译林版8年级英语上册教案课件-第4课-U4Grammar.ppt

八年级上册 英语教学课件系列 Unit4DoityourselfGrammar TolearntogiveinstructionsTolearntouseshould hadbetter 单词回顾 学生早读时已预习过本单元单词 可利用几分钟时间带学生快速回顾温习 对单词的熟练度越高 阅读的速率也越高 cutsentence vt 剪下 切下 割下n 句子 Wordsreview 全国中小学最大最全的教学课件资源网 语法讲解建议采用归纳法 如尽可能多的呈现一些相关例句 或可让学生从已学课文中找相应例句 引导学生试着从所观察到的语言现象中总结出语言规则和语法规律 Lookatthefollowingsentences 1 Let sgotothehall Mum 七年级上册U3 2 Wakeup Eddie 七年级上册U4 3 Great Let scelebrate 七年级上册U5 4 Let shaveahamburger 七年级上册U6 5 Let seatapples 七年级上册U6 6 OK Givemeten 七年级上册U6 7 Let sgotothesupermarket 七年级下册U3 8 Let sgodownhere 七年级下册U4 9 Don tbeafraid Comewithme 七年级下册U4 10 Hurryup Eddie 七年级下册U6 11 Pleasebringmesomethingtoeat 七年级下册U8 12 Let senjoyourselves 八年级上册U3 13 Wehadbettergobacktothestationnow Ken 新概念1L95 14 Iwon tchargeyouthistime Butyou dbetternotdoitagain 新概念1L129 15 Well nexttimeyou dbettertakemyadvice 新概念1L129 16 Hesuggestedthatadoublerailway tunnelshouldbebuilt 新概念2L64 17 Ofcourse weshouldarresthim 新概念2L65 Sentencesfromthisunit 1 Whatshouldwedo 2 Readthemfirst 3 You dbettergetsometools 4 Doityourself 5 Stopit GuessingGame totestyoursenseofobservationtotestyourabilityofshort termmemorytotestyourabilitytohighlightthelanguagepoints Guess 1 gotothehall Mum 2 up Eddie 3 Great celebrate 4 haveahamburger 5 eatapples 6 OK meten 7 gotothesupermarket 8 godownhere 9 afraid Comewithme Let s Wake Let s Let s Let s Give Let s Let s Don tbe 10 up Eddie 11 Please mesomethingtoeat 12 enjoyourselves 13 We gobacktothestationnow Ken 14 Iwon tchargeyouthistime Butyou notdoitagain 15 Well nexttimeyou takemyadvice Hurry bring Let s hadbetter hadbetter hadbetter 16 Hesuggestedthatadoublerailway tunnel bebuilt 17 Ofcourse we arresthim 18 What wedo 19 themfirst 20 You getsometools 21 ityourself 22 it should should should Read hadbetter Do Stop Kate yourhomeworkheretomorrow A bringB bringsC tobringD bringingYouhadbetter onyourcoat A toputB puttingC toputtingD put 以上我们已经通过归纳总结和练习对本课的语法内容有了一定的了解 下面就让我们根据之前练习的考察情况进一步选择讲解该语法项的重难点 Givinginstructions PartAGivinginstructionsPutupapictureonthewall Paintthewallsblue Don tpaintthecat Westartasentencewiththebaseformofaverbwhenwewanttotellpeoplewhattodo Weadddonot don tinfrontofaverbwhenweWanttotellpeoplenottodosomething Pleasefixtheshelfforme Don ttouchthewetpaint please Weoftenasspleaseinasentencetomakeaninstructionsmorepolite 1 祈使句的概念祈使句表示请求 命令等 它的主语是you 听话人 通常不说出 祈使句肯定结构中的谓语动词一律用动词原形 祈使句末用惊叹号或句号 句子用降调 2 祈使句的结构1 祈使句的肯定结构 Do型 以行为动词原形开头 例如 Sitdown 坐下 Standup 起立 Be型 以be开头 例如 Bequiet 安静 Becareful 小心 Let型 以let开头 例如 Letmetry 让我试试看 Let slookatthemap 让我们看看地图 let s是letus的简略式 表示请求 劝告的祈使句还常常在句前或句末加上please 构成句式 Please 或 please 以使语气更加缓和或客气 例如 Pleasestandup 或Standup please 请站起来 Pleasehavearest 或Havearest please 请休息一下 2 祈使句的否定结构 一律在肯定结构前加Donot Don t 例如 Don tgothere please 请别去那儿 Don tbelateforclass 上课别迟到 Don tlethimin 不要让他进来 注意 Let s型祈使句 其否定式也可用Let snot 例如 Let snothaverest 咱们别休息了 Let snotsithere 我们不要坐在这儿 相关口令祈使句无主语 主语you常省去 动词原形谓语当 句首加don t否定变 朗读应当用降调 句末常标感叹号 Canyoumakecardsbyyourself Canyoumakecardsbyyourself Howtomakecards LookatthepicturesandhelpMilliecompletetheinstructions cutdrawgivekeeplooktrywrite 1 outpiecesofcardwithapairofscissors Cut 2 somewordsorasentenceoneachcard Write 3 apictureaboutthewordsorsentenceontheothersideofthecard 4 atthepictureand 5 tosaywhatisontheotherside Draw Look try Please 6 not up 7 tryingandyouwillfindyoucanrememberthingsbetter don tgive Keep should hadbetter PartBUsingshouldandhadbetter YoushouldknowalittleaboutDIY Youshouldnotputsomanybooksontheshelf Yourwatchisbroken Youhadbetterbuyanewone Youhadbetternotbelateforschool Weuseshouldandhadbetterwhengivingadviceandtellingpeoplewhatwethinkisthebestorrightthingtodo Thetoneofhadbetterisstrongerthanshould 当我们给他人提建议时 可以用hadbetter和should 表示 最好 或 应该 做某事 hadbetter的语气比should强一些 Youhadbetterrefrigeratethebeerbeforedrinkingit 喝啤酒前你最好先把它冷冻一下 Youshouldexercisemore 你应该多锻炼 hadbetter 常简略为 dbetter 是一固定词组 后面必须跟动词原形 没有人称和数的变化 构成 hadbetterdosth 句型 You dbettergotohospitalatonce 你最好立即去医院看病 Tom you dbettergotheretoday 汤姆 你最好今天去那儿 hadbetter的否定式是将not直接放在hadbetter的后面 Youhadbetternotmissthelastbus 你最好不要错过末班公共汽车 should后面也要跟动词原形 且没有人称和数的变化 Youshouldstopsmoking 你应该戒烟 should的否定式是shouldnot shouldn t Youshouldn tdrinkanddrive 你不应该喝酒后开车 DIYadvice SuzyisgivingDIYadvicetoherclassmates Readtheadvicebelow HelpSuzymakesentenceswithshould not orhadbetter not beginyourworkwithoutreadingthemjoinaDIYclubtolearnmoreaboutitbepatientbuysometolearnmoreaboutitplaywiththemwhenyoudoDIYjobs 1 TherearemanyusefulbooksaboutDIY 2 DIYisnoteasy Youshould hadbetterbuysometolearnmoreaboutit Youshould hadbetterjoinaDIYclubtolearnmoreaboutit 3 Instructionsareimportant 4 Scissorscanbedangerous 5 Sometimesit lltaketimetodoaDIYjob Youshould hadbetternotbeginyourworkwithoutreadingthem Youshould hadbetternotplaywiththemwhenyoudoDIYjobs Youshould hadbetterbepatient 1 当我们向他人发出命令 提出要求或建议时 常使用祈使句 其主语通常不明确表示出来 其否定形式是在动词原形前加donot don t 为了表示客气和礼貌 可以加上please 2 当我们给他人提建议时 可以用hadbetter和should 表示 最好 或 应该 做某事 否定形式是hadbetternot和shouldnot shouldn t Reflection I 单项选择 1 TheTVistooloud Please A turnitdownB toturnitdownC turndownitD toturndownit2 lateagain Bill A Don ttobeB Don tbeC NotbeD Benot 3 crosstheroaduntilthetrafficlightsturngreen A NotB Won tC Doesn tD Don t4 methetruth orI llbeangry A TellingB TotellC ToldD Tell II 句型转换 1 Willyoupleasereaditagainmoreslowly 改为祈使句 againmoreslowly please 2 Ifyoudon tlistentome I llgo 改为同义句 me orI llgo 3 Theteachersoftentellthestudentsnottobecareless 改为祈使句 careless please 4 PleasesitnexttoNancy 改为否定句 nexttoNancy Readit Listento Don tbe Don tsit III 完成句子 1 你应该在南京换火车 changetrainsatNanjing 2 你最好在下雨前回家 beforetherainstarts 3 现在你最好别打棒球了 baseballnow 4 不要把金鱼放在阳光下 thegoldfishinthesun Yous