2016八年级新版英语下册第四单元知识点详解

1Unit4Whydon’tyoutalktoyourparents?一、重点短语1.havefreetime有空闲时间2.allowsb.todosth.允许某人做某事3.hangoutwithsb.与某人闲逛4.after-schoolclasses课外活动课5.getintoafightwithsb.与某人吵架/打架6.untilmidnight直到半夜7.talktosb.与某人交谈8.toomany太多9.studytoomuch学得过多10.getenoughsleep有足够的睡眠11.writesb.aletter给某人写信12.callsb.up打电话给某人13.surprisesb.令某人惊讶14.lookthrough浏览15.beangrywithsb.生某人的气16.abigdeal重要的事17.workout成功地发展;解决18.getonwith和睦相处；关系良好:19.fightalot经常吵架/打架20.hangover笼罩21.refusetodosth.拒绝做某事22.offertodosth.主动提出做某事23.sothat以便24.mindsb.doingsth.介意某人做某事25.allthetime一直26.infuture今后27.makesb.angry使某人生气28.worryaboutsth.担心某事29.copyone’shomework抄袭某人的作业30.beoneself做自己31.familymembers家庭成员32.spendtimealone独自消磨时光33.givesb.pressure给某人施压34.haveafightwithsb.与某人吵架35.competewithsb.与某人竞争36.freetimeactivities业余活动37.getbettergrades取得更好的成绩38.giveone’sopinion提出某人的观点39.learnexamskills学习应试技巧40.practicesports体育训练41.causestress造成压力42.cutout删除二、重点句型1.IstudieduntilmidnightlastnightsoIdidn‘tgetenoughsleep.2.Whydon'tyouforgetaboutit?3.Althoughshe’swrong,it'snotabigdeal.4.Heshouldtalktohisfriendsothathecansayhe’ssorry.5.Maybeyoucouldgotohishouse.6.IguessIcould,butIdon’twanttosurprisehim.三、重点动词用法1.Allowsbtodosth2.Whydon’tyoudosth?3.Wanttodosth4.Findsbdoingsth5.Tellsbtodosth6.Refusesbtodosth7.Letsbdosth8.Offertodosth9.Mindsbdoingsth10.not…until…直到……才11.it’stimetodosth./it’stimeforsth.12.Keepondoingsth13.Whatdoyouthinkof…?四、重点讲解2一.Whydon’tyou…?等提建议的句型Whydon’tyougotosleepearlierthisevening?Whydon’tyoutalkaboutthesethingswithyourfamily?Whydon’tyouforgetaboutit?Whydon’tyoudosth?Whynotdosth?其他提建议句型1.Whatabout/howabout…?2.Wouldyoulikesth?3.let’sdosth.4.Youshoulddosth.5.You’dbetterdosth.二、状语从句连词until,sothat及although引导的状语从句1.Youshouldkeeptryingtotalktoheruntilshetalkstoyou.------时间状语从句until引导时间状语从句—until用于肯定句中，意为“直到……为止”；在否定句中，意为“直到……才”例、Sheoftenworksinthefielduntilitgetsdark.他经常在田里干活到天黑。Wedidn’tgohomeuntiltherainstopped.直到雨停了，我们才回家。2.Heshouldtalktohisfriendsothathecansayhe’ssorry.-------目的状语从句Sothat引导目的和结果状语从句（1）sothat以便，引导目的状语从句时，一般放在主句后，且不用逗号隔开，目的状语从句表示动机，即一种可能性，而非事实。因此在从句中常带有can,will,could,would,should等情态动词.（2）sothat以至于，结果，引导结果状语从句，陈述的是客观事实，常常不带情态动词。Hestudiedhardsothathepassedtheexam.3.Althoughheiswrong,it'snotabigdeal.------让步状语从句Although引导的让步状语从句Although虽然，尽管，引导让步状语从句，可以放在主句前面，也可以放在主句后面。Youcouldhelphimalthoughyoudidn’tlethimcopyyourhomework.典型例题1.---Ifeelstressedfromtimetotime.Couldyougivemesomeadvice?---_____sharingyourworrieswithyourparents?A.Whydon’tyouB.HowaboutC.WhynotD.Wouldyoulike2.Whydon’tyou____anEnglishclubtopractice_____English?A.tojoin;tospeakB.join;speakingC.join;tospeakD.tojoin;speaking