名词变复数的规则1,一般情况加s2,以-s,-x,-sh,-ch结尾的名词在词尾加-esclassboxbrushwatch3,以“辅音字母+y”结尾的词,先将y变成i,再加escityesesescitieses4,以“辅音字母+o”结尾的词,有生命的加estomatopotato无生命的加sphoto以“元音字母+o”结尾的词,只加szooradioesessss5,以f或fe结尾的词,将f或fe改为v再加es,knifeleaf6,有些名词的复数是特殊的manknivesleavesmenwomanwomenfoottoothchildfeetteethchildren根要求改写句子1.Thiswomanisveryhard-working.(改为复数2.Whataretheirjobs?(改为单数)3.Whoisthisyoungman?(改为复数)4.Thosemenareofficeassistants.(改为单数)Thesewomenareveryhard-working.Whatishis/herjob?Whoaretheseyoungmen?Thatmanisanofficeassistant.Lesson19TiredandthirtychildThisisagirl.Thisisaboy.Thisisthegirlandtheboy’smother.rentheirChild孩子(一个)复数childrenMum妈妈Dad爸爸What’sthis?It’sanicecream.icecreamWhatarethese?Theyareicecreams.anicecreammanWhoistheman?Heisanicecreamman.Thereisanicecreamman.Thereisatable.Thereisacuponthetable.在桌子上Thereisacase.Thereisaballinthecase.在箱子里thirstyWhat’sthematter?Itisthirsty.tiredWhat’sthematterwithher?Sheistired.Whydothechildrenthanktheirmother?Becausetheirmotherbuystwoicecreamsforthem.lesson19.mp3LanguagepointsWhat'sthematter?=Tellmewhat’swrong?=What’swrong?What’sthematterwith+sb.What'sthematterwiththechildren?Itdoesn'tmatter.没关系Itmatters.有关系Grammer•Therebe句型•therebe句型:表示某处有某物•thereis+可数名词的单数/不可数名词•Thereisapen,twobooksandaknifeonthedesk.•课桌上有一枝钢笔、两本书和一把小刀。(第一个并列名词是单数,所以用is)•thereare+可数名词的复数形式常见方位介词:in、on、over、underon:在…上面,接触物体表面over:越过,垂直上方,不接触表面in:在…里面,物体里面to:往,向,表示去向方向into:进入…里面,从外到里进入的过程outof:在…外,从里面出来across:横穿[在物体表面横穿],从平面穿过through:从里面(中间)穿过under:在……下面deside:在……旁边near:在……附近between:在……两者之间among在…中间(两者以上)over:从斜面穿过介词用法:跟在be动词之后跟在一些不及物动词之后openItisopen.Theyareopen.shutTheyareshut.heavyTheyareheavy.lightTheyarelight.bigTheyarebig.smallTheyaresmall.longTheyarelong.Whatisthematter,children?Wearetired.Wearethirsty./θ//ə:/th[θ]thankthink想thirsty口渴mouth嘴巴ir[ə:]girlshirt衬衣skirt裙子sir先生