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人教版七级下Unit4Don’teatinclass.复习课件(共28张PPT).ppt

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Unit4 Don’teatinclass.Schoolrules Whatcanyoudoatschool? Whatcan’tyoudoatschool?PracticeJohn:Hi,myname’sJohn.It’smyfirstdayatschool. Alice:Hi,John.I’mAlice.Thisisagreatschool,buttherearealotofrules. John:Really?Whataresomeoftherules? Alice:Well,don’tbelateforclass.Thisisveryimportant. John:OK,sowemustbeontime.Canwebringmusicplayerstoschool? Alice:No,wecan’t.Andwealwayshavetoweartheschooluniform. John:Isee. Alice:Oh,andwealsohavetobequietinthelibrary.5.情态动词haveto的用法: “必须、不得不”,它侧重于客观上 的必要和被动。有人称和数的变化 1)结构:主语＋haveto＋动词原形＋其他 (主语是第三人称单数时,用hasto) 如：我们每天必须穿校服 Wehavetowearschooluniformseveryday. 汤姆每天必须练习弹吉它。 Tomhastopracticetheguitareveryday.2)否定形式:主语＋don’t/doesn’thaveto＋动词原形＋其他。如: 尼克不必戴帽子。 Nickdoesn’thavetowearahat. 今天我们不必做作业。 Wedon’thavetodoourhomeworktoday.3)疑问句: Do(Does)＋主语＋haveto＋动词 原形＋其他如： 你必须在餐厅吃饭吗? Doyouhavetoeatinthedininghall? Yes,Ido./No,Idon’t. 他必须打扫房间吗？ Doeshehavetocleanhisroom? Yes,hedoes./No,hedoesn't.按要求改写句子，每空一词。 1.Paulhastoeatoutside. (改为一般疑问句) _____Paul________eatoutside? 2.Theycanwearhatsinthehall. (改为一般疑问句) _____they_____hatsinthehall? 3.Thestudentshavetoweartheschooluniforms.(对划线部分提问) ______dothestudents___________?4.Youcan’tlistentomusicinthehallways.(改为祈使句) ___________tomusicinthehallways. 5.Eatinthedininghall.(改为否定句) ____________inthedininghall. 6.Don’tarrivelatenexttime.(改为同义句) ___________latenexttime.Unit4 Don’teatinclass.gooutDon’t______onschoolnights.FAMILYRULESFAMILYRULESFAMILYRULES______________everyday.Listenagain.WritewhenDavehastofollowtherulesinthechartin1b.Choosefromthephrasesinthebox.Readtheletters.UnderlinetherulesforMolly.Afterthat,IruntoschoolbecauseIcan’tbelate.Atschool,wehavemorerules---don’tbenoisy,don’teatinclass,… MydadsaysIcan’tplaybasketballafterschoolbecauseImustdomyhomework. Icanplayonlyonweekends.Afterdinner,Ican’trelaxeither.ImustreadabookbeforeIcanwatchTV. ButIhavetogotobedbefore10:00.Rules,rules,rules!It’sterrible!WhatcanIdo,Dr.Know? MollyBrown,NewYorkDearMolly, Iknowhowyoufeel.Peoplealwaystellus,“Don’tdothis!”or“Youcan’td