青少年新概念2A_unit5_All_about_ants_精講+練習

1、.ant.webpage.week.breathe.stretch.leg.yawn.arm.evening.insect.New words and expressions: ants insect webpage website look up yawn 螞蟻螞蟻 昆蟲昆蟲 網頁網頁 網站網站 查閱查閱 打哈欠打哈欠.New words and expressions: breathe stretch survive use also funnily enough 呼吸呼吸伸展肢體伸展肢體幸存，生存下來幸存，生存下來用，使用用，使用也，并且也，并且十分有趣地十分有趣地.ant insect

2、webpagelook up placesurviveweekbreathestretchleg.jokeyawnFunnily enougharmeveningalsoinsectusewebsite. 昆蟲昆蟲 使用使用 螞蟻螞蟻 幸存幸存 網頁網頁 網站網站 呼吸呼吸 打哈欠打哈欠.一般現在時一般現在時（The Simple Present Tense） 一般現在時表示經常發(fā)生的、習慣性的動一般現在時表示經常發(fā)生的、習慣性的動作或存在的狀態(tài)。其時間狀語為作或存在的狀態(tài)。其時間狀語為often、 usually、 always、 sometimes等頻率副等頻率副詞，詞，on Saturd

3、ays、 in the morning(afternoon/ evening) 、every day（ week/year ） 等等.(1）表示事物或人物的特征、狀態(tài)。 e.g.:天空是藍色的 The sky is blue. 瑪麗的爸爸是一名英語老師 Marys father is an English teacher. (2）表示經常性或習慣性的動作。 e.g.:我每天六點起床。 I get up at six every day. 她每天都做運動 She plays sports every day. （3）表示客觀現實。 e.g.:桌子有四條腿 The table has four l

4、egs. 我們班有50個學生。 There are 50 students in my class. .（4）表示客觀真理，科學原理，自然現象，等客觀事實或格言、諺語等。 太陽每天從東方升起。 The sun rises in the east every day. 地球繞著太陽轉。 The earth goes around the sun. （5）表示平日的喜好。 I like bananas. We dont like vegetables. He likes ice cream. She doesnt like strawberries. . 在一般現在時中，當主語是第三人稱單數時，謂

5、語動詞要用第三人稱單數形式，即常在動詞原形后加-s或-es。 但有些同學們對于哪些主語是第三人稱單數還不十分清楚。現歸納總結如下：一、人稱代詞he, she, it是第三人稱單數。 如： He likes watching TV. 他喜歡看電視。 She has lunch at twelve. 她十二點吃午餐。 二、單個人名、地名或稱呼作主語；是第三人稱單數。 如：Han Mei likes salsd . 韓梅喜歡薩拉。 Beijing is in China. 北京在中國。 Uncle Wang often plays volleyball. 王叔叔經常打排球。 三、單數可數名詞或“th

6、is / that / the+單數可數名詞”作 主語時，是第三人稱單數。 如：This book is yours. 這本書是你的。 That car is red. The cat is Lucys. 這只貓是露茜的。 .四、不定代詞someone, somebody, nobody, everything, something等及指示代詞this, that作主語時，是第三人稱單數。如：Everyone is here. 大家到齊了。 This is a pen. 這是一支鋼筆。 五、不可數名詞作主語時為第三人稱單數。如：The milk（牛奶） is in the glass. 牛奶在

7、玻璃杯里。 The bread is very small. 那面包很小。六、當數字或字母作主語時，看作第三人稱單數。 如：“6” is a lucky number. “6”是個吉利數字。 I is a letter. I是個字母。.二只有主語在第三人稱單數時用動詞的“三單形式”，其他人稱用動詞原形。動詞三單形式的變化規(guī)則：（1）多數直接在動詞詞尾加-s play plays like likes ask-asks work-works get-gets call-calls （2）以字母s, x, ch, sh或o結尾的動詞，在詞尾直接加-es. watch-watches wish-wi

8、shes do-does go-goes （3）以“輔音字母加- y”結尾的動詞，要先變y為i再加-es try-tries study-studies cry-cries fly-flies 不規(guī)則變化：be- is have-has .三、一般現在時的句子轉換：（1）變一般疑問句：當句子中有be動詞或情態(tài)動詞時，則把be動 詞或情態(tài)動詞(can,could等)提到主語的前面，（口訣：一調二變三問號）（2）變否定句變否定句：在be動詞或情態(tài)動詞后面直接加not變成否定句 (be）后not莫忘記) 例：陳述句：She is my sister. 否定句 She is not my sister

9、. 疑問句 Is she your sister? 陳述句：I can play soccer. 否定句 I can not /cant play soccer 疑問句 Can you play soccer? Yes,Ican./ No, I cant. .注意： 對一般疑問句的回答：一般用什么問就用什么來回答。但以下例外： Is this a pencil? Yes , it is./ No, it isnt. Is that your backpack? Yes , it is./ No, it isnt. Are these your parents? Yes, theyre./ No

10、, they arent. （3）當句子中沒有be動詞，也沒有情態(tài)動詞時，變一般疑問句時，在主語前加助動詞do (I, we, you,以及復數), does（第三人稱單數she,he,it等）變成問句；（4）變否定句時，在主語后謂語動詞前加助動詞dont,doesnt變成否定句，切記：助動詞后的動詞則還原成動詞原形。 例：陳述句：We get up（起床） at 7:00 every morning. 疑問句Do you get up at 7:00 every morning? 否定句We dont get up at 7:00 every morning. 陳述句：She has a b

11、rother. 疑問句 Does she have a brother? 否定句 She doesnt have a brother. .1.主語主語+（am/is/are）+其它其它 He is an office worker.2.主語（除第三人稱單數）主語（除第三人稱單數）+動詞原形動詞原形+其它其它 I get up at six everyday.3.主語（第三人稱單數）主語（第三人稱單數）+動詞動詞s/es+其它其它 My father usually goes to work by bus. 1.主語主語+（am/is /are）not+其它其它 He isnt an offic

12、e worker. 2.主語（除第三人稱單數）主語（除第三人稱單數）+dont+動詞原形動詞原形+其它其它 I dont get up at six everyday. 3.主語（第三人稱單數）主語（第三人稱單數）+doesnt+動詞原型動詞原型+其它其它 My father doesnt usually go to work by bus. 1.（Am/Is/Are）+主語主語+其它其它 Is he an office worker?(Yes, he is. /No, he isnt.) 2. Do+主語（除第三人稱單數）主語（除第三人稱單數）+動詞原形動詞原形+其它其它 Do you ge

13、t up at six everyday? (Yes, I do./No, I dont.) 3. Does+主語（第三人稱單數）主語（第三人稱單數）+動詞原形動詞原形+其它其它 Does your father usually go to work by bus? (Yes, he does./ No, he doesnt.).1This is my pencil ? (變一般疑問句)2. These red socks are Kates . (變一般疑問句)3. Mary does not have any books . (變肯定句) 4. She likes the black ba

14、g very much .(變?yōu)榉穸ň?5. I like apples. (用she改寫句子)6. Its an English dictionary .(對畫線部分提問) 7. He has hamburger and apples for dinner . (變一般疑問句二、用Be動詞填空。1. you Li Fen ? No, not .2. Mr. green very busy ? Yes , he3.This book very interesting .4. What class you in ?5. You and I good friends .6. The basketb

15、all club fun .三用所給動詞的適當形式填空。1. Lin Tao (like) his ruler .2. Lets (have) ice cream .3. Lets (play) tennis !.4. He (like) English.5. Nice (meet) you !6. I (need) some fruits. 三、按照要求改寫句子1. Daniel watches TV every evening.(改為否定句)_2. I do my homework every day.(改為一般疑問句，作否定回答)_3. She likes milk.(改為一般疑問句，作

16、肯定回答) _4. Amy likes playing computer games.(改為一般疑問句，作否定回答)_5. We go to school every morning.(改為否定句) _6. John comes from Canada（加拿大）(對劃線部分提問) _7. She is a good student.(改為一般疑問句，作否定回答_.填空填空1 1）What What your brother do?your brother do?2 2）He He a student.a student.3 3）Amy Amy noodles very much. noodle

17、s very much. 4 4） they read English everyday? they read English everyday? 5 5）They They in the classroom.in the classroom.(arent does likes is Do)(arent does likes is Do).改寫句子改寫句子1)1)Nancy is a girl.Nancy is a girl.（改一般疑問句改一般疑問句肯定回答肯定回答）2)2)Are they good friends?Are they good friends?（肯（肯定回答定回答） 3)T

18、hey always make cake together.3)They always make cake together. （改否定句改否定句） 4)4)He doesnt go to school by bus.He doesnt go to school by bus. （改肯定句改肯定句） 5)5)I want a hamburger.I want a hamburger. （改一般疑問句改一般疑問句否定回答否定回答） . Robert: Look at this_, Mum. Its about_. Karen: Ants? Why are you _ants?webpageant

19、slooking 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?usuallydrysurvive two Karen: Do they _under water? Robert: It doesnt say.breathe Robert: Oh

20、, Mum, how about this? Ants always _their legs in the_. Karen: Youre joking! Robert: No,_!stretchmorningreally Karen: Do they usually _in the morning, too? Robert: Well,_, they do!yawnfunnily enoughGrammar Points 1 Look at this webpage. Practice Look at _. (I) Look at _. (she) Look at _. (he) Look a

21、t _. (they) Look at _. (us)看看Grammar Point 2 Its about ants. Translation （翻譯） Whats this about? This song is about friendship(友誼). -What time is it now? -About 3:30.關于關于Grammar Point 3 Why are you looking up ants? Why not? Ants are really interesting. “為什么不呢為什么不呢”， 我們可以用我們可以用“why not” 來回答來回答“why”引導引

22、導的特殊疑問句的特殊疑問句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：她每天看兩小時電視。他每天睡覺八小時。我爸爸每天早上跑步兩小時。表示某一動作持表示某一動作持續(xù)一段時間。續(xù)一段時間。Grammar Point 6 How about this? （這個呢？） Make up your own dialogue with “how

23、 about”. For example: 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? Robert: Well, funnily enough, they do!表示表示they yawn; do 在這里指代前面出在這里指代前面出現過的動詞，避免重復出現現過的動詞，避免重復出現。Grammar Point 8將下列反義疑問

24、句補充完整，并回答問題。 The webpage is about ants, _?Ants arent boring, _?Theyre really interesting, _?They usually live in dry places, _?They can survive under water for two weeks, _?Ants dont stretch their arms in the morning, _?They stretch their legs, _?Ants usually yawn in the morning, too, _?isnt itare t

25、hey arent theydont theycant theydo theydont theydont theyNow lets read lesson 9 for 3 minutes and answer the questions. Ask questions about the text 1. ants/do/interesting things? Ants do interesting things. Do ants do interesting things? What kinds of things.? What kind of things do ants do? 2. ant

26、s/usually live/dry places? Ants usually live in dry places. Do ants usually live in dry places? Where.? Where do ants usually live? 3. ants/survive under water/two weeks? Ants can survive under water for two weeks. Can ants survive under water for two weeks? Which insects.? Which insects can survive under water for two weeks? 4. ants/stretch their legs and yawn/morning? Ants always stretch their legs and yawn in the morning. Do ants always stretch their legs and yawn in the morning? Which insects.? Which insects alw