八年级英语上册 Unit 4 Do it yourself Study skills课件 （新版）牛津版.ppt

,Unit4DoItYourself,studyskills,预习检测与导入,Checkyourhomework,1.请用剪刀剪出一个老虎。(cutout)Pleasecutoutatigerwithapairofscissors.2.我建议我爸爸戒烟。(giveupdoing)Iadvisedmyfathertogiveupsmoking.3.看着图然后尽量说出另一面有什么。Lookatthepictureandtrytosaywhatisontheotherside.4.剪刀是危险的。你最好不要玩弄他们。(can,hadbetternot)Scissorscanbedangerous.Youdbetternotplaywiththem.,5.你最好不要不看题目就做作业。(hadbetternot)Youdbetternotdoyourhomeworkwithoutreadingthequestions.6.你不应该看那么多电视。(shouldnt)YoushouldntwatchsomuchTV.7.不要在课堂上大声喧哗，好吗？Dontmakemuchnoiseinclass,willyou?8.让我们去北京旅游吧，好吗？(let)LetsgoonatriptoBeijing,shallwe?,学习目标,1.知识目标：学习词汇：certain,active,possible,tidy,uncertain,inactive,impossible,untidy,incorrect,impatient学习词组：tidyup,beusualfor,bepossibletodosth.alloverthefloor,rightnow学习句子：Itsusualformetostayathomeallday,Itspossibletosleepwithalthatnoise.ImcertainthatIcanfixitmyself.Thingsarealloverthefloor.Illtidyuprightnow.,学习目标,2.技能目标：1)学习用否定前缀un-、in-和im-构成反义形容词的方法。2)学会使用否定前缀un-、in-和im-的形容词表达否定含义。,Ithinkdo-it-yourselfismeaningful.Itisreallyinterestingtodoit.,Howdoyouthinkaboutdo-it-yourself?,prefix,un-,Itisntreallyinterestingtodoit.Itisreallyuninterestingtodoit.,Idontthinkdo-it-yourselfisimportant.Ithinkdo-it-yourselfisunimportant.,Prefix前缀,Aprefixisaletteroragroupoflettersthataddtothefrontofawordtoformanewword.前缀是添加在单词前形成新的单词的一个字母或者一组字母。,theprefixesun-,in-andim-,Thebabyisnothappy.Heisunhappy.,Theboyisnothealthy.Heisunhealthy.,TheroomisnottidyItsuntidy.,Thebookisnotinteresting.Itsuninteresting.,Practise,选词填空：1.Somepeopleare_(friendly,unfriendly)tobirds.Theythrowstonestothem.2.Somepeoplefeel_(happy,unhappy)thatgovernmentgivepoorpeoplesuchsmalland_(comfortable,uncomfortable)flats.3.Itis_(safe,unsafe)towalkaloneonthestreetatnight.4.Weshouldkeepstudentsstayingawayfromthe_(healthy,unhealthy)books.,unfriendly,unhappy,uncomfortable,unsafe,unhealthy,Opposites(反义词),friendlyhappycomfortablesafehealthy,unhealthy,un-,certaincommonimportantinteresting,uninteresting,unfriendly,unhappy,uncomfortable,unsafe,uncertain,uncommon,unimportant,Tomoftensayshellotohisteachers.Heisverypolite.Aliceneversayshellotoherteachers.Sheisvery_.,politepossiblepatient,impatient,im-,impolite,impolite,impossible,Prefixim-,1.Thiscoatisveryexpensive.Itcosts1000yuan.Thatcoatisnotexpensive.Thatis_,expensivecorrectactive,inexpensive,in-,inexpensive.,incorrect,inactive,Prefixin-,Youwillbe_topasstheexamifyoudontstudyhard.(able)Something_lastintheforest.(usual)Itis_togiveourstudentsanexamonceaweek.(necessary)ItiswrongformanyyounypeopletothinklearingChineseis_.(important)Hefeels_becausehelosthiswallet.(happy)Therearesomemistakesinhishomework,its_.(correct)Itis_tofinishsomuchworkinsuchshorttime.(possible),unable,unusual,unnecessary,unimportant,unhappy,incorrect,impossible,用所给词的适当形式填空：,1.un-2.im-3.in-,最常用的前缀常用在以m/p开头的词前常用在以c开头的词前,Doyouknowthenegativeprefixes?,头脑风暴：Letstrytogether!,1._im_possible9._un_able17.un_tidy2._im_polite10._un_safe18._un_usual3._im_patient11._un_friendly19._un_certain4._im_proper12._un_happy20._uncomfortable5._in_correct13._un_healthy21._un_important6._in_active14._un_kind22._un_interesting7._in_direct15._un_lucky23._un_necessary8._in_complete16._un_pleasant24._un_common,1Annie：Doyouspendalotoftimedoingoutdoorsports?Simon:Sure.Itsusualformetostayathomeallday.2Sandy:Ourneighbournextdoorisputtingsomethingonthewall.Mum:Itspossibletosleepwithallthatnoise.,unusual,Impossible,Exercises,3Millie:Areyouabletofixyourbicycle,Andy?Andy:No.ImcertainthatIcanfixitmyself.4Mum:Suzy,yourroomisreallytidythingsarealloverthefloor.Suzy:Sorry,Mum.Illtidyup(整理)rightnow.,uncertain,untidy,Exercises,Idontbelievewhathesays,becauseheisnothonest.,Idontbelievewhathesays,becauseheis_.,dishonest,dishonest,“dis-”,Adding:,前缀dis-,dis-“不”、“无”，加在某些动词或名词前构成反义词。,dislike不喜欢disagree不同意dishonest不诚实的disappear不见，消失disorder无秩序，混乱disbelieve不信disability无能，无力,likeagreeHonestAppearorderbelieveability,Thesedesksarenotregular.Pleaseputtheseirregulardesksinorder.,regular,irregular,“ir-”,Adding:,Letsworkouttherule!,uncertain,uncomfortable,unimportant,uninteresting,impatient,impossible,inactive,incorrect