新概念英語2BUnit21

1、【精品文檔】如有侵權(quán)，請聯(lián)系網(wǎng)站刪除，僅供學(xué)習(xí)與交流新概念英語2B Unit21復(fù)習(xí)Unit 19-21 重難點解析1. 四會：會聽、會說、會讀、會寫U19-21的單詞；2. 能正確運用一般過去式描述過去發(fā)生的事情；3. 掌握一般過去式不規(guī)則動詞；4. 掌握將來時的用法；課堂教學(xué)步驟及內(nèi)容【課前檢測U19-21】翻譯下列的句子： 白天氣溫會升至12攝氏度，夜間氣溫會降到4攝氏度。從今天起，會刮起西南風(fēng)，風(fēng)會從大西洋帶來暖空氣，也會帶來一些降雨。 我看了看午餐盒，發(fā)現(xiàn)了脆脆卷。 上個月十分干冷，接下來的幾天情況會有所變化。 當(dāng)天晚上，一只松鼠闖進了這個“防松鼠”喂鳥器。你是一名很成功的模特。我想

2、過平凡的生活這是我最后一次拍時裝照了。【復(fù)習(xí)U19】一、重要句子：a. Well, I bought it because of the label. This bird feeder is squirrel-proof. 我是因為標(biāo)簽上寫著“防松鼠喂鳥器”才買的。b. That night, a squirrel broke into the squirrel-proof bird feeder.當(dāng)天晚上，一只松鼠闖進了這個“防松鼠”喂鳥器。c. The squirrel s tummy became enormous. 松鼠的肚子撐得大大的。d. A dead squirrel in my

3、 bird feeder, outside my kitchen window!廚房窗戶外的喂鳥器里有只死松鼠。e. But what s the use of that?但這又有什么用呢？二、根據(jù)Lesson 37的對話，口頭回答下列問題：1.Why Polly buy the bird feeder?2.What did Polly cut down?3.What did Polly put in the bird feeder?4.After Polly took the bird feeder to the shop, what happened? 5.Where did Polly

4、hang the bird feeder?6.What happened to the squirrel s tummy?7.Who ate all the nuts?三、語音（輔音的濁化與元音發(fā)音的長短）Voicing and vowel lengthice/eyeswrite/rideplate/playedhat/hadbacks/bags【復(fù)習(xí)U20】一、重要句子：f. I want to tell you something, Daisy.我要告訴你一些事情，黛西。g. This will be my last fashion shoot.這是我最后一次拍時裝照了。h. I m go

5、ing to get an ordinary job in an office.我要找一份普通的辦公室工作。i. You re a very successful model. 你是一名很成功的模特。j. And I want an ordinary life.我想過平凡的生活。k. It ll be wonderful. 那就太棒了！二、根據(jù)Lesson 39的對話，口頭回答下列問題：1. Is Nina an unsuccessful model?7. Where will she go in the evening?2.Does she want a special life? 8. W

6、here will she cook, and who will she eat them with?3. In an office job, will she work late in the evening?9. Who will she meet, maybe, one day?4. Will she sleep in a different bed every night?10. What kind of life will they have together?5. What kind of life does Nina want?11. What will that be like

7、?6. What hours will she work in an office job?三、語音（爆破音的省略）Elision of plosiveswant to changelast Mondaywon t shefriends【復(fù)習(xí)U21】一、重要句子：l. And now it s time to nine, and time for the weather forecast.現(xiàn)在是8點55分，是天氣預(yù)報時間。m. Last month was unusually cold and dry. But all that will change in the next few days

8、.上個月十分干冷，接下來的幾天情況會有所變化。n. From today, the wind will be blow from the south west. It will bring in warm air from the Atlantic.從今天起，會刮起西南風(fēng)，風(fēng)會從大西洋帶來暖空其，也會帶來一些降雨。o. The whole country will have some rain showers in the next three days. 接下來的3天全國都會有陣雨，有時雨會很大。p. Temperature will rise to 12 degrees Celsius i

9、n the day. Night temperature will fall to 4 degrees Celsius.白天氣溫會升至12攝氏度，夜間氣溫會降到4攝氏度。q. And the outlook for next weekend: the three w s - warm, wet and windy. 預(yù)計下周末天氣會是3W-溫暖、濕潤、有風(fēng)。二、根據(jù)Lesson 41的對話，口頭回答下列問題：1. What was the weather like last month?5. What will the whole country have in the next tree d

10、ays?2. Where will the wind blow from?6. What will day and night temperatures do?3. What air will it bring in from the Atlantic?7. What will it feel like over the hills?4. When will air rain come in from the south west?8. What are the three w s?三、語音（介詞的弱讀）Weak forms: prepositionstime for the forecast

11、 rain from the south at the studio 【Units 19-21語法知識】一、一般將來時1. be going to 和will的用法區(qū)別(1)be going to含有“計劃、打算、準(zhǔn)備”的意思，而will則沒有這個意思。如：Annie is going to the supermarket.安妮準(zhǔn)備去超市。(2)be going to 表示根據(jù)主觀判斷將來肯定要發(fā)生的事情，而will表示客觀上將來勢必要發(fā)生的事情。如：Look at the cloud! Its going to rain .看烏云！要下雨了！2. be going to結(jié)構(gòu)和will結(jié)構(gòu)的比

12、較：(1) 主語+be going to+動詞原形+其他. 如：He is going to buy a new car.他準(zhǔn)備買輛新的小汽車。(2) 主語+will/shall+動詞原形+其他.如：He will buy a new car.3. 用于一般將來時和一般過去時的時間標(biāo)志詞：(1) 一般將來時：tomorrow; the day after tomorrow; next Monday; next month等。(2) 一般過去時：yesterday,; the day before yesterday; last Sunday; last week; two days ago等。

13、二、不規(guī)則動詞的過去式irregular verbsInfinitiveSimple pastbringbroughtget upgot upgivegaveleaveleftmeetmetrunransaysaidsleepslepttaketooktelltoldwinwonwritewrote【Units 19-21階段大練兵】1、 寫出下列單詞的過去式。1. tell_11. see_2. buy_12. put_3. hang_13. break_4. eat_14. become_5. go_15. cut_6. give_16. get_7. want_17. sleep_8.

14、write_18. run_9. meet_19. leave_10. bring_20. say_2、 將方框中的時間詞分類。tree hours ago, last week, the day after tomorrow, tomorrow morning, next month, a moment ago, in three days, yesterday, last Tuesday, in a moment, tomorrow, the day before yesterday, next June, next winter, last night, one month ago 過去

15、時間_將來時間_3、 按照要求改寫句子。1. We ll have some rain next week. （用last week改寫）_2. They ll move to New York in two months. （對劃線部分提問）_3. She bought a house one year ago. （改為一般疑問句）_4. Jack went to the cinema with his sister. （對劃線部分提問）_5. She will go to school tomorrow. （改為否定句）_4、 單項選擇。1. - _ did you finish your

16、 homework? - One hour ago.A. HowB. WhyC. WhenD. Who 2. - Now it s twenty to eleven, and time _ sleep. A. withB. atC. forD. of3. -What happened? - Well, a burglar _ the house and took my money away.A. broke intoB. broke inC. broke to D. broke4. - When _ the country have some rain showers? - In the ne

17、xt three days.A. didB. doC. isD. will5. Paul and Jack _ to the park tomorrow.A. goB. wentC. will goD. going6. Let s _ over to Carla at the London Weather Centre.A. goB. getC. beD. have5、 寫作。請根據(jù)表格內(nèi)容寫一篇短文，介紹你昨天做過的事和明天的計劃。注意一般過去時和一般將來是的運用。要求：1. 語句連貫，語法正確； 2. 60字詞左右。yesterdaytomorrowmorning: do homework

18、;wash clothesmorning: go to the library;do some shoppingafternoon: play footballafternoon: have a swimevening:go to Lucy s partyevening: go to the cinema _作業(yè)布置U19-21同步基礎(chǔ)過關(guān)練習(xí):根據(jù)短文內(nèi)容，選擇最佳答案。Hello! I m Alex. I often get up at 6.30a.m. Half an hour later I have my breakfast. At 7.30 a.m. I take a bus to school. I have Maths, Chinese and English classes from 8.00 a.m. I have lunch talk with my classmates at school. I have three classes from 1.40 p.m. to 4.10. p.m. in the afternoon. After school. I often play with my classmates. We often play soccer, t