人教版英语八年级下册unit10知识点总结

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1、Unit10I"vehadthisbikeforthreeyears-SectionAl.for+—段U寸间表示动作持续一段吋间，用于现在完成吋2.keep(kept;kept)保留*用作系动词，保持(某种状态)，其后常接形容词作表语。Pleasekeepquiet/silent!请保持安静！*用作实义动词⑴保管；保存；保留PleasekeepthesethingsformewhileIamaway.(2)赡养；饲养Iusedtokeepsheepinmychildhood.(3)坚持；继续接V・ing形式作宾语。Ifyoukeeppracticingyou

2、rspokenEnglish,you'llsoonmakegreatprogress.(4)阻止；阻碍keepsb/sthfromdoingsth其中介词from不能省略Theheavyraindidn'tkeepthemfromwatchingthefootballmatch.(5)保持其后常接复合宾语，表示使(某人或某物)保持某种状态或使某一动作继续。①keep+sb/sth+介词Ifyourhandsarecold,keeptheminyourpockets.②keep+sb/sth+形容词Thesegloveswillkeepyourhandswar

3、m.③keep+sb/sth+V-ing,u让某人/某物一直……",强调动作的持续性。I'msorryI'vekeptyouwaiting.很抱歉，让你久等了。keeparecord保持记录，keepintouch(with)保持与的联系keepout(of)把关在外而keepup保持；使不能入睡keepone's/aneyeon密切注视keepaway(from)离开keepinmind牢记keepone'sword遵守诺言3.bringback(v+adv)使回想起；使回忆起4,inneed需要;需求indanger在危险中introuble在困境中in

4、silence在沉默中ingoodhealth在好的健康状态中Afriendinneedisafriendindeed.患难见真情5.nomore;not...anymore/nolonger;not...anylonger不再词语同义词用法nolongernot…anylonger强调时间或动作“不再延续"，与延续性动词连用nomorenot...anymore强调数量和程度“不再增加"，与非延续性动词连用位置区别：当修饰动词时，nolonger通常置于be或行为动词前；nomore—般置于行为动词后。not...anylonger与not...anymo

5、re常置于句末。Hecannolongerwalk.=HecanftwalkanylongerThelittlegirlnomorecried.=Thelittlegirldidn'tcryanymore.6.since自从Since+从句(一般过去时)，主句用现在完成时Hehasstudiedveryhardsincehecametoourschool.since与for在现在完成时态中的用法since其后接吋间点或吋态为一般过去吋的句子，表示某事是从什么时候开始的Fvebeenasoldiersincetwoyearsagofor其后接时间段，表示某事持

6、续了多长时间Fvebeenasoldierfortwoyears.练：HisfatherthePartysince1978.A.joinedBhasjoinedC.wasinD,hasbeeninMyfatheronbusinessfortwoweeks.He'llreturninthreedays・A.isleavingB.leftC.hasleftD.hasbeenaway7.for给；为了介词for用法归纳(1)(表目的)为ToTheywentoutforawalk.他们出去散步了。(2)(表利益)为，为了。WhatcanIdoforyou?你想要我什

7、么？8.acoupleof几个；一些二afew后接可薮名词复数acoupleof一对，优指夫妻、情侣I'llbebackindays.(几天)9.abit稍微;有点儿(1)abit和alittle在肯定句中，修饰动词、形容词、副词和比较级，”一点儿”。Thespeakerspokeupabit/alittlesoastomakehimselfheardmoreclearly.演讲者把嗓门提高了一点儿，以便使别人听得更清楚。(2)alittle可以直接作定语修饰名词，abit修饰名词，需后面加of构成短语，两者都只能修饰不可数名词Thereisalittle/

8、abitoffoodleftforlunch.午饭只