《介詞和介詞短語》ppt課件

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1、介詞和介詞短語介詞和介詞短語Ⅰ.介詞短語的結(jié)構(gòu)Ⅱ.介詞短語的功能Ⅲ.介詞、連接詞和副詞Ⅳ.簡單介詞和復(fù)雜介詞Ⅴ.介詞的含義（重點）Ⅰ.介詞短語結(jié)構(gòu)：（前置修飾語+）介詞+介詞補足語onthetablefromwhathesaidbysigningapeacetreatyintermsofmoneyHeworkeddeepintothenightlastnight.Ⅱ.介詞短語的功能1.作名詞短語的后置修飾語Thepeopleonthebusweresinging.2.狀語Thepeopleweresingingonthebus.Intheafternoon

2、,wewenttoBoston.Fromapersonalpointofview,Ifindthisagoodsolutiontotheproblem.Inallfairness,shedidtrytophonethepolice.Ontheotherhand,hemadenoattempttohelpher.3.作動詞和形容詞的補足成分Wewerelookingathisawfulpaintings.I’msorryforhisparents.說明：①介詞短語有時候可以做主語A:Whenarewegoingtohavethenextmeeting?B:O

3、nTuesdaywillbefine.InMarchsuitsme.DuringthevacationiswhatwedecidedBetween6and7maybeconvenient.請在此輸入您的標(biāo)題(Theproposalthatwemeet)onTuesday…(Tomeet)inMarch…(Meeting)duringthevacation…②作補語（表語）用的準(zhǔn)形容詞功能Thismachineis(very)outofdate.Thisdressseemsoutoffashion.因此可以與形容詞短語并列或同位Theyarehappyand

4、ingoodhealth.anoldandoutofdatetelephone作其他連系動詞的補語Theyseemingoodhealth.請在此輸入您的標(biāo)題③在特殊的情形中（主要在固定短語中），副詞或形容詞可以發(fā)揮介詞補足語的功能。atlast,atleast,atonce,atworst,beforelong,byfar,inbrief,inthere,sincewhen,untilnow….④介詞短語本身可以作介詞的補足語，所以兩個介詞可以連續(xù)出現(xiàn)Hepickedupthegunfromunderthetable.Wedidn’tmeetuntila

5、ftertheshow.Theweatherhasbeenfineexceptinthenorth.Foodhasbeenscarcesincebeforethewar.⑤介詞作動詞和形容詞的補足語時，它和前面的詞（如look,sorry）的關(guān)系比它和后面的補足語關(guān)系更密切，介詞的選擇是由它前面的詞決定的。Ⅲ.介詞、從屬連詞和副詞1.介詞和連詞都具有關(guān)聯(lián)或連接功能，比較：thedaywhenshearrivedofherarrival注：①辨別兩種詞類的一個標(biāo)準(zhǔn)是：介詞引導(dǎo)的是名詞性或名詞化補足語，而與之相對的從屬連詞引導(dǎo)一個從屬分句（從句）。②在某些情況

6、下，同一詞項既可以作介詞又可以作連詞，如after,as,before,since,until.請在此輸入您的標(biāo)題③如果是非謂語動詞，情況就比較復(fù)雜，因為在英語中-ing分句可以用在介詞的后面。Onarrivingshetookataxi.④思考下列三個詞是什么詞性：when,after,by?2.介詞和副詞Shelookedupthehill.(1)Shewalkedacrossthestreet.(2)Shelookeduptheword.(3)Shewalkedacross.(4)①在下列句子中，介詞和副詞的區(qū)別并不明顯：Heisneartobein

7、gmad.Thisseemsnexttoimpossible.Closeto200peoplecame.Sheisfarfrombeingweak.②簡單介詞near和復(fù)雜介詞nearto和closeto：nearto和closeto與形容詞有同源關(guān)系，他們是僅有的既有比較級又可加強調(diào)成分的介詞：Shesatveryneartoquiteclosetomuchnearertome.muchclosertonexttoclosestto③Sheisaboutforty.Sheis(about)forty.Sheisaboutroughlyforty.appr

8、oximately3.注意介詞位置(1)Hastheroombee