人教版七年級下冊therebe用法教案

Therebestructure定義：Therebe句型是一常見的表示“存在”的句型。該結(jié)構(gòu)表示某地某處客觀存在某物，是一種倒裝語序。EgThereisaflowerinthebottle.A:Therebe結(jié)構(gòu)中be動詞的確定.therebe結(jié)構(gòu)中的謂語動詞be在人稱和數(shù)上應(yīng)與其后的主語保持一致。主語是不可數(shù)名詞或單數(shù)可數(shù)名詞時用is，是復(fù)數(shù)時用are。EgThereissomemoneyinthepurse..若句子中有幾個并列的主語時，be的形式要與離其最近的一個主語在人稱和數(shù)上保持致。EgThereisaboy,agirlandtwowomeninthehouse.Therearetenstudentsandateacherintheoffice..另外，在陳述句中為了強(qiáng)調(diào)地點(diǎn)，也可將介詞短語提置句首。EgInthetreetherearefivebirds.B:否定句therebe的否定式通常在be后加not構(gòu)成（在口語中be時常與not縮寫在一起）。如果句中有some，一般要變成any。EgTherearesomechildreninthepicture.→Therearen,tanychildreninthepicture.C:一般疑問句及其答語把be提到there前，首字母大寫，句末用問號即可。其肯定答語是Yes,thereis/are；否定答語為No,thereisn,t/aren't。Eg-Aretheretwocatsinthetree?-Yes,thereare.(No,therearen't.)D:特殊疑問句及其回答（無論主語是單數(shù)還是復(fù)數(shù)都用is）。EgTherearesomebirdsinthetree.→What’sinthetree?②就therebe后面的地點(diǎn)狀語進(jìn)行提問時，句型用“whereis/are+主語?”EgThereisacarinthestreet.→Whereisthecar?③提問可數(shù)名詞（主語）前的數(shù)量時，用howmany，句型結(jié)構(gòu)為“howmany+復(fù)數(shù)名詞+arethere+其它?”（主語無論是單數(shù)還是復(fù)數(shù)，be通常要用are）。HoWmanytreesarethereinyourgarden?E:Therebevs.Have不同點(diǎn)1：therebe表示某地有 （指客觀存在，therebe沒生命）have某人本身有……（指所屬關(guān)系，have,has有生命）不同點(diǎn)2：have遵循“主謂一致”原則，與主語有關(guān)therebe遵循“就近原則”，be動詞的變化要看后面跟著的名詞是單數(shù)還是復(fù)數(shù)不同點(diǎn)3：therebe通常放于句首have放在句中不同點(diǎn)4：Hehadanewcarandaboat.有，占有Hehasthreechildren.（表示關(guān)系）有Ihaveaheadache.患病，得病Ihadagoodtimeyesterday.經(jīng)歷，經(jīng)受Ihavenoodlesforbreakfast.吃，喝，吸（煙等）Ihavefinishedmywork.haveaux.（與過去分詞連用構(gòu)成完成時）Doyouhaveanybrothersandsisters?（have和do/does/did構(gòu)成各種形式表示擁有等，用于肯定句、否定句和疑問句）Schedule1countableuncountablepositivesingularThereisakitten.Thereissomemilk.pluralTherearesomekittens.negativesingularThereisn,takitten.Thereisn,tanymilk.pluralTherearen,tanykittens.questionssingularIsthereakitten?Isthereanymilk?pluralArethereanykittens?Thereareinourschool.Theyareallfriendlytous.womanteacherswomenteacherwomanteacherwomenteachersusedtoapostofficenearmyhouse.There;beThere;haveIt;beThere;having-Isthereacomputerinyourroom?A.Yes,thereis.No,therearen,t.Yes,itis.D.No,itisn't.Look!TheredeerwiththetouristsonPeople'sSquare.areaumberof;playingareanumberof;playisanumberof;playingisanumberof;playThereabasketballgamebetweenthesetwogradesinthegymthisafternoon.willisgoingtohaveisgoingtobewillhavethereanyriceinthebag?HasIsAreHave-Sally,what,sinthebox?-Theresomepensandpencils.areisbehaveAttention,please.ThereavolleyballgamebetweenChinaandKoreathisevening.isgoingtobehasbeenhaswillhaveThereman