Unit 3 Teenagers should be allowed to choose their own clothes辅导.doc

Unit3重点知识梳理一.知识点1.被动语态的谓语动词形式:be的各种时态形式+v-ed含情态动词的:can/may/must/shouldbe+v-ed2.get/have+n./pron.+v-ed叫/让/请别人做某事(即使谋事被做)例:Iwanttogetmycoatmended.我要缝衣服.Iwanttohavemyhaircut.我要理发.3.allowsbtodosth允许某人做…allowdoingsth允许做…4.drive:①驾车驾驶.②驱赶驱使.例:Whatdrivesthemtorobtheshop?什么驱使他们去抢商店?5.stupidsillyfoolish三个词都有“蠢”的意思.但略有不同.stupid程度最强指智力理解力学习能力差.silly指头脑简单傻头傻脑使人觉得可笑带有感情色彩.foolish尤其在口语中广泛使用.例:Heisstupidinlearningmath.他学习数学很笨.Stopaskingsuchsillyquestions.别再问这样傻的问题了.Youarefoolishtothrowawaysuchagoodchance.你真蠢丢掉这样一个好机会.6.Hedoesn’tseemtohavemanyfriends.=Itseemsthathedoesn’thavemanyfriends.=Heseemsnottohavemanyfriends.7.倒装句:So+be动词/助动词/情态动词+主语(前为肯定局)表示与前面所述事实一致.Neither/Nor+be动词/助动词/情态动词+主语(前为否定)表示与前面所述事实一致.例:Helikesoranges.Sodowe.Hedoesn’tlikeoranges.Neitherdowe.Shewenttothecinemayesterday.SodidI.Shedidn’tgotothecinemayesterday.NeitherdidI.Tomcanswim.SocanJohn.Tomcan’tswim.NeithercanJohn.So+主语+be动词/助动词/情态动词表示对前面事实的进一步确认.例:Henryisverytired.Soheis.(的确是)HesurfedInternetfortwohours.Sohedid.(的确是)Theywillwinthegame.Sotheywill.(他们会的)8.until用于肯定句中前面句子中的谓动必须是延续性的.9.clean(v.)打扫清理cleanup比较彻底地打扫清理cleanout打扫清理地最彻底.10.failatest=failinatest考试不及格11.bestrictwith+人.bestrictin+事物.例:TheheadteacherisstrictwithhisstudentsHeisstrictinthework.12.theotherday前几天不久前的一天.(用于过去时)13.concentrateon…全神贯注做…例:Hedecidedtoconcentrateonphysicsbecausehefailedtheexam.ThiscompanyconcentratesonChinamarket.这家公司把重点放在中国市场上.14.more…than…①与其说…不如说…;比…更…例:Themanismorestupidthannervous.与其说那人紧张倒不如说他愚蠢.②在这一结构中more做adj.修饰名词表示“比…多”例:Ihavemorebooksthanyou.我的书比你的多.15.volunteer①n.自愿者.②v.volunteertodosth.自愿做…例:Weallvolunteeredtohelpintheoldpeople’shome.我们都志愿到敬老院帮忙.16.chance指侥幸的偶尔的机会还可表示“可能性”opportunity指有利的时机良机.