【整理】初三英语上册第三单元知识点总结优秀名师资料（完整版）资料(可以直接使用，可编辑优秀版资料，欢迎下载）【2021年整理】初三英语上册第三单元知识点总结学霸教育为你而忧地址:和九路4栋2单元5层左侧Unit3一、知识点?英语有两种语态:主动语态和补动语态主动语态表示是动作的执行者;被动语态表示主语是动作的承受者Catseatfish.(主动语态)猫吃鱼。Fishiseatenbycats.(被动语态)鱼被猫吃。?被动语态的构成:由“be，及物动词的过去分词”构成时态被动语态结构例句am一般现在时are+过去分词Englishisspokeninmanycountries.iswas+过去分词一般过去时Thisbridgewasbuiltin1989.were+过去分词can/should情态动词may+be+过去分词Theworkmustbedonerightnow.must/……2.allowsb.todosth.允许某人做某事(主动语态)allowdoingsth允许做某事…eg:MotherallowsmetowatchTVeverynight.妈妈允许我每晚看电视。beallowedtodosth.被允许做某事(被动语态)如:eg:LiLyisallowedtogotoQinzhou.莉莉被允许去钦州。3.gettheirearspierced穿耳洞get/have+sth.+done(过去分词)让/使(别人)做某事eg:Igetmycarrepaired.==Ihavemycarrepaired.我让别人修好我的车4.形容词，enough如:beautifulenough足够漂亮enough，名词如:enoughfood足够食物enoughto足够…去做…如:Sheisoldenoughtogotoschool.她够大去读书了。5.stopdoingsth.停止做某事Pleasestopspeaking.请停止说话。stoptodosth.停止下来去做某事Pleasestoptospeak.请停下来说话。6.倒装句:由so/neither，助动词，主语“也/也不一样”(用于不同主语)so+主语+助动词“的确如此”(用于同一主语)eg:Sheisastudent.SoamI.她是一个学生，我也是。Shewenttoschooljustnow.SodidI.她刚才去学校了，我也是Tomcan?tswim.NeithercanJohn.Heisacleverboy,soheis.他的确如此学霸教育为你而忧地址:和九路4栋2单元5层左侧7.goshopping(去购物),gofishing(去钓鱼)goswimming(去游泳),goboating(去划船)gohiking(去登山),gotrekking(去徒步)8.bestrictwith+人.“对某人要求严格”bestrictin+事物.“对某事要求严格”例:TheheadteacherisstrictwithhisstudentsHeisstrictinthework.9.agree同意反义词disagree不同意动词agreement同意反义词disagreement不同意名词10.keepsb/sth.，形容词使某人/某物保持….keepsbdoing让某人一直做某事如:Weshouldkeepourcityclean.我们应该保持我们的城市干净。Don?tkeepmewaitingforalongtime.别让我等得太久。11.both…and…“既。。。又。。。”“都。。。”动词用复数形式如:BothJimandLiMingplaybastketball.NeitherJimnorLiMingplaysbasketball.(就近原则)12.learn(sth.)fromsb.向谁学习(什么)如:JimlearntEnglishfromhisEnglishteacher.吉姆向他的英语老师学习英语13.haveanopportunitytodosth.有机会做某事haveachanceofdoingsth.有机会做某事如:IhaveanopportunitytogotoBeijing.IhaveachanceofgoingtoBeijing.14.花费take,cost,spend,payIttake(sb.)timetodosth.Ittook(me)10daystoreadthebook.sth.cost(sb.)……Thebookcost(me)100yuan.sb.spend…onsth.Shespent10daysonthisbo