上海市牛津版英語(yǔ)6Bunit9知識(shí)點(diǎn)總結(jié)梳理

牛津版英語(yǔ)六年級(jí)第二學(xué)期知識(shí)點(diǎn)梳理Unit9SeawaterandrainwaterI詞組:prepare…for…準(zhǔn)備…做…aclasscompetition一次班級(jí)競(jìng)賽aquarterthreequartersof…四分之一三分之一的……seaanimals海底動(dòng)物aseahorse海馬liveinsp.居住在某地ontheearth在地球上oneof…………之一thelargest最大的themostintelligent最聰明的themostdangerous最危險(xiǎn)的intheoceans在海洋里getsthfrom…從…得到某物usesthtodosth(=usesthfordoingsth)用某物做某物inthedeepsea在深海里beimportantto對(duì)…很重要的keep…clean保持…干凈stoppollutingsth(stopdoingsth)停止污染某物（停止做某事）*theanswertothequestions問(wèn)題的答案twokindsof……兩種……findsomeinformationabout…找出有關(guān)….的一些信息ontheInternet在網(wǎng)上athome在家里havenowaterto(dosth…)沒(méi)有水做某事brushteeth刷牙takeashower淋浴washclothes洗衣服washthedishes洗盤(pán)子atwork在工作中waterthecropsandvegetables澆灌莊稼和蔬菜onthefarm在農(nóng)場(chǎng)里inrestaurants在飯店里havenofoodtoeat沒(méi)有可以吃的食物cookfood烹飪食物putoutfires滅火Let’sdosth讓我們做某事savewater節(jié)約用水wastewater浪費(fèi)用水(fix)adrippingtap（修理）一個(gè)滴水的水龍頭(under)arunningtap在一個(gè)流水的水龍頭下turnonturnoff打開(kāi)關(guān)掉playwatergames嬉水takeabath洗盆浴insteadof代替；而不是bydoingsthbynotdoingsth通過(guò)做某事通過(guò)不做某事otheruses其他用途II.詞性轉(zhuǎn)換:*compete(v.)競(jìng)爭(zhēng)competition(n.)比賽e.g.,Let’shaveacompetitionaboutwater.Iwillaskthequestions.形容詞原級(jí)large比較級(jí)larger最高級(jí)thelargestintelligentmoreintelligentthemostintelligentdangerousmoredangerousthemostdangerouse.g.,Whichisthelargestoceanintheworld?Dolphinsarethemostintelligentseaanimals.importance(n.)重要important(a.)重要的e.g.,It’simportanttolearnhowtocommunicatewithothers.danger(n.)危險(xiǎn)dangerous(a.)危險(xiǎn)的e.g.,Someanimalsareindanger.Let’ssavethem.It’sdangeroustostandinfrontofamovingcar.pollution(n.)污染pollute(v.)污染e.g.,Wemuststoppollutingthewater,thelandandtheair.Werest(n.)興趣interesting(a.)有趣的；有意思的interested(a.)感興趣的e.g.,HarryPotterisaveryinterestingbook.I’mveryinterestedinit.cover(v.)覆蓋*covering(n.)掩蔽物；遮蓋物e.g.,Ilikethecoveringofthebook.WatercoversmostoftheEelligence(n.)智力；腦力intelligent(a.)聰明的e.g.,Doyouthinkdolphinsareintelligent?tooth(n.)牙齒teeth(pl.n.)牙齒e.g.,Weshouldbrushourteethtwiceaday.fish(v.)釣魚(yú)(n.)魚(yú)fisherman(n.)漁夫fishermen(pl.n.)漁夫e.g.,Fishermenusenetstocatchfishandprawns.Iusuallygofishingwithmyfatheratweekends.fireman(n.)消防員firemen(pl.n.)消防員e.g.,Afiremanusuallyputsoutfires.Ifthereisnowater,firemenwillhavenowatertoputoutfires.farm(n.)農(nóng)場(chǎng)farmer(n.)農(nóng)夫e.g.,Farmersneedwatertowaterthecropsontheirfarm.drip(v.)滴水dripping(a.)滴水的e.g.,It’sadrippingdaytoday.I’mdrippingwet.Listen!Thetapisdripping.run(v.)奔跑running(a.)流動(dòng)的e.g.,Wehavearunningsore.Doesithurtalot?III.語(yǔ)言點(diǎn)/句型A.語(yǔ)言點(diǎn)：1.quarteraquarterof四分之一的…..threequartersof四分之三的…ahalfof二分之一的….e.g.Almostthreequartersofthelandispolluted.1/2:one–second/a(one)half1/4:one-fourth/aquarter3/4:three–fourths/threequarters2.oneof…oneof+形容詞的最高級(jí)+名詞復(fù)數(shù)：“最….之一”oneof+名詞復(fù)數(shù)：“…之一”e.g.,JinmaoTowerisoneofthetallestbridgesintheworld.3．keepkeepsth.+adj.“使……處于某種狀態(tài)”e.g.,Wepromisetokeepthebeachesclean.Wouldyoupleasekeeptheclassquiet?Wouldyoupleasekeepthewindowopen?4.stopstopdoingsth停止做某事e.g.,Wemuststopkillingwildanimals.*stoptodosth停下來(lái)開(kāi)始做某事e.g.,Whenthebellrang,thestudentsstoppedtohavearest.5.haveno+名詞haveno+不可數(shù)名詞/可數(shù)名詞復(fù)數(shù)=nothaveany+不可數(shù)名詞/可數(shù)名詞復(fù)數(shù)e.g.,Wewillhavenotimeatalltowritetoyou.=Wewillnothaveanytimeatalltowritetoyou.Hehasnomoney.=Hedoesn’thaveanymoney.6.needneedsth/sbtodosth“需要某物/某人來(lái)做某事”e.g.,IfIneedyoutocomeandhelp,I’llcall.Weneedahammertofixthedesk.7.waterwater(n.)水（不可數(shù)名詞）water(v.)澆灌e.g.,Don’tforgettowatertheflowersinthegarden.wastewaste(v.)浪費(fèi)waste(n.)浪費(fèi)；廢棄物e.g.,Don’twastetheflour;thereisn’tmuch.It’sawastetothrowawaygoodfood.turnoffturnoff關(guān)掉turnon打開(kāi)e.g.,Pleaseturnofftheradio.=Pleaseturntheradiooff.注意：當(dāng)我們使用代詞（it/them等）代替名詞時(shí)，必須使用turnit/themoffe.g.,Pleaseturnitoff.insteadofinsteadof為介詞短語(yǔ)，后面一般加名詞、代詞、動(dòng)名詞（-ing）等e.g.,Ihavecomeinsteadofmybrother.Iwillgoinsteadofyou.Hewasstudyingthewholeafternooninsteadofplayingfootball.*b)instead為副詞,e.g.,Mr.Wangwasill.Instead,Mr.Ligaveusthelesson.B．句型：*1.形容詞最高級(jí)的用法1）形容詞最高級(jí)的構(gòu)成規(guī)則變化：①單音節(jié)形容詞和少數(shù)雙音節(jié)形容詞的最高級(jí)構(gòu)成：一般在詞尾加-este.g.,tall---tallestbright---brighter重讀閉音節(jié)結(jié)尾且詞尾只有一個(gè)輔音的形容詞，雙寫(xiě)最后字母，再加-este.g.,big---biggestfat---fattestthin---thinnest“輔音+y”結(jié)尾的形容詞，將y改為i,再加este.g.,heavy---heaviestearly---earliesteasy---easiest②多音節(jié)形容詞和部分雙音節(jié)形容詞的最高級(jí)構(gòu)成：在形容詞前，加moste.g.,beautiful---mostbeautifulintelligent---mostintelligent③不規(guī)則變化：e.g.,good---bestbad---worstmany/much---mostlittle---least2）基本用法：①用于三者或三者以上的人或事物之間的比較，表示在一些人或事物中，其中一個(gè)“最……”形容詞最高級(jí)的前面一般要用定冠詞the,即“the+形容詞最高級(jí)”形容詞最高級(jí)+of+比較對(duì)象形容詞最高級(jí)+in+比較范圍e.g.,Sheisthebeststudentinourclass.Heisthemostdiligentofthethreeboys.oneof+形容詞的最高級(jí)+名詞復(fù)數(shù)：“最….之一”e.g.,HarryPotterisoneofthemostinterestingbooksintheworld.*最高級(jí)與比較級(jí)的轉(zhuǎn)換：最高級(jí)=比較級(jí)+anyother+名詞單數(shù)+thane.g.,Whalesarethelargestanimalsintheworld.=Whalesarelargerthananyotheranimalintheworld.Tonyisthetallestinourclass.=Tonyistallerthananyotherstudentinourclass.if引導(dǎo)的條件狀語(yǔ)從句if表示如果，用以引導(dǎo)條件狀語(yǔ)從句在條件狀語(yǔ)從句中，如果主句用一般將來(lái)時(shí)，if從句相應(yīng)的使用一般現(xiàn)在時(shí)，稱(chēng)為“主將從現(xiàn)”If從句可放在主句前面，亦可放在主句后面。If從句如在主句之前，要使用逗號(hào)“，”隔開(kāi)e.g.,IwillgotovisitYuGardenifitdoesn’traintomorrow.YouwillfindalotofinterestingplacesifyougotoShanghai.Ifthereisnorain,wewillhavenowatertocleanourclothes.use…todosthuse…todosth=use…fordoingsth:用….做某事e.g.,Weuseknivestocutbread.=Weuseknivesforcuttingbread.Whatdoweuseknivestodo?=Whatdoweuseknivesfor?補(bǔ)充：beusedtodosth被用來(lái)做某事；be/getusedtodoingsth習(xí)慣于做某事；usedtodosth過(guò)去常做某事。祈使句肯定句：Do(動(dòng)詞原形)sth…,please!否定句：Don’t+do(動(dòng)詞原形)+…e.g.Cleanthetable,please.Don’tcleanthetable,please.Howcanwesavewater?Wecansa