青少版新概念英语2A-Unit5-课件.ppt

1、1Unit5 All about ants!2DiscussionDo you know ants?What do you think of them?3 Guess “T”or“F”Ants usually live in wet places.4T or FAnts may breathe under water.5Ants always stretch their legs in the morning.T or F6Ants usually yawn in the evening.T or F7ant8webpage910breathe11stretch12yawn13insect14

2、New words and expressions:ants insect webpage website look up yawn 蚂蚁 昆虫 网页 网站 查阅 打哈欠15New words and expressions:breathe stretch survive use also funnily enough 呼吸伸展肢体幸存，生存下来用，使用也，并且十分有趣地16 昆虫昆虫 使用使用 蚂蚁蚂蚁 幸存幸存 网页网页 网站网站 呼吸呼吸 打哈欠打哈欠17生存生存5伸展伸展 5晚上晚上1腿腿2用用2呼吸呼吸4网站网站 3 昆虫昆虫3 Words Memory18 Robert:Look

3、at this_,Mum.Its about_.Karen:Ants?Why are you _ants?webpageantslooking up19 Robert:Why not?Ants are really_.They do really interesting things.Karen:What kind of thing?interesting20 Robert:Well,they_ live in _places.But they can_ under water for_ weeks.Karen:Really?usuallydrysurvive two21 Karen:Do t

4、hey _under water?Robert:It doesnt say.breathe22 Robert:Oh,Mum,how about this?Ants always _their legs in the_.Karen:Youre joking!Robert:No,_!stretchmorningreally23 Karen:Do they usually _in the morning,too?Robert:Well,_,they do!yawnfunnily enough24Grammar Points 1 Look at this webpage.Practice Look a

5、t _.(I)Look at _.(she)Look at _.(he)Look at _.(they)Look at _.(us)看看25Grammar 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.关于关于26Grammar Point 3 Why are you looking up ants?Why not?Ants are really interesting.“为什么不呢为什么不呢”，我

6、们可以用我们可以用“why not”来回答来回答“why”引导引导的特殊疑问句的特殊疑问句27Grammar Point 4 They usually live in dry places.They dont usually live in wet places.28Grammar 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。表示某一动作持表示某一动作持续一段时间。续一段时间。29Grammar Point 6 How about this?（这个呢？）M

7、ake up your own dialogue with“how about”.For example:How old is your mother?My mother is 35 years old.How about your father?He is 36 years old.30Grammar Point 7 Karen:Do they usually yawn in the morning,too?Robert:Well,funnily enough,they do!表示表示they yawn;do 在这里指代前面出在这里指代前面出现过的动词，避免重复出现现过的动词，避免重复出现。

8、31go to schoolgo to school32arrives home33listen to the newslisten to the news34goes to workgoes to work35goes to shoppinggoes to shopping36prepares a mealprepares a meal37come homecome home38watch TVwatch TV39What time is it?Its 12 oclock.40What time is it?Its ten past one.41What time is it?Its a q

9、uarter past two.42What time is it?Its half past five.43What time is it?Its twenty to eight.44What time is it?Its a quarter to nine.45Attention!分在前，时在后；分在前，时在后；过用过用past，差用，差用to；一刻一刻quarter；半；半half46five oclockfive oclockten past tenten past ten47twenty-five past tentwenty-five past tenhalf past twoha

10、lf past two48a quarter to twelvea quarter to twelvetwenty to eleventwenty to eleven49pasttooclockhalf past50一般现在时（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.51二只有主语在第三人称单数时用动词的“三单形式

11、”，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 play plays like likes 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-watches wish-wishes do-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-studies cry-cries fly-flies 不规则变化：be-is have-has 52三、一般现在时的句子转换：（1）变一般疑问句：当句

12、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：She is my sister.否定句 She is not my sister.疑问句 Is she your sister?陈述句：I can play soccer.否定句 I can not/cant play soccer 疑问句 Can you play soccer?Yes,Ican./No,I cant.53改写句子改写句子1)1)Nancy is a girl.Nancy is a girl.（改一般疑问句肯定回答）2)2)Are they good friends?Are they good friends?（肯定回答）3)They always make cake together.3)They always make cake together.（改否定句）4)4)He doesnt go to school by bus.He doesnt go to school by bus.（改肯定句）5)5)I want a hamburger.I want a hamburger.（改一般疑问句否定回答）