八年級(jí)下冊(cè)Unit8英語(yǔ)知識(shí)點(diǎn)

1、八年下冊(cè)Unit8英知點(diǎn)1、islandontheisland在上anisland一個(gè)2、fullof是的，充，裝。1）后常常接名，fullof與后的名一起構(gòu)成后置定，修前的名。fullof相當(dāng)于filledwith例句：thebasketfullofapples.thecupfullofwater.2）fullof前也能夠與be用，在句中做。befullof相當(dāng)于befilledwith.例句：Theclassroomisfullofstudents.=TheclassroomisfilledwithstudentsTheboxisfullofapples.=Theboxisfilledwi

2、thapples.3、already與yet（1）already“已”常用于在完成的必然句中，常放在have/has此后、去分以前或句末。例句：Theyhavefinishedtheirhomeworkalready.Thetrainhasleftalready.（2）yet“已”用于在完成的疑句中。例句：Haveyoueatenyet?Havetheyreadthisbookyet?3）yet“”“尚”用于在完成的否定句中。例句：Hehasntdonehishomeworkyet.Thetrainhasntarrivedyet.（4）notyet沒(méi)有常用于回答在完成的一般疑句。例句：Have

3、youeatenyet?Notyet.4、英中，疑what/how/which/where/who/when后出，常常用“疑+todosth”構(gòu)，此構(gòu)在句中能夠做主、和表.例句：Icantdecidewhentostart.pleasetellmewhattodonext.Hedoesntknowwheretolive.Doyouknowwhichtobuy?5、finishdoingsth做完某事例句：DidyoufinishwatchingTV?Ihavefinishedcleaningtheroom.6、putdown放下down是副，接代，代要放在中。例句：Yourbagisveryh

4、eavy,pleaseputitdown.7、page表示第，用page+數(shù)字例句：page1818page42428、in+一段在后，常用于一般將來(lái)。例句：Theywillbebackinthreedays.after+一段在后，常用于一般去。例句：HewenttoBeijingafterthreedays.9、cutdown砍倒down是副，接代，代放中例句:Thetreesareimportant,Dontcutthemdown.10、learntodosth學(xué)做某事learnfrom向?qū)W例句：Weshouldlearnfromthatboy.Whendidyoulearntoplayt

5、hepiano?11、else的其他的常放在疑和something/anything/nothing等的后。例句：Whatelsecanyoudo?Ihavesomethingelsetosay.12、howlong與howsoon（1）howlong多常用于“for+一段”或“since+去的點(diǎn)”提，主要用于一般去或在完成。例句：HowlongdidyoustudyEnglish?IstudiedEnglishfor2years.Howlonghaveyoulivedhere?Ihavelivedheresincelastyear.（2）howsoon多久常用于“in+一段”提，主要用于一般

6、將來(lái)。例句：Howsoonwillhebeback?Hewillbebackintwodays.13、one,theother.（兩者之中）一個(gè)，另一個(gè)。例句：Hehastwosons,oneisadoctor,theotherisaworker.注意下的例句：Hehasfourbooks,oneisaboutChinese,theothers(theotherthree)areaboutEnglish.14、named是name的去分，被命名的，名字叫的，named與后的名一起修前的名。例句：TheboynamedTomisafriendofmine.IhaveastudentnamedCh

7、ongtongyao.15、inthemiddleof在中例句：hemiddleoftheriver.16、cantwaittodosth急不能待去做某事例句：Icantwaittowatchfootballgame.canthelpdoingsth身不由己地做某事例句：Hecouldnthelplaughingwhenheheardthenews.17、abroad在外國(guó)到外國(guó)abroad是副，前不加任何介。goabroad去外國(guó)18、million百萬(wàn)同hundred(百)、thousand(千)的用法相同。（1）表示詳盡數(shù)字，用“基數(shù)+million+名復(fù)數(shù)”。例句：twomillion

8、dollarseightmillionsoldiers2）表示不確定的數(shù)字，用“millionsof+名復(fù)數(shù)”“數(shù)百萬(wàn)的”例句：millionsofbooksmillionsofpeople19、introducesbtosb向某人介某人例句：Iroducedoneselftosb向某人作自我介例句：Canyouintroduceyourselftous?20、belongto屬于后接名或代格。例句：ThisbookbelongstoTom.Thehousebelongstohim.21、Whatdoyouthinkof?=Howdoyoulike?你（得）怎么？用來(lái)某人某事的看法。例句：Wh

9、atdoyouthinkofthisfilm?Itsgreat.22、attheendof.在點(diǎn)（盡），在末例句：Wewillhaveaspeechcontestattheendofthismonth.Youcanfindahospitalattheendofthestreet.23、anumberof和thenumberof（1）anumberof多相當(dāng)于many,修可數(shù)名復(fù)數(shù)。例句：Anumberofstudentsareplayinggames.（2）thenumberof.的數(shù)量（數(shù)字）做主，用數(shù)。例句：Thenumberofthestudentsinourschoolis600.24

10、、mustbe必然是（在）準(zhǔn)是（在）表示事物的判斷或推。例句：Hemustbeournewteacher.Tommustbeathome.maybe可能是（在）也是（在）例句：HemaybeTomsbrother.Shemaybeinthehospital.cantbe不能能是（在）例句：Hecantbeathome.一般情況下，把含有mustbe的句子成否定句，把mustbe改成cantbe.25、sound(聽(tīng)起來(lái))，look（看起來(lái)），smell（起來(lái)），taste（起來(lái)），feel（感）等系在句中做，后便常常接形容作表。例句：Yourideasoundsright.Thefoodsme

11、llsgood.Helooksyoung.Ifeelexcited.soundlike聽(tīng)起來(lái)像例句：Thatsoundslikeagoodway.26、Keepinghealthyisimportant.英中，一般不能夠做主，名（后加ing）能夠做主。名做主，用數(shù)。例句：Playingbasketballismyhobby.27、usedto+原形去常常做某事be(get)usedto+名、名或代于例句：Heusedtogetupearly.Heisusedtogettingupearly.28、hope希望（1）hopetodosth希望做某事Ihopetogoabroad.（2）hope+

12、從句希望某人做某事例句：IhopeyoucanhelpmewithmyEnglish.29、ontheradio通收音機(jī)onthecomputer通onthephone通onTV通30、cometorealize逐意到例句:HecametorealizeMrwangwasagoodteacher.31、allof+不能數(shù)名、名復(fù)數(shù)或代格所有的例句：allofthemalloftheworkersallofwater32、kind（1）種akindof.一種Anappleisakindoffruit.allkindsof.各種各的allkindsofbooksdifferentkindsof不相

13、同種的differentkindsofbookskindof有幾分有點(diǎn)Iamkindofhungry.（2）和的博愛(ài)的bekindtosb某人和（友好）例句：Sheisverykindtous.33、eastsouth南west西north北southeast南northeast北southwest西南northwest西北eastern方的southern南方的western西方的northern北方的southeastern南方的northeastern北方的southwestern西南方的northwestern西北方的34、suchas比方用來(lái)列整體之中的部分同人或事物，suchas以

14、前一般用逗號(hào)與主句分開(kāi)，后直接接名或名性短。例句：Ihavelotsofhobbies,suchasreadingandsinging.35、Its+形容或名+forsbtodosth.某人來(lái)做某事是。例句：Itsnotagoodideatocopyothershomework.Itsimportantforustolistentotheteacher.36、dosomeresearchon做一些關(guān)于的研究例句：Heisdoingsomeresearchonphysics.37、oneday（有）一天能夠指去，也能夠指將來(lái)例句：Oneday,ImetTomintheshop.Yourdream

15、willcometrueoneday.38、bringback回例句:WhatdidyoubringbackwhenyoucamebackfromAmerica?39、hurryup趕快onthesand在沙子上growup大gotothemovies/seethefilm看影thinkabout考atleast最少fulloffeelings充感情abrokenship一艘壞船eachother/oneanother互相notlongafterthat那此后不久40、eversincethen自從那起常用于在完成例句：Eversincethen,Wehavebeengoodfriends.4

16、1、fightover(about)因爭(zhēng)吵（爭(zhēng)斗）42、beinterestedin+名、名或代感趣例句：Heisinterestedinsports.Iminterestedinplayingfootball.43、theimportanceof的重要性例句：Doyouknowtheimportanceofthecomputer?41、在完成。（1）看法或用法：a、表示去生或已完成的某一作在造成的影響或果。例：Shehasfinishedherhomework。b、表示去已開(kāi)始，向來(lái)持到在的作或狀，常常和“for+一段”或“since+去的點(diǎn)或一般去的句子”用。種用法中，多是延性。例：Weh

17、aveknowneachotherfor20years.Ihavelivedheresince1985(sinceIwasborn)2）構(gòu)成：have(has)+的去分。3）句式：必然句：主+have(has)+的去分+。否定句：主+have(has)+not+的去分+。疑句：Have(Has)+主+的去分+？必然回答：Yes，主+have(has)。否定回答：No，主+havent(hasn。t)例：Shehaslearnedtensongsalready.Haveyouseenthefilmyet?Yes,Ihave.(No,Ihavent.)（4）去分的化：a、一般情況下，尾加ed;以e

18、尾的直接加d；b、以“音字母+y”尾的，把y成i后加ed;c、個(gè)雙寫(xiě)最后一個(gè)字母后加ed;d、不參“不表”。5）在在完成的用法b中，“表示去已開(kāi)始，持到在的作或狀”。此必是延性。因此某些短性在此用法中需要成延性。常的有：buyhaveborrowkeepdiebedeaddiebedeadleavebeaway(from)start(begin)beoncome(go)bein(at)joinbeamembergooutbeout例：Thedoghasdied.Thedoghasbeendeadforaweek.Tomhasboughttwopens.Tomhashadtwopensforamonth.Themeetinghasbegun.Themeetinghasbeenonfortwohours.HehasborrowedtwobooksHehaskeptth