八年級(jí)下英語(yǔ)第4單元單詞解析講義課件

單詞講解單詞講解allowallowsbtodosth允許某人做某事sbbeallowedtodosth某人被允許做某事allowdoingsth允許做某事allowsbin/out允許某人進(jìn)入/出去Teenagersshouldn’tbeallowedtosmoke.

不應(yīng)該允許青少年吸煙。辨析letsbdosth語(yǔ)氣較弱，不能用于被動(dòng)語(yǔ)態(tài)allowallowsbtodosthguess1v.Canyouguesshowoldheis?2n.Ifyoudon’tknowtheanswer,haveaguess!

可數(shù)名詞，猜想，猜測(cè)主句含有:I/Weguess/think/believe/suppose…+從句時(shí)，要進(jìn)行否定前移Iguesshecanswim.Idon’tguesshecanswim.Iguesshecanswim,can’the?

guess1v.Canyouguesshowodeal1協(xié)議；交易Ididadealwithmyparentsonhousework.

在家務(wù)上我與父母達(dá)成一項(xiàng)協(xié)議。2bigdeal重要的事3處理，dealwith,與疑問(wèn)詞how連用Howwillyoudealwiththehomework?deal1協(xié)議；交易communication1communicatewithsb與某人交流、溝通、聯(lián)絡(luò)2communicatetosb向某人報(bào)告、通知、傳達(dá)Forbettercommunication,Ialsocommunicatewithhimbyphone.

為了更好地溝通，我還和他電話交流。communication1communicatewitargue1通常與介詞about和with連用,不及物動(dòng)詞arguewithsbaboutsth

為某事與某人爭(zhēng)辯haveanargumentwithsbIhadanargumentwithhim.argue1通常與介詞about和with連用,不及物動(dòng)cloudLookatthosedarkclouds.It’sgoingtorain.看那些烏云，要下雨了。cloud,（像云的）塵土或煙霧cloudsofsmoke一團(tuán)團(tuán)的煙cloudy多云的acloudyskycloudLookatthosedarkcloudsolder/elder1older,指年齡較大、較老，也指較舊TomistwoyearsolderthanJohn.Thisbookisolderthanthatone.2elder,年長(zhǎng)的，只用做定語(yǔ)，不用作表語(yǔ)He

ismyeldersister.Weshouldrespectourelders.

我們應(yīng)該尊重長(zhǎng)輩。older/elder1older,指年齡較大、較老，也instead1instead為副詞，常放在句首或句尾Iwillgoinstead.2insteadof為介詞短語(yǔ)，后面接名詞、代詞，介詞短語(yǔ)或動(dòng)名詞形式Shewrotetohiminsteadofcallinghim.=Shedidn’tcallhim.Shewrotetohiminstead.instead1instead為副詞，常放在句首或句尾nervous比較級(jí)：morenervous最高級(jí)：mostnervousbenervousof/about…對(duì)…感到緊張Theyarenervousof/abouttheirtest.nervous比較級(jí)：morenervous最高級(jí)：moffer1.offersbsth/offersthtosb向某人提供某物

注：可以接受，也可以不接受2.offertodosth提議去做某事Iofferedherabook.我給了她一本書。Heofferedtohelpme.他向我提供幫助。辨析：provide強(qiáng)調(diào)為應(yīng)付意外、突發(fā)事件、緊急情況等做好充足準(zhǔn)備而“提供，供給”，多數(shù)情況是免費(fèi)的。providesbwithsth為某人提供某物providesthforsb

offer1.offersbsth/offersthproper/explainHeneverexplainsanythingproperly.他從來(lái)不好好解釋任何事情。explainoneself解釋，交代清楚explainsthtosb向某人解釋某事Aliceusuallyexplainsthenewwordstous.explanationn.解釋，說(shuō)明proper/explainHeneverexplainclear1.清楚易懂的；晴朗的Shespokeinaloudclearvoice.

她說(shuō)話聲音既洪亮又清楚。2.清澈的；透明的clearwater清澈的水；clearglass透明的玻璃3.clearly清楚地，明白地辨析：clean干凈的；清潔的；而clear表清澈cleanwater干凈的水（強(qiáng)調(diào)沒(méi)有塵污）clearwater清澈的水（強(qiáng)調(diào)清澈、透明）clear1.清楚易懂的；晴朗的return1.return=comeback/gobackreturnto=gobackto=comebackto2.return,歸還；還給returnsthtosb/returnsbsth歸還某人某物Pleasereturnthemoneytoher.注：是非延續(xù)動(dòng)詞，不可以與表示一段時(shí)間的狀語(yǔ)連用。return1.return=comeback/gobcompetecompetition競(jìng)賽，比賽competitor參賽選手enteracompetition參加比賽

competewithsb…against……for…TeamsfrommanycountriescompeteintheWorldCup.

很多國(guó)家的球隊(duì)參加世界杯比賽。competecompetition競(jìng)賽，比賽opinion1.同義詞：idea;thought;viewWhat’syouropinionofmywork?

對(duì)我的工作您有什么意見(jiàn)？2.inone’sopinion=Ithink…在某人看來(lái)Inmyopinion,youareright.

我認(rèn)為你是對(duì)的。insistonone’sopinion堅(jiān)持某人的觀點(diǎn)opinion1.同義詞：idea;thought;vskill技藝，技巧Itneedsagreatskilltoflyaplane.

開(kāi)飛機(jī)需要很高的技巧。skillful孰練的

擴(kuò)展：Practicemakesperfect.Skillcomesfrompractice.

skill技藝，技巧quick1Haveaquicklook.Hetookouthisbookquickly.辨析：fast:形容詞/副詞，強(qiáng)調(diào)動(dòng)作速度之快。quick:形容詞，著重動(dòng)作迅速發(fā)生或完成

即刻行動(dòng)，豪不耽誤soon:強(qiáng)調(diào)時(shí)間，很快；馬上，即不久以后將發(fā)生的某個(gè)動(dòng)作或某種情況。I’llwritetoyouassoonaspossible.quick1Haveaquicklook.continue1持續(xù)，繼續(xù)存在，接名詞、動(dòng)名詞、不定式或名詞性從句做賓語(yǔ)Howfardoestheroadcontinue?

這條路有多長(zhǎng)？continuedoingsth繼續(xù)做原來(lái)的事=goondoingsthcontinuetodosth繼續(xù)做某事（另一件事）AfterfinishingUnit3,let’scontinuetolearnUnit4.辨析：continue;goon;lastcontinue1持續(xù)，繼續(xù)存在，接名詞、動(dòng)名詞、不定式或名continue指進(jìn)程在時(shí)間或空間上的延續(xù)，有時(shí)也可指短暫停止后繼續(xù)進(jìn)行。Hecontinuedtheworkforthreehours.goon：goontodosth=continuetodosthgoondoingsth=continuedoingsthlast:說(shuō)明某一動(dòng)作要延續(xù)一段時(shí)間。Shewon’tlastlonginthatjob.那份工作她做不了多久。continue指進(jìn)程在時(shí)間或空間上的延續(xù)，有時(shí)也可指短compare1compare…with…將…與…比較compare…to…把…比作…Don’tcompareyourselfwithothers.

不要與別人比較。Childrenarecomparedtonationalflowers.compare1compare…with…將…與…比較crazy1不理智的，瘋狂的Youmustbecrazytowalkatnightwithnolights.2熱衷的，狂熱的Sheiscrazyaboutpopmusic.3crazilyadv.瘋狂地，熱衷地crazy1不理智的，瘋狂的causeSmokingcancauselungcancer.吸煙能導(dǎo)致肺癌。Whatwasthecauseoftheaccident?Youhavenocausetocomplain.辨析：cause:引起某種結(jié)果的原因，后接ofreason:指決定做某事或采取某項(xiàng)行動(dòng)的理由。excuse:辯解，借口causeSmokingcancauselungcperhapsmaybe=perhaps,位于句首或句末Maybe/Perhapsitwillraintomorrow.probably可能性大于maybe/perhaps.Hewillprobablycometomorrow.possibly較probably可能性小

在肯定句里可能性很小，在否定、疑問(wèn)句中與can/could連用，表示“無(wú)論如何不”。Cou