人教版八年级英语上册 Unit7 知识点

Unit7Willpeoplehaverobots?Peoplewilllivetobe200yearsold.live：（v）居住；过...生活liveto(be)+基数词+yearsold(相当于livetotheageof+年龄)Eg:Mypetdoglivestobe15yearsold.Mypetdoglivestotheageof15.Theyliveahappylife.live:(adj)活着的；有生命的；直播的Eg:Theboyswatchaliveshow.Thecatisplayingwithalivemouse.lively(adj)活泼的；活跃的Willpeopleusemoneyin100years?in+一段时间在...之后（对此短语提问用Howsoon）辨析：in,after与laterin(prep)以现在时间为起点的一段时间之后(用于将来时)Eg:MyfriendwillcomebackfromGuangzhouinthreedays.after(prep)以过去时间为起点的一段时间之后；也可用于将来的时间点之后Eg:I’llbefreeafterFriday.HestartedonMondayandreachedBeijingaftertwodays.later(adv)一段时间+later(常用于过去时；可单独使用)Eg:Seeyoulater.Oneyearlater,shebecameamathteacher.Therewillbefewertreesandtheenvironmentwillbeingreatdanger.danger(n)危险反义词：safety(n)安全dangerous(adj)危险的反义词：safe(adj)安全的“in+n”结构的短语：Eg：inneed急需；需要introuble处于困境中infact事实上infear害怕indifficulty处于困境insurprise吃惊地；惊讶地Everyoneshouldplayapartinsavingtheearth.playapartin:参与某事；在...方面起作用；扮演角色(playarolein)playthepartof=playtheroleof扮演...角色Eg:Electricitypalysanimportantpartinourdailylife.Shewillplaythepartofadoctorinthenewmovie.ButIwanttoliveontheearth.earth(n)地球；泥土；世间常用短语：ontheearth在地球上onearth到底；究竟afterall毕竟；到底；终究Eg:Whatonearthareyoudoing?Me,too.Thenwhatcanwedo?Me,too.我也一样；我也如此(1)用于说话人的情况与前一句所描述的肯定情况相同的场合Eg:Shelikesplayingtheviolin.Me,too.Shelikesplayingtheviolin.SodoI.结构为：So+be动词/情态动词/助动词+主语Eg:---HecanspeakEnglishwell.---Socanshe.---Sheisabeautifulgirl.---SoamI.So+主语+be动词/情态动词/助动词译为：的确如此Eg:---Sheisagoodstudent.---Sosheis.---Theycansingthissongwell.---Sotheycan.---Mybrotherdoesagoodjob.---Sohedoes.(2)用于说话人的情况与前一句所描述的否定情况相同的场合结构为：neither+be动词/情态动词/助动词+主语Eg:---Sheisn’tagoodstudent.---Neitherishe.---Theycan’tsingthissongwell.---Neithercanhe.---Mysisterdoesn’thaveasoccerball.---NeithetdoI.Theyareusuallylikehumanservants.辨析：human,man,people与personhuman:人/人类（有别于动物及鬼神）复数形式:humans/humanbeingsEg:Humanshouldprotecttheenvironment.man:男士，与woman相对(复数形式:men)人类(可以与human互换)Eg:Manshouldprotecttheenvironment.people:人们(复数含义)；名族(可数名词)Eg:TherearesixpeopleinTom’sfamily.Thereare56peoplesinChina.person:个人(可数名词)Eg:HeisanicepersonFewerpeoplewilldosuchjobsinthefuturebecausetheyareboring...辨析：such与sosuch:(adj)如此的用法如下：such+a/an+adj+单数可数名词such+adj+不可数名词such+adj+可数名词复数(用法同what引导的感叹句)Eg:Ineverwantsuchaboringholidayagain.Ihavemetmanysuchfriendlypeople.so:(adv)如此用法如下：So+adj+a/an+单数可数名词So+adj/adv+that+从句如此...以致于名词前有many,much,few,little修饰时,应用so,即：so+many/much/few/little+n+that+从句Eg:Itwassowarmadaythattheywentswimming.Hewassotiredthathefellasleepsoon.Thestudentdidsolittlehomeworkthatmadehisteacherangry.However,somescientistsbelievethatalthoughwecanmakerobotsmovelikepeople.believe(vt)相信believe常用短语：believesb.相信某人(所说的话是真的)believeinsb.信任某人Eg:Ibelievehim,butIcan’tbelieveinhim.以believe引导的宾语从句，若主句的主语为第一人称(I/we),那么反义疑问句部分的主语及谓语动词与从句的主谓保持一致。Eg:WebelievethatTomisagoodboy,isn’the?Idon’tbelievethatIcanbeagoodteacher,canI?However,theyagreeitmaytakehundredsofyears.agree:(v)同意；赞成用法如下：agreewithsb.on/aboutsth.在某方面同意某人的观点Eg:Idon’tagreewithMaryon/aboutmanythings.agreeto+plan/idea/suggestion/arrangement同意某计划/观点/建议/安排Eg:Weagreetothisarrangement.agreetodosth.同意/答应做某事Eg：Theyagreetogiveittome.Ifbuildingsfalldownwithpeopleinside...fall(vi)落下；跌落Eg:Thelittleboyfellintotheriver.fall(系动词)进入(新的或不同的状态)(接adj作表语)Eg:fallasleep入睡fallill生病fall(n)秋天相当于autumn(多用于英式英语)与fall相关的短语：fallinto落入；陷入falloff跌落；摔下fallill生病falldown倒下fallover摔倒fallbehind落后fallasleep入睡fallinlovewith爱上SoI’llprobablyjustkeepabird.probably:(adv)很可能；大概(位于句首、实义动词前、系动词/助动词/情态动词后)Eg:ProbablyIwillgohomesoon.ItisprobablythelastplaneforKunming.辨析：probably,possibly,perhaps,maybeprobably/possibly/perhaps/maybe大概；或许；可能probably:可能性较大possibly:可能性较小，强调客观存在的可能perhaps:其含义和用法与maybe一样，多用于口语maybe:可能性较大,较口语化，常置于句首语气从强到弱依次是：probably,perhaps,maybe,possiblyWill构成的一般将来时一般将来时表示将来某个时间要发生的动作或存在的状态，也表示将来经常或反复发生的动作时间标志词：tomorrow,thedayaftertomorrow,nextweek(month/year),inthefuture,in+时间结构：肯定式：主语+will/shall+动原+其他.will适用于各种人称shall常用于第一人称Eg: Wewill/shallvisitBeijingnextmonth.Hewillcometovisityoutomorrow.否定式：主语+will/shall+not+动原+其他.(willnot=won’tshallnot不能缩写)Eg: I’llgotothemuseumonSunday,butmyparentswon’tgowithme.一般疑问句：Shall/Will+主语+动原+其他？Eg：Willthestudentsgotothezoo?Shallwegotoseethemoviethisafternoon?辨析：will与shall在表示“带意愿色彩的将来”时，常用willEg:Iwilltellyouthetruthsoon.在询问对方是否愿意，或表示客气的邀请时，常用willEg:WillyousendmealetterwhenyouarrivesinBeijing?Willyoucometomybirthdaypartytonight?在书面语中，主语为第一人称（I/We）时，常用shall(口语中可以替换成will)Eg：Ishallcallyouassoonaspossible.Weshallbegladtoseeyou.在表示建议或征求对方意见时，可用shallEg:ShallweleaveforGuangzhoutomorrow?Shallwegetenoughfood?Will与begoingto表示将来的区别begoingto表示近期、眼下就要发生的事情；will表示的将来时间则较远一些Eg:Sheisgoingtowritealettertohermomtonight.(近期)begoingto表示根据主观判断将来要发生的事情；will表示客观上将来要发生的事情Eg：Hedoesn’tfellwell.Heisgoingtobeill.(主观判断)Thequalityoflifewillimprovedaybyday.(客观判断)begoingt