49948846
大小:1.30 MB
页数:46页
时间:2020-03-05
《《英语句子成分》PPT课件.ppt》由会员上传分享,免费在线阅读,更多相关内容在行业资料-天天文库。
1、ComponentsandStructuresofSentence英语语法构成示意图句子成分一、主语Subject:句子说明的人或事物,一般位于______。句首1.Duringthe1990s,Americancountrymusichasbecomemoreandmorepopular.2.WeoftenspeakEnglishinclass.3.One-thirdofthestudentsinthisclassaregirls.4.Toswimintheriverisagreatpleasure.5.Smokingdoesharmtothehealth.6.Ther
2、ichshouldhelpthepoor.(名词)(代词)(数词)(不定式)(动名词)(名词化的形容词)7.WhenwearegoingtohaveanEnglishtesthasnotbeendecided.8.Itisnecessarytomasteraforeignlanguage.(主语从句)(it作形式主语,真正的主语为后面的不定式)当不定式、动名词或从句在某个句子中作主语时,为保持句子结构前后平衡,避免头重脚轻,因此常用it作形式主语置于句首,而将真正的主语放在句尾。此时it只起先行引导作用,本身无词义。什么情况下用it作形式主语?你能划出下列句子的真正的主语
3、吗?你懂得翻译下列句子吗?1)Itiswrongtotellalie.()2)Itisnousearguingaboutit.()3)Itisuncertainwhowillcome.()说谎是错误的。争吵是没用的。谁要来还不确定。1、简单谓语:由一个动词或动词短语构成。如:Hepracticesrunningeverymorning.Theplanetookoffatteno’clock.二、谓语Predicate:说明主语做什么或怎么样。通常由______充当。动词常分为实义动词,连系动词,情态动词和助动词.动词2、复合谓语:(1)由情态动词加动词原形构成。如:Y
4、oumaykeepthebookfortwoweeks.(2)由助动词加动词原形,现在分词,过去分词构成。如:DoyouspeakEnglish?Theyareworkinginafield.Hehascaughtabadcold.1.Heisdoinghishomework.2.Theheavyrainpreventedmefromcomingtoschoolontime.3.Howmanydictionariesdoyouhave?Ihavefive.(名词)(代词、动名词)(名词、数词)三、宾语Object:动作行为的对象,说明主语做什么。一般放在_________
5、或_______后面.及物动词介词4.Theyhelpedtheoldwiththeirhouseworkyesterday.5.Hepretendednottoseeme.6.Ienjoylisteningtopopularmusic.7.Ithink(that)heisfitforhisoffice.(名词化形容词,名词)(不定式短语)(动名词短语)(宾语从句)Predicative:跟在连系动词后面的词语或从句,用来说明主语的身份,特征,状态.四、表语1.OurteacherofEnglishisanAmerican.(名词)2.Isityours?(代词)3.Th
6、eweatherhasturnedcold.(形容词)4.Thespeechisexciting.(分词)5.Threetimessevenistwentyone?(数词)6.HisjobistoteachEnglish.(不定式)7.Hishobbyisplayingfootball.(动名词)8.Themeetingisofgreatimportance.(介词短语)9.Timeisup.Theclassisover.(副词)10.Thetruthisthathehasneverbeenabroad.(表语从句)1)状态系动词,用来表示主语状态,只有be一词。Heis
7、ateacher.2)持续系动词,用来表示主语继续或保持一种状况或态度,主要有keep,remain,stay。Healwayskeptsilentatmeeting.他开会时总保持沉默。系动词3)表像系动词,用来表示"看起来像"这一概念,主要有seem,appear,look,例如:Helookstired.Heseems(tobe)verysad.4)感官系动词,主要有feel,smell,sound,taste。Thisflowersmellsverysweet.5)变化系动词,表示主语变成什么样,主要有become,g
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