青少版新概念英语2A-Unit5(共52张PPT优质PPT.ppt
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Lookatthis_,Mum.Itsabout_.Karen:
Ants?
Whyareyou_ants?
webpage,ants,lookingup,Robert:
Whynot?
Antsarereally_.Theydoreallyinterestingthings.Karen:
Whatkindofthing?
interesting,Robert:
Well,they_livein_places.Buttheycan_underwaterfor_weeks.Karen:
Really?
usually,dry,survive,two,Karen:
Dothey_underwater?
Robert:
Itdoesntsay.,breathe,Robert:
Oh,Mum,howaboutthis?
Antsalways_theirlegsinthe_.Karen:
Yourejoking!
No,_!
stretch,morning,really,Karen:
Dotheyusually_inthemorning,too?
Well,_,theydo!
yawn,funnilyenough,GrammarPoints1,Lookatthiswebpage.PracticeLookat_.(I)Lookat_.(she)Lookat_.(he)Lookat_.(they)Lookat_.(us),看,GrammarPoint2,Itsaboutants.Translation(翻译)Whatsthisabout?
Thissongisaboutfriendship(友谊).-Whattimeisitnow?
-About3:
30.,关于,GrammarPoint3,Whyareyoulookingupants?
Antsarereallyinteresting.,“为什么不呢”,我们可以用“whynot”来回答“why”引导的特殊疑问句,GrammarPoint4,Theyusuallyliveindryplaces.Theydontusuallyliveinwetplaces.,GrammarPoint5,Theycansurviveunderwaterfortwoweeks.Practice:
她每天看两小时电视。
他每天睡觉八小时。
我爸爸每天早上跑步两小时。
表示某一动作持续一段时间。
GrammarPoint6,Howaboutthis?
(这个呢?
)Makeupyourowndialoguewith“howabout”.Forexample:
Howoldisyourmother?
Mymotheris35yearsold.Howaboutyourfather?
Heis36yearsold.,GrammarPoint7,Karen:
Dotheyusuallyyawninthemorning,too?
Well,funnilyenough,theydo!
表示theyyawn;
do在这里指代前面出现过的动词,避免重复出现。
gotoschool,arriveshome,listentothenews,goestowork,goestoshopping,preparesameal,comehome,watchTV,Whattimeisit?
Its12oclock.,Whattimeisit?
Itstenpastone.,Whattimeisit?
Itsaquarterpasttwo.,Whattimeisit?
Itshalfpastfive.,Whattimeisit?
Itstwentytoeight.,Whattimeisit?
Itsaquartertonine.,Attention!
分在前,时在后;
过用past,差用to;
一刻quarter;
半half,fiveoclock,tenpastten,twenty-fivepastten,halfpasttwo,aquartertotwelve,twentytoeleven,past,to,oclock,halfpast,一般现在时(TheSimplePresentTense),一般现在时表示经常发生的、习惯性的动作或存在的状态。
其时间状语为often、usually、always、sometimes等频率副词,onSaturdays、inthemorning(afternoon/evening)、everyday(week/year)等.,二只有主语在第三人称单数时用动词的“三单形式”,其他人称用动词原形。
动词三单形式的变化规则:
(1)多数直接在动词词尾加-splayplayslikelikesask-askswork-worksget-getscall-calls
(2)以字母s,x,ch,sh或o结尾的动词,在词尾直接加-es.watch-watcheswish-wishesdo-doesgo-goes(3)以“辅音字母加-y”结尾的动词,要先变y为i再加-estry-triesstudy-studiescry-criesfly-flies不规则变化:
be-ishave-has,三、一般现在时的句子转换:
(1)变一般疑问句:
当句子中有be动词或情态动词时,则把be动词或情态动词(can,could等)提到主语的前面,(口诀:
一调二变三问号)
(2)变否定句:
在be动词或情态动词后面直接加not变成否定句(be)后not莫忘记)例:
陈述句:
Sheismysister.否定句Sheisnotmysister.疑问句Issheyoursister?
Icanplaysoccer.否定句Icannot/cantplaysoccer疑问句Canyouplaysoccer?
Yes,Ican./No,Icant.,改写句子,1)Nancyisagirl.(改一般疑问句肯定回答)2)Aretheygoodfriends?
(肯定回答)3)Theyalwaysmakecaketogether.(改否定句)4)Hedoesntgotoschoolbybus.(改肯定句)5)Iwantahamburger.(改一般疑问句否定回答),