资源描述：
《PEP-新版小学六年级英语Unit4-Then-and-now重点知识总结.doc》由会员上传分享，免费在线阅读，更多相关内容在教育资源-天天文库。
1、四单元知识点总结一、词汇部分1、表示过去时间的词：lastyear、lastmonth、……yearsago、……monthsagoeg：twoyearsago两年以前manyyearsago许多年以前2、dininghall餐厅gym体育馆gocycling去骑自行车ice-skate滑冰playbadminton打羽毛球usetheInternet使用互联网lookup(若是代词放中间)lookitup（在词典中或通过电脑）查阅wearglasses戴眼镜havearacewithsb和某人进行一场赛跑wake(woke)up醒来wintherace赢
2、得赛跑atthattime在那时3、情态动词：do(did)don’t(didn’t)can(could)can’t(couldn’t)+动词原形eg:Ididn’tlikewinterbefore.Icouldn’tgocycling.二、句型1、Therebe句型时刻记住Therebe句型的就近原则。eg:Thereisacatandtwodogsinthisroom.本单元用到Therebe句型的过去时态。当be动词后主语为单数或不可数时用was，若为可数名词复数用were。eg:Therewasnolibraryinmyoldschool.后面主语
3、为library,为单数用was.TherewerenocomputersorInternetinmytime.主语为复数computers所以用were.2、描述某人过去和现在的不同Before,主语+was/were+形容词.“以前，某人是……”Now,主语+am/is/are+形容词.“现在，某人是……”参考词汇：外貌tall,short,thin,fat,strong,heavy,longhair,shorthair,yellowhair,blackhair性格quiet,active,shy(害羞的),funny(滑稽的)运动playfootba
4、ll/basketball/badmintonice-skate,gocyclingeg:Before,Ihadlonghair.Now,Ihaveshorthair.Before,Ididn’tlikefootball.Now,Ilikeplayfootball.Ioftenplayfootballwithmyfriends.Before,Icouldn’tridemybikewell.Now,Igocyclingeveryday.作文：ChangeinMe描述自己过去与现在的不同。指导：这篇作文要采用两种时态来写。介绍过去的情况要用一般过去时，介绍现在
5、的情况要用一般现在时。注意动词过去式的变化。以及情态动词后要用动词原形。范文：ChangeinMeMynameisAmy.I’mfromtheUSA.TodayIseemyoldphotos.IfindIamdifferentnow.BeforeIwasn’ttall.Now,Iamtallerthanbefore.Before,Ihadlonghair.Now,Ihaveshorthair.BeforeIwasquiet.Now,I’mveryactiveinclass.Before,Ididn’tlikefootball.Now,Ioftenplayf
6、ootballwithmyfriends.
