新概念英语第一册Lesson-29-30(完整版)

Thereis+a/an+单数可数名词some+不可数名词+介词短语Therebe(复数)①②Thereare+some/数字+可数名词复数+介词短语Therebe(单数)Review1.Thereisanelectriccookerinthekitchen.2.Thereisarefrigeratorinthekitchen.3.Therearesomeplatesonthecooker.4.Therearesometrousersonthebed.将下列句子变成否定句及一般疑问句，并做出肯定及否定回答。关门卧室不整齐必须，应该打开使…通风，换换空气放置衣服大衣柜掸掉灰尘打扫shutbedroomuntidymustopenairputclotheswardrobesweepdust1.untidyadj.乱，不整齐构词法：un+tidy=untidyun为否定前缀e.g.happy----unhappy2.must必须，应该(情态动词)用法：must+动词原形(must没有人称和数的变化)e.g.Youmustshutthedoor.（表示义务/命令/必要）3.airv.使～通风，换换空气e.g.Pleaseopenthewindowandairtheroom.n.空气/天空(不可数)e.g.Birdsflyintheair.4.putv.放置短语：put…in….(把…放进…)e.g.Puttheappleinmybag.1.Areyoualazy(懒惰的)kid?2.Howdoyoucleanyourbedroom?3.WhatmustIdoifIwanttocleanmybedroom?HowmustAmycleanthefloor?untidyThisbedroom'sveryuntidy.WhatmustIdo?Openthewindowandairtheroom1puttheclothesinthewardrobe2makethebed3dustthedressingtable45shutopenairputdustsweepmakethedoorthewindowtheroomtheclothesinthewardrobethebedthedressingtablethefloor铺床掸掉梳妆台上的灰尘扫地关门开窗户给房间通风把衣服放进衣柜里WhatmustIdo?Thisbedroom'sveryuntidy.Thisbedroom'sveryclean.Howcanwegetacleanbedroom?openthewindowairtheroomputtheclothesinthewardorbemakethebeddustthedressingtablesweepthefloormust的用法：1、must是情态动词。2、表示必须，不得不做的事情。同时也可以表示不可推卸的责任。3、must后面要加动词原型。mustdo（sth）Lesson30WhatmustIdo?我应该做什么？OpenShutyour{handbagbookPutonTakeoffyour{clothesshoesTurnonTurnoffthe{lightrefrigeratorSweepthe{floorkitchenCleanthe{carwindowDustthe{dressingtabletableEmptythe{cupbottleReadthis{newspapermagazineSharpenthesepencils1.用于表达命令、请求、劝告、警告、禁止等的句子叫做祈使句。2.祈使句最常用于表达命令。祈使句：如：Openthebook；Goout；ComeinHomework：1、每天听磁带三十分钟。预习Lesson31~32，熟读课文。2、抄写Lesson29~30单词，一个四遍，汉语一遍。3、听写Lesson29~30单词，家长签字。2012年3月18日