Unit4Don teatinclass Languagegoal Talkaboutrules Schoolrules 1 Don tarrivelateforclass Youmustbeontime 2 Don truninthehallways 3 Don teatintheclassroom Youmusteatinthedininghall 4 Don tlistentomusicinclass 5 Don tfight Whatcanyoudoatschool Whatcan tyoudoatschool 情態(tài)動(dòng)詞can表許可 意為 可以 can t 不可以 wecan t butwecan 2a Practice Canwe Yes wecan No wecan t eatinclasslistentomusicoutsidewearhatsatschoolfightinclasstalkinthelibrary John 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 2d Role playtheconversation 5 情態(tài)動(dòng)詞haveto的用法 必須 不得不 它側(cè)重于客觀上的必要和被動(dòng) 有人稱和數(shù)的變化1 結(jié)構(gòu) 主語(yǔ) haveto 動(dòng)詞原形 其他 主語(yǔ)是第三人稱單數(shù)時(shí) 用hasto 如 我們每天必須穿校服Wehavetowearschooluniformseveryday 湯姆每天必須練習(xí)彈吉它 Tomhastopracticetheguitareveryday 2 否定形式 主語(yǔ) don t doesn thaveto 動(dòng)詞原形 其他 如 尼克不必戴帽子 Nickdoesn thavetowearahat 今天我們不必做作業(yè) Wedon thavetodoourhomeworktoday 3 疑問句 Do Does 主語(yǔ) haveto 動(dòng)詞原形 其他如 你必須在餐廳吃飯嗎 Doyouhavetoeatinthedininghall Yes Ido No Idon t 他必須打掃房間嗎 Doeshehavetocleanhisroom Yes hedoes No hedoesn t 按要求改寫句子 每空一詞 1 Paulhastoeatoutside 改為一般疑問句 Paul eatoutside 2 Theycanwearhatsinthehall 改為一般疑問句 they hatsinthehall 3 Thestudentshavetoweartheschooluniforms 對(duì)劃線部分提問 dothestudents Doeshaveto Canwear Whathavetodo 4 Youcan tlistentomusicinthehallways 改為祈使句 tomusicinthehallways 5 Eatinthedininghall 改為否定句 inthedininghall 6 Don tarrivelatenexttime 改為同義句 latenexttime Don tbe Don tlisten Don teat Unit4Don teatinclass SectionB1a 1d goout practicetheguitar helpmommakebreakfast cleanhisroom dothedishes seefriends Newactivities Don t onschoolnights FAMILYRULES goout Hecan tgooutonschoolnights FAMILYRULES Don t onschooldays seefriends Hecan tseefriendsonschooldays FAMILYRULES onSaturdays Cleanhisroom Hehasto mustcleanhisroomonSaturdays FAMILYRULES afterdinner Dothedishes Hehasto mustdothedishesafterdinner everyday FAMILYRULES Practicetheguitar Hehasto mustpracticetheguitareveryday Listenagain WritewhenDavehastofollowtherulesinthechartin1b Choosefromthephrasesinthebox 1c onschoolnightseverySaturdaybeforedinnerintheeveningonschooldaysafterdinnerafterschooleverymorning Readtheletters UnderlinetherulesforMolly DearDr Know Therearetoomanyrules At6 00a m mymomsays Getupnowandmakeyourbed Afterbreakfast mymomalwayssays Don tleavethedirtydishesinthekitchen 2b 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 NewYork DearMolly Iknowhowyoufeel Peoplealwaystellus Don tdothis or Youcan tdothat Butthinkaboutit Molly Therearealotofthingsyoucando Youcanplaybasketballonweekends YoucanwatchTVafteryoureadabook Parentsandschoolsaresometimesstrict butremember theymakerulestohelpus Wehavetofollowthem Goodluck Dr Know DearDr Know youhelpme I mnothappybecausetheretoomanyrulesathome Everymorning I getupatsixo clock Atschool I wearaschooluniform andI keepmyhairshort Afterschool CompleteZhaoPei sletterstoDr Knowusinghaveto must canorcan t 3a Can have