新概念英语青少版3Aunit2.pptx

单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,DISCUSSION:,1.Have you been to any foreign countries?,2.How did you go?,3.Did you go anywhere by plane?,4.Do you know something about plane?,1/25,2/25,First Class,3/25,Whats the difference among them?,1.space(little/big),2.dinner,3.drinks(juice,coffee,water/wine),4.flight attendant,5.Luggage transportation(20,30,40kg),6.,ticket price(100/130/150),How can I get,extra space,in Tourist Class?,4/25,We can sit,in the,front,row,.,5/25,6/25,Today Paul and Claire are on a plane,where are they sitting?,Were in the front row.,Who told them to sit in the front row?,Mom told me.,7/25,How does Paul feel?,Thats great,Claire.,How does Paul describe Claires mom?,Your mothers brilliant.,8/25,Does Claire want some drinks?,Why?,Not now,thanks.,I,ve,just,had,a drink.,9/25,Have,they,had,a magazine or a newspaper?,No,we havent.,10/25,A flight attendant asks them to,give their seats to a special couple,theyre both very tall.,1.Does Claire want to,give up her seat?,2.How does she answer,the flight attendant?,Why dont you put them,in Business Class?,11/25,Listen and learn,12/25,现在完成时,表示过去发生动作对现在造成,影响和结果,，惯用时间状语有many times，just，yet，ever，never，just，already，so far,by now,since.,for 时间段 等。,13/25,现在完成时形式,01现在完成时必定句,主语(I We You,第三人称复数)+have+过去分词,主语(第三人称单数)+has+动词过去分词,例:I,have,already,finished,the housework.,我已经做完家务了.,例:I,have been,busy all the day.,我今天一天都很忙.,14/25,例:My father,has read,todays newspaper.,我父亲已经看了今天报纸了.,例:Mary,has,just,finished,the homework which her teacher ordered.,玛丽刚才完成老师布置作业.,15/25,现在完成时和过去时区分,1.概念不一样：(1)对于过去已经发生而且结束动作：普通过,去时强调何时何地做了何事，并不说明跟现在,关系；而现在完成时强调对现在产生结果或影,响。如 I bought a ticket yesterday.,(强调我昨天做一件事是买票),I have already bought a ticket.,(强调我已经有票了，无须再惦念票事儿了),16/25,(2)对于过去发生，一直连续到现在动作，,只能用现在完成时。因为普通过去时只能描述,已经结束动作。,如 I have lived here for ten years.,(我已住这儿十年了，今后还可能住下去，,普通过去时表示不了这层意思),17/25,2.结构不一样：普通过去时必定句用是动词,过去式，普通过去时疑问或否定句借助于,助动词did；现在完成时必定句用是动词,完成式，现在完成时疑问或否定句借助于助,动词have/has。,18/25,3.,时间状语,不一样：普通过去时常与明确表示,过去,时间状语,连用。,如 yesterday,2 days ago等。,现在完成时不能与明确表示过去,时间状语,连用，只能与already,yet,ever等连用。同时，现在完成时也不与疑问词when连用。,19/25,HOMEWORK,1.P12单词3E1C，背备听,2.P10-11听读各3，读熟,3.依据P16总结写作文,4.P14-1+2对话抄1，背过,5.预习P20单词,6.预习U3对话,20/25,21/25,22/25,23/25,24/25,25/25,