新概念英语课件Lesson19-20（共38张）

Warmup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escityesesescities名词单复数？es4,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szooradioesessss名词单复数？5，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名词单复数？根要求改写句子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.HaveadictationLesson19Tiredandthirty

Let'smeetthem.childThisisagirl.Thisisaboy.Thisisthegirlandthe

boy’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.ListenandanswerWhydothechildrenthanktheirmother?Becausetheirmotherbuystwoicecreamsforthem.lesson19.mp3LanguagepointsWhat'sthematter?=Tellmewhat’swrong?=What’swrong?What’sthematterwith+sb.What'sthematterwiththechildren?Itdoesn'tmatter.没关系Itmatters.有关系GrammerTherebe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DomoreexercisesopenItisopen.Theyareopen.shutTheyareshut.heavyTheyareheavy.lightTheyarelight.bigTheyarebig.smallTheyaresmall.longTheyarelong.我的自然发音Whatisthematter,children?Wearetired.Wearethirsty./