青少版新概念英语2A-Unit5(共52张PPT优质PPT.ppt

1、Look at this_,Mum.Its about_.Karen:Ants?Why are you _ants?,webpage,ants,looking up,Robert:Why not?Ants are really_.They do really interesting things.Karen:What kind of thing?,interesting,Robert:Well,they_ live in _places.But they can_ under water for_ weeks.Karen:Really?,usually,dry,survive,two,Kare

2、n:Do they _under water?Robert:It doesnt say.,breathe,Robert:Oh,Mum,how about this?Ants always _their legs in the_.Karen:Youre joking!No,_!,stretch,morning,really,Karen:Do they usually _in the morning,too?Well,_,they do!,yawn,funnily enough,Grammar Points 1,Look at this webpage.Practice Look at _.（I）

3、Look at _.（she）Look at _.（he）Look at _.（they）Look at _.（us）,看,Grammar Point 2,Its about ants.Translation（翻译）Whats this about?This song is about friendship（友谊）.-What time is it now?-About 3:30.,关于,Grammar Point 3,Why are you looking up ants?Ants are really interesting.,“为什么不呢”，我们可以用“why not”来回答“why”引

4、导的特殊疑问句,Grammar Point 4,They usually live in dry places.They dont usually live in wet places.,Grammar Point 5,They can survive under water for two weeks.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。,Grammar Point 6,How about this?（这个呢？）Make up your own dialogue with“how about”.For example:

5、How old is your mother?My mother is 35 years old.How about your father?He is 36 years old.,Grammar Point 7,Karen:Do they usually yawn in the morning,too?Well,funnily enough,they do!,表示they yawn;do 在这里指代前面出现过的动词，避免重复出现。,go to school,arrives home,listen to the news,goes to work,goes to shopping,prepar

6、es a meal,come home,watch TV,What time is it?,Its 12 oclock.,What time is it?,Its ten past one.,What time is it?,Its a quarter past two.,What time is it?,Its half past five.,What time is it?,Its twenty to eight.,What time is it?,Its a quarter to nine.,Attention!,分在前，时在后；过用past，差用to；一刻quarter；半half,f

7、ive oclock,ten past ten,twenty-five past ten,half past two,a quarter to twelve,twenty to eleven,past,to,oclock,half past,一般现在时（The Simple Present Tense）,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，on Saturdays、in the morning（afternoon/evening）、every day（week/year）等.,二只有主语在第三人

8、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-s playplays likelikes ask-asks work-works get-gets call-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-does go-goes（3）以“辅音字母加-y”结尾的动词，要先变y为i再加-es try-tries study-studiescry-criesfly-flies 不规则变化：be-is have-has,三、一般现在时的句子转换：（1）变一般疑问句

9、：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）Nancy is a girl.（改一般疑问句肯定回答）2）Are they good friends?（肯定回答）3）They always make cake together.（改否定句）4）He doesnt go to school by bus.（改肯定句）5）I want a hamburger.（改一般疑问句否定回答）,