Unit2知識(shí)點(diǎn)復(fù)習(xí)課件人教版英語(yǔ)八年級(jí)上冊(cè)

人教版八年級(jí)上冊(cè)Unit2HowOftenDoYouExercise?01語(yǔ)法Howoftendoyouexercise?多久一次Hardlyever.幾乎從不回答2.Onceaweek.一周一次1.定義：頻度副詞表示事情發(fā)生的頻率，可用來(lái)回答howoften引導(dǎo)的問(wèn)句2.常見(jiàn)頻率副詞：always＞usually＞often＞sometimes＞hardlyever(seldom)＞never3.位置：實(shí)義動(dòng)詞前面，be動(dòng)詞/助動(dòng)詞/情態(tài)動(dòng)詞后面e.g.TheyhardlyeverwatchTV.Theyarealwayslateforschool.頻率副詞sometimes橫看成嶺側(cè)成峰sometimes頻度副詞有時(shí)表示動(dòng)作發(fā)生的不經(jīng)常性，多與一般現(xiàn)在時(shí)連用，對(duì)它提問(wèn)用howoftensometimes名詞短語(yǔ)幾次；幾倍其中time是可數(shù)名詞，意為“次，倍”，對(duì)它提問(wèn)用howmanytimessometime副詞某個(gè)時(shí)候表示某個(gè)不確切或不具體的時(shí)間，常用于過(guò)去式或?qū)?lái)時(shí)，對(duì)它提問(wèn)用whensometime名詞短語(yǔ)一段時(shí)間句中謂語(yǔ)動(dòng)詞常為延續(xù)性動(dòng)詞，對(duì)它提問(wèn)用howlongSometimesIgetuplate.Ihavereadthestorysometimes.Idecidedtotryparaglidingwithmysistersometimenextweek.TheywillliveinBeijingforsometime.口訣分開(kāi)“一段時(shí)間”

（sometime）相聚在“某時(shí)”

（sometime）“有時(shí)”相聚加-s （sometimes）“幾次”分開(kāi)帶-s （sometimes）hardly/hard亂花漸欲迷人眼hardly副詞意為“幾乎不”Hehardlyworks.hard副詞意為“努力地；困難地；猛烈地”Heworkshard.Itrainedhard.形容詞意為“努力的；困難的；硬的”Therearesomehardquestionsontheexampaper.Thisisahardbed.次數(shù)aweek/month/year.Once

a

week次數(shù)：once一次twice兩次threetimes三次….Iexerciseonceaweek.Howoftendoyouexercise?Howmanytimesdoyouexerciseaweek?1.Heisthefirsttogettoschooleveryday.Heis______lateforschool.alwaysB.often C.sometimes D.never2.--Ms.Linisverypopularwiththestudents.--Yes.Herclassesare____________livelyandinteresting.alwaysB.sometimes C.hardly D.never3.We_____playsportsonschooldays.Youknow,wedon’thaveenoughtime.oftenB.usually C.hardly D.ever4.Canyouspeakalittlelouder?Ican______hearyou.A.hard B.really C.hardly D.clearlyPractice02動(dòng)詞exerciseexercise

exercise動(dòng)詞鍛煉Hehardlyexercises.名詞[不可數(shù)]鍛煉takeexercise[可數(shù)]體操；練習(xí)題domorningexercisesdoeyeexercisesdogrammarexercises花費(fèi)花費(fèi)spend花費(fèi)（時(shí)間、金錢(qián)）；度過(guò)主語(yǔ)是人spendonsth.spend(in)doingpay支付（金錢(qián)）主語(yǔ)是人pay錢(qián)for物take花費(fèi)（時(shí)間）it作形式主語(yǔ)，真正的主語(yǔ)是動(dòng)詞不定式Ittakes/tooksb.sometimetodosth.cost花費(fèi)（金錢(qián)）主語(yǔ)是物Sth.costssb.somemoneyask詢(xún)問(wèn)asksb.aboutsth.詢(xún)問(wèn)某人關(guān)于某事Weaskedstudentsabouttheirfreetimeactivities.2.請(qǐng)求，要求asksb.todosth.讓某人做某事asksb.nottodosth.讓某人不要做某事Theteacherasksustolistentohercarefully.Theteacherasksusnottotalkinclass.3.尋求askforhelp尋求幫助asksb.forsth.向某人尋求某物Weasktheteacherforhelp.helpv.幫助helpsb.withsth.＝helpsb.（to）dosth.幫助某人做某事IoftenhelphimwithhisEnglish.

＝Ioftenhelphim(to)learnEnglish.n.幫助withone’shelp=withthehelpofsb.在某人的幫助下Withourteacher’shelp=Withthehelpofourteacherhaveto/musthaveto/must

haveto

不得不

側(cè)重客觀需要有人稱(chēng)、數(shù)和時(shí)態(tài)的變化

must

必須側(cè)重主觀上自己認(rèn)為有必要沒(méi)有人稱(chēng)和數(shù)的變化03名詞&代詞意為“百分之……”，常用于“基數(shù)詞＋percent”結(jié)構(gòu)

10percent百分之十無(wú)復(fù)數(shù)形式，與名詞連用時(shí)后需＋of10percentofthestudents百分之十的學(xué)生percentof后接名詞或代詞做主語(yǔ)時(shí)，謂語(yǔ)動(dòng)詞的單復(fù)數(shù)形式要根據(jù)of后的名詞或代詞而定

10percentofthestudentslikereadingbooks.八分之十的學(xué)生喜歡讀書(shū)

percent

none/noone/nothingnone（沒(méi)有一個(gè)；毫無(wú)）既可指人，也可指物可單獨(dú)用，或和of連用，后跟不可數(shù)名詞或可數(shù)名詞復(fù)數(shù)謂語(yǔ)動(dòng)詞用單數(shù)或復(fù)數(shù)（看名詞）noone（沒(méi)有人）只能指人一般單獨(dú)使用，不和of連用謂語(yǔ)動(dòng)詞用單數(shù)nothing（沒(méi)有什么）只能指物單獨(dú)使用謂語(yǔ)動(dòng)詞用單數(shù)Noneofuswenttothepark.Noonewantstoleave.Nothingisimpossible.04連詞&介詞

although連詞意為“雖然；盡管；即使”，相當(dāng)于though，引導(dǎo)讓步狀語(yǔ)從句。同一句子中although與but不能連用。Shekeptonworkingalthoughshewastired.①介詞，意為“通過(guò)，靠”，表示方法、手段，其后接名詞、代詞或動(dòng)詞-ing形式。Mr.Greenmakesalivingbyteaching.②by＋交通工具，意為“乘/駕/坐……”IwenttoBeijingbyplane.③by＋時(shí)間，意為“到……時(shí)為止；在……以前”Imustbeinbedbyten.④by＋地點(diǎn)，意為“在……旁邊”Welivebythesea.

by意為“例如；像……一樣”多用于來(lái)列舉同類(lèi)人或事物中的幾個(gè)。Hehasmanyhobbies,suchasswimmingandreading.

such

as05形容詞&副詞How疑問(wèn)詞薈萃How疑問(wèn)詞薈萃howoften多久一次提問(wèn)頻率Howoftendoyouexercise?howmuch多少；多少錢(qián)提問(wèn)數(shù)量或價(jià)格Howmuchisthesweater?howmany多少提問(wèn)數(shù)量Howmanyarethesebirds?howlong多長(zhǎng)；多久提問(wèn)長(zhǎng)度或時(shí)間長(zhǎng)短HowlongdoesittaketogettoShanghai?howfar多遠(yuǎn)提問(wèn)距離Howfarisitfromheretothepark?howsoon多久以后提問(wèn)將來(lái)的時(shí)間Howsoonwilltheycomeback?howold多大年紀(jì)提問(wèn)年齡Howoldareyou?--________doyougotothezoo?--Onceamonth.--________monkeysarethereinthezoo?--________isitfromBeijingtoTianjin?--It’s92km.--________aretheapples?--Theyare10yuan.Practicefree/full②full意為“忙的”，還可以表示“滿(mǎn)的；飽的”。Herlifeissofullthatshedoesn’thavetimeforhobbies.Thebottleisfullofwater.Ican’teatanymore,I’mquietfull.free/fullmaybe&maybe辨析maybe或許；大概；可能副詞，作狀語(yǔ)，常位于句首maybe可能是情態(tài)動(dòng)詞＋動(dòng)詞原形結(jié)構(gòu)，在句中作謂語(yǔ)Maybeyouareright＝Y(jié)oumayberight.almost,nearly都是副詞，意為“幾乎，差不多”，almost之前不可用very，not等詞修飾，但在no,none,never,nothing等否定詞前可用almost。Thereisalmostnothingintheroom.Thecarisprettynearlynew.nearly&almost

begoodfor/at/with/tobegoodfor對(duì)…有好處Doingmorningexercisesisgoodforyou.begoodat擅長(zhǎng)I’mgoodatplayingbasketball.begoodwith善于應(yīng)對(duì)…Heisgoodwithchildren.begoodto對(duì)…友好Sheisalwaysgoodtome.Doingeyeexercises________youreyes.I________playingbasketball.He________hisclassmates.Practicetoo/either/alsotoo也常用于肯定句位于句末，其前常加逗號(hào)either也（不）常用于否定句位于句末，其前常加逗號(hào)also也常用于肯定句位于句中，助動(dòng)詞/be/情態(tài)動(dòng)詞之后，實(shí)意動(dòng)詞之前Lucylikesred.Ilikered,too.Ifhedoesn’tgo,Iwon’t,either.Theyalsoagreewithme.06句式根本不;一點(diǎn)也不。atall可位于句末，也可跟在否定詞后。Itwasn’tdifficultatall.這一點(diǎn)也不難。Heisn’ttiredatall.He’snotatalltired.他一點(diǎn)也不累。

notatall

口語(yǔ)中單獨(dú)說(shuō)notatall,可用來(lái)回答感