七年级英语下册第四单元 Section A 3a 3c. 1 恢复 ppt课件

Unit4Don teatinclass 教学课件设计洪江市托口中学刘利群 Unit4Don teatinclass SectionAgrammarfocus 3c Whatdowehavetodoatschoolorintheclassroom Whatcan twedo Let slookandsaysomeschoolorclassrulers 教师寄语 Norules nostandards 没有规矩不成方圆 Wehavetodosomereadingeverymorning Wehavetoexerciseeveryday Wehavetoworkhardandhelpeachother Wehavetocleanourclassroomandkeepitcleaneveryday WehavetowearourschoolIDcard Wehavetodohomeworkafterschool Don tfightwithothers Wecan tfightwithothers Don tarrivelateforclass Wecan tarrivelateforclass Wecan teatinclass Don teatintheclassroom Don thavelonghairforboys Boyscan thavelonghair Don tsleepinclass Wecan tsleepinclass Wecan truninthehallways Don truninthehallways Don tplaysportsintheclassroomorinthehallways Butwecanplayitoutside Don ttalkinclass Don ttalkwitheachotherinclass Stoptalkinginclass Don tsmoke It sbadforyourhealth Don tplaycardsatschool Don tlistentomusicintheclassroom Let stalkaboutourfamilyrules Don twastewater Turnoffthelightswhenweleavetheroom Pairwork eatinbed watchTVlate talkloudlyonthephone getuplateonSundays playcomputergameslateatnight singloudlyatnight makethebedaftergettingup cleanthebedroom A Whatdoyouhavetodoathome B Wehaveto A Whatcan tyoudo B Wecan t Pairwork 情态动词can的用法1 表示能力 会 能 Canyouplaytheguitar 你会弹吉他吗 JimcanspeakChinese 吉姆会说中文 Icandanceandsing 我能唱歌又能跳舞 2 表示允许 许可 可以 能 Canthestudentsruninthehallway学生们可以在走廊上跑吗 Wecaneatoutside 我们可以在外面吃东西 注意 和大部分情态动词一样 can在否定句中 直接在can后加上not 在疑问句中 把can放到主语前面 并且没有人称和数的变化 Grammar haveto的用法表示客观的必要性 必须 不得不 在一定意义上与must可以互换 must没有人称 数和时态的变化 haveto有人称 数和时态变化 Wehavetodohomeworkafterschool Theymustbeontimeforclass Shehastobequietinthelibrary Doyouhavetogotoschoolontime 注意 haveto在否定句中 直接在haveto前面加don t 在一般疑问句中 在主语前面加助动词do 并且有人称 数和时态的变化 肯定祈使句Sitdown Comein Eatathome Let sgohome 否定祈使句Don tsitdown Don tcomein Don teatathome Don ttalkinclass Grammar 祈使句用来表示请求 命令 叮嘱 号召或者劝告等 主语常是第二人称you 也就是听话者 因而you常省去 祈使句的开头是动词原形 句首或句末加上please 若在句末加please 之前要用逗号隔开 祈使句的否定形式多以donot 常缩写成don t 开头 再加上动词原形 1 Sitdown 2 Comein 3 Eatathome Don tsitdown Don tcomein Don teatathome 把下列祈使句改成否定句 Practice 4 Listentomusicoutside 5 Doyourhomeworkatschool Don tlistentomusicoutside Don tdoyourhomeworkatschool 1 late don t forschool arrive 2 music listento intheclassroom don t 3 eat can t intheclassroom we Don tarrivelateforschool Don tlistentomusicintheclassroom Wecan teatintheclassroom Formsentences 组句 Don tsmoke Nosmoking Don ttakephotos Nophotos Pleaseturnright Doyouknowthese Don tparkhere Noparking Don tturnleft Don ttalkloudly Don ttalk Notalking Libraryrules1 Don ttalk 2 3 4 Don teat Writetherulesfortheschoollibrary 3a Don tlistentomusic Don ttakephotos Usethewordstomakequestionsabouttherules Thenwriteanswersaccordingtoyourschool 3b 1 Bequite Q Doesshehavetobequiteinthelibrary she haveto inthelibrary A Yes shedoes 2 Eat Q he haveto inthedininghall A Doeshehavetoeatinthedininghall No hedoesn t Hecanalsoeatoutside 3 Listentomusic Q we can inthehallways A 4 Wearahat Q we can intheclassroom A Canwelistentomusicinthehallways Canwewearahatintheclassroom No wecan t No wecan t Atmydreamschool wedon thavetocometoschooleveryday We Thebestschoolrules1 Wecaneatinclass 2 Wedon thavetocometoschooleveryday 3 4 Groupwork 用所给单词的适当形式填空 1 Don t listen tomusicinthelibrary 2 Dowehaveto clean theroomeveryday 3 Youcan t wear sunglassesintheclassroom 4 Please arrive atschoolontime 准时 5 Johnisoftenlatefor class class listen clean wear arrive 将下面的句子改为祈使句 每空一词 1 Youcancomein please 2 Icanhelpyou me you 3 Youcan teatinclass inclass 4 Youcan tbelateforschool latefor