新概念第一册第29课第30课英语Lesson29Lesson30课堂PPT

1What must I do?2windowcasebook3coattieshirtwatchshoes4stereoTVlighttap5floorkitchenliving room6fridgeblackboard electric cooker7tableshelfcupboard8cupglassbox9booknewspapermagazine10knifeknives11wardrobeend tabledressing tableclothes12How must Amy clean the floor?Sweep the floor.13Mrs.JonesAmy14untidy:在一个形容词的前面加上前缀“un”能够把这个形容词构成它的反义词tidyuntidycleanuncleanbusyunbusyhappyunhappy15_16must 1.must表示必须，应该；它的否定回答用neednt/dont have to.A:Must I finish the work before six？B:Yes,you must.No,you neednt/dont have to.2.must 的否定形式must not，表禁止、绝对不能。

You mustnt get to school late.You mustnt smoke in the room.3.must后面动词跟原形情态动词：表示说话人对某一动作或状态的态度，或表示主观设 想171.She must at home.(be)2.When must Amy _ the floor?(sweep)3.Must they clean the classroom now?No,they A cant B neednt C dont D mustntbesweepB18What must Amy do？1920open/shut:turn on/turn off:the stereo!the tap!magazine light bookturn on/turn offturn on/turn offturn on/turn offopen/shutopen/shut一般是指关上或者切断电源或水龙头一般是指一个物件的门或者封面之类的东西2122Then put these clothes in the wardrobe.Put some sugar in the coffee.23242526ABCDEE D A B C 27Openand airThen putin1)2)3)Then make4)Dust 5)Sweep28Key phrases:穿上：穿上：脱掉：脱掉：开（灯）：开（灯）：关（灯）：关（灯）：put on take off turn on turn off情态动词：情态动词：must 后接动词原形后接动词原形句型：句型：祈使句祈使句29 Homework 1.背诵课文背诵课文Lesson29 2.听写单词听写单词 3.完成练习册完成练习册。