江苏省兴化市昭阳湖初级中学八年级英语上册 Unit 4 Do it yourself Grammar课件1 （新版）牛津版.ppt

unit4doityourself grammara guessinggame don tsmoke nosmoking guessinggame don tplayfootball turnleft guessinggame turnright guessinggame guessinggame don tparkyourcar guessinggame don teat guessinggame don tpicktheflowers bequiet please don tmakeanynoise guessinggame goupstairs guessinggame guessinggame godownstairs readandobserve 观察 turnleft turnright pleasegoupstairs godownstairs bequiet please don tsmoke don tplayfootball don tparkyourcar pleasedon teat don tpicktheflowers 1 祈使句 imperativesentence 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 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 letsbdosth 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 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 有些可以用no开头用来表示禁止性的祈使句如 nosmoking 禁止吸烟nofishing 禁止钓鱼 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 standup please 请站起来 pleasehavearest havearest please 请休息一下 祈使句 祈使句 无主语 只用动词原形就可以 表示请求或命令 加上please表客气 如果变成否定句 don t开头是规律 millieisteachingherclassmateshowtomakecardstohelpthemrememberthingsbetter lookatthepicturesandhelpmilliecompletetheinstruction howtomakecards outpiecesofcardwithapairofscissors cut somewordsorasentenceoneachcard write apictureaboutthewordsorsentenceontheothersideofthecard draw atthepictureand torememberwhatisontheotherside look try please not up trying andyouwillfindyoucanrememberthingsbetter don tgive keep 中考链接 kate yourhomeworkheretomorrow a bringb bringsc tobringd bringing 有时为了明确的向对方提出请求或发出命令 可加人物姓名 但姓名要与句子隔开 grammarb e g youshouldknowalittleaboutdiy youshouldnotputsomanybooksontheshelf yourwatchisbroken youhadbetterbuyanewone youhadbetternotbelateforschool 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 youhadbetterturnoffthelightsbeforeleavingtheclassroom 离开教室前你最好先把灯关了 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 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 hadbetternotdosth 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 abeginyourworkwithoutreadingthembjoinadiyclubtolearnmoreaboutitcbepatientdbuysometolearnmoreaboutiteplaywiththemwhenyoudodiyjobs 1 therearemanyusefulbooksaboutdiy youshould hadbetterbuysometolearnmoreaboutit 2 diyisnoteasy youshould hadbetterjoinadiyclubtolearnmoreaboutit youshouldn t hadbetternotbeginyourworkwithoutreadingthem 3 instructionsareimportant youshould hadbetterbecarefulwhenyouusethem 4 scissorscanbedangerous youshould hadbetterbepatient 5 sometimesit lltaketimetodoadiyjob ontheroad inclass 1 jim meahand a givesb isgivingc willgived give2 careful jenny thereisatreeinfrontofyou a amb c bed was3 let s ourtime a notwasteb nowastingc nottowasted nowaste4 higher andyouwillseethehouse ok a ifyoustandb tostandc whenyoustandd stand exercises 5 please doit a heb lethimc lethed him6 letanyoneopenthedoor a don tb willc notd no7 don tbelateagain sorry a imayb imustc iwilld iwon t8 callmewhenyougethome ok a imustb icanc iwilld imay exercises ii 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 bas