青少版新概念3A-unit-4市公开课一等奖省赛课微课金奖课件

Unit4Amuseumpiece1/40现在完成时区分：havebeento和havegonetohavebeento去了，已经回来havegoneto去了，还没有回来Reviewunit3

PatternPractice2/40Hehas__________Hollandandcameback.He_________Holland_________.(time)beentowenttolastweek3/40Hehas__________Mexicoandisstillthere.He_________Mexico_________.(time)gonetowenttolastmonth4/40Hehas__________Norwayandcameback.He_________Norway_________.(time)beentowenttolastyear5/40Hehas__________Brazilandisstillthere.He_________Brazil____________.(time)gonetowenttolastsummer6/40Hehas__________Indiaandisstillthere.He_________India______________.(time)gonetowenttoafortnightago7/40Hehas__________Australiaandcameback.He_________Australia______________.(time)beentowenttosixmonthsago8/40Hehas__________Thailandandisstillthere.He_________Thailand_________.(time)gonetowenttoin19999/40Hehas__________Chinaandcameback.He_________China_________.(time)beentowenttoin10/40祖国玩开心市场农夫水壶按时地担心短信Wordreview11/40haveagoodtimeontimestillkettleboardhomecountrytextfarmerWordreview12/40boardontimetextlikecrazyhaveagoodtimemarketstillkettlefarmerLet’sreviewanddothedictationworryexcitinghomecountry13/40Phrases:Howexciting!

Whataworryforyou!

bewithPaul

phoneoff

amomentagoputthekettleon

haveanicecupoftea

14/40We’regoingtoputthekettleon.

We’renotgoingtoworry,arewe?I’llmissherlikecrazy.We’vealreadyhadalongmorning.

HaveyoubeentotheFarmers’Markettoday?15/40PatternPractice现在完成时havebeeninsp.for+一段时间

HehasbeeninAmericafortwomonths.since/for区分since+时间点，句子for+一段时间Forexample:sincelastsummer,sinceIwasfive,fortwoweeks16/40WhereisJack?____________________Howlonghashebeen____________?Hehasbeen___________for___________.Hehasbeen__________since_____________HehasgonetotheStates.intheStatesintheStateslastMonday.intheStatesaweek17/40WhereisDaisy?____________________Howlonghasshebeen____________?Shehasbeen___________for___________.Shehasbeen__________since_____________ShehasgonetoBangkok.inBangkokinBangkoktheendofMay.inBangkokseveralweeks18/40WhereisPolly?____________________Howlonghasshebeen____________?Shehasbeen___________for___________.Shehasbeen__________since_____________Shehasgonetohospital.inhospitalinhospitallastSunday.inhospitalafewdays19/40WhereisLucy?____________________Howlonghasshebeen____________?Shehasbeen___________for___________.Shehasbeen__________since_____________Shehasgonetothedentist’s.atthedentist’satthedentist’snineo’clock.atthedentist’sanhour20/40attheairportattheairportthreeo’clock.attheairportseveralhoursTheyhavegonetotheairport.WhereareWilliamandKaren?____________________Howlonghastheybeen____________?Theyhasbeen___________for___________.Theyhasbeen__________since_____________21/40lastweekend.aweekWherearethechildren?____________________Howlonghastheybeen____________?Theyhasbeen___________for___________.Theyhasbeen__________since_____________TheyhavegonetotheSeaside.attheseasideattheseasideattheseaside22/40HowoftenhasJackbeentothecircus?________________________________________________Infact,__________________________________________Hehasn’tbeentothecircusformanyyears.hehasn’tbeentothecircussincehewaslittle.23/40HowoftenhasNinabeentotheseaside?________________________________________________Infact,________________________________________________Shehasn’tbeentotheseasideforalongtime.shehasn’tbeentotheseasidesinceshewastwo.24/40HowoftenhasPaulbeentothezoo?________________________________________________Infact,__________________________________________Hehasn’tbeentothezooforages.hehasn’tbeentothezoosincehewasveryyoung.25/40HowoftenhasAnniebeentothefunfair?________________________________________________Infact,__________________________________________Shehasn’tbeentothefunfairforyears.shehasn’tbeentothefunfairsinceshewasten.26/40Newwordsandexpressionsattic

n.

阁楼since

n.自从…以来harddisk

n.硬盘lawnmowern.

割草机Megabyte

n.

兆字节nothing

n.没有东西，没有事情jet

n.

喷气式飞机circusn.马戏团several几个zoon.动物园foragesadv.长时间funfairn.露天游乐场27/40WhatareRobertandWilliamtalkingabout?Whendiditcomeontothemarket?WheredidMumfindit?Howlonghasitbeenthere?Doesitstillwork?Whatdoesthenoisesoundlike?Whatcantheydowithit?Howlonghasn’titbeenoutofitsbox?Whoisamuseumpiece,too?Questions28/40Let'senjoytheflash!29/4030/40Robert:What’sthis,Dad?

William:It’sApple2.It’saveryearlycomputer.

Infact(实际上),it’sthefirstPersonalComputer,

ever(曾今).

Itcameontothemarket（面世）

in1977.Wheredidyoufindit?thefirst第一thesecond第二thethird第三Where特殊疑问词，在哪PC:personalcomputer个人电脑31/40Robert:Mumfounditinaboxintheattic(阁楼).

William:Oh,thenit’smine!It’sbeenthereforyears.

Infact,it’sbeentheresincewemovedintothishouse!find-found发觉Mine=mythingIt’sbeen=ithasbeen

现在完成时have/has+动词过去分词32/40现在完成时：Have/has+动词过去分词表示动词发生在过去，连续到现在或对现在产生影响，后接表示延续性时间状语。如：for+时间段since+时间点IhavebeentoAmericasinced1998.Ihavegotthecarfordfiveyears.33/40sixmonththreeyears

Sundayteno’clocklastweekend

alongtime1996January

forforsincesince34/40Robert:Doesitstill（依然）

work?

William:Idon’tknow……Ah,thereyouare!Canyouheartheharddisk（硬盘）?Can是情态动词，表示能够，有能力做某事。Can+动词原形，变普通疑问句时将Can提前至句首。35/40情态动词+动词原形can,must,may等都是情态动词，不能独立做谓语，需和实义动词连用。变普通疑问句时将情态动词直接提前至句首。Icanopenthebox.(变普通疑问句)Canyouopenthebox?36/40Robert:Isthatnoise（噪音）

theharddisk?Itsoundslikealawnmower(割草机)!

William:Itisnoisy（喧华，嘈杂）!Ithasn’tbeenoutof