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1、2022年高中英語 Unit4 Job hunter-grammar教案 牛津上海版S1B 一、章節(jié)分析 （一）綜述 本章節(jié)主要語法---由when,as,while,after,before.as ,since,untile等引導(dǎo)的時間狀語從句和由because,since,as,for,等引導(dǎo)的原因狀語從句。本課不僅要介紹課本上時間狀語從句，原因狀語從句的基本用法，還應(yīng)擴展由其他連接詞引導(dǎo)的時間狀語從句和原因狀語的用法，以及它們之間的聯(lián)系和區(qū)別?？偨Y(jié)時間狀語從句和原因狀語從句的用法，但不應(yīng)挖得太深。 （二）目標(biāo) 學(xué)習(xí)時間狀語從句和原因狀語從句的基本用法。 （三）教學(xué)方法

2、 口語情景教學(xué)法( 教師創(chuàng)設(shè)情景，學(xué)生主要通過口語訓(xùn)練達到對語言知識的掌握) （四）重點和難點 1 A部分簡單總結(jié)時間狀語從句 2 B部分簡單總結(jié)原因狀語從句 3 增加一些練習(xí) 二、教學(xué)設(shè)計（Teaching Designs） 教學(xué)內(nèi)容 教學(xué)實施建議 教學(xué)資源參考 Lead –in l 讓學(xué)生們看一寫圖片，根據(jù)時間要求來排列這些圖片。 l 通過配對練習(xí)，使得學(xué)生對時間狀語的結(jié)構(gòu)有所了解。 圖片可掃描書上 P8, p9, p10 《牛津英語教學(xué)參考》Page62-64 Practice l 作一些句型操練（見鏈接1） Exercises and hom

3、ework l 學(xué)生做一些教師精選的單項選擇，以便鞏固所學(xué)語法。 [鏈接1] 說明： 這是一份關(guān)于時間狀語從句的基礎(chǔ)教學(xué)的教案與課件。 Step One lead-in 1. Look at these pictures and match the order. 2. Give the students the following matching exercise to do , to familiarize them with adverb clauses on board, omitting the underlining which is given her

4、e for your reference Step Two Presentation Explain the rules of the adverb clause 1．時間狀語從句的連詞 表示時間的連詞有when, while, as, by the time, before, after, since, till/until, as soon as，有些名詞短語也可以引導(dǎo)時間狀語從句，如the moment, the instant, each time，有些是固定句型如：no sooner … than hardly/scarcely …when。在這些連詞的使

5、用中應(yīng)注意 ① as強調(diào)同時，也表示"一邊……，一邊……"，while表示主句動作發(fā)生在從句的過程之中，要求從句謂語動詞為狀態(tài)動詞或持續(xù)性動詞，when的使用則比較簡單，相當(dāng)于漢語的"當(dāng)……時候"。如： Doing your homework is a sure way to improve your test scores, and this is especially true ____ it es to classroom tests. A.when B.since C.before D.after 四個選項都表示時間，但根據(jù)主從句間的關(guān)系可以判斷答案 為A。

6、 ② 注意when的特殊句型 下列句型中when連接的不是時間狀語從句，但考試中卻常與其它時間狀語從句的連詞一塊出題。 were/was doing something when … were/was about to do something when … had just done something when … I had just started back for the house to change my clothes ___ I heard voices. A.as B.when C.after D.while I felt somewhat

7、 disappointed and was about to leave ___ something occurred which attracted my attention. A.unless B.until C.when D.while ③ 注意no sooner … than ….和hardly/scarcely …when句中的時態(tài)。 ④ 注意not … until 中時間狀語可以提前。如 ____ quite recently, most mothers in Britain did not take paid work outside the home.

8、 A.Before B.Until C.From D.Since 但只要同學(xué)們能夠辨認(rèn)not … until 的句法結(jié)構(gòu)，答案也就顯而易見。 比較常見的提前方式是將not until….提至句首，后面用肯定形式，主謂倒裝。本題可以改成，Not until quite recently did most mothers in Britain take paid work outside the home.這時，句子采用主謂倒裝結(jié)構(gòu)，應(yīng)注意。 ⑤ 在對名詞短語做連詞引導(dǎo)時間狀語從句時，常與名詞構(gòu)成的其它短語相區(qū)別。如： You see the lightening ___

9、it happens, but you hear the thunder later. A.the instant B.for an instant C.on the instant D.in an instant 能夠引導(dǎo)時間狀語從句的是名詞the instant，而不是由其構(gòu)成的介詞短語。 ⑥ 注意含有時間狀語從句的固定句型，如It won't be long before … 和It is …since兩類句型。It won't be long before可以有三個變體，即：It was (not) + 一段時間 + before，It won't be + 一段時

10、間+ before。 Scientists say it may be five or ten years ____ it is possible to test this medicine on human patients. A.since B.before C.after D.when 2．原因狀語從句的連詞 　　原因狀語從句一般由because, since, as, now that, considering that, seeing that連接。對于表原因連詞本身的區(qū)別考查相對較少，主要是與其它狀語從句連詞的對比。如： ① ____ you are le

11、aving tomorrow, we can eat dinner together tonight. A.For B.Since C.Before D.While ② ____ that my head had cleared, my brain was also beginning to work much better.(1997.6) A.For B.Now C.Since D.Despite 1) 從以上兩題可以看出，首先，同學(xué)們要根據(jù)主從句的語意關(guān)系，確定是什么狀語從句，然后在進行選擇。 2) 注意連詞的結(jié)構(gòu)，如2）為Now that的搭配。 3) 注

12、意for, because, since/as的區(qū)別。一般說來，for不表示原因，其所連接的是并列句，是一種解釋說明，尤其是當(dāng)用結(jié)果來反證原因時。如： He must have experienced something very unpleasant, for he looks so upset. You must try to rid yourself of your carelessness, for it often leads to errors. 4) 注意引導(dǎo)原因狀語從句的還可以是considering/seeing that，其用法與since/as相同。如：

13、Considering that he is only a beginner, it is understandable for him to make such mistakes. Seeing that you have e, you may as well stay here for a few days. (見課件：狀語從句.ppt) [鏈接2] 說明： 這是針對時間狀語的一些練習(xí)。 I．在下列各句的空格中填入適當(dāng)?shù)倪B詞： 　　1. _________ he es tomorrow, I shall ask where he has been.

14、　　2. _________ he was speaking, everybody listened carefully. 　　3. I saw her just _________ she was getting off the train. 　　4. Have a good look at that man _________ you pass him. 　　5. It was already eight o'clock _________ we got there. 　　6. I was about to go out _________ a visi- tor came

15、. 　　7. We'll go to the country at the beginning of June, _________ the summer harvest will start. 　　8. He learned to speak German _________ he was in Berlin. 　　9. Henry is in charge of the office ________ Mr. Smith is away. 　　10. I listen to the recorder _________ I have time. 　　11. He had

16、 learned Chinese _________ he came to China. 　　12. _________ the work was done, we sat down to sum up experience. 　　13. I haven't seen him _________ he moved to the other side of the town. 　　14. I waited ________ he came back. 　　15. It was not ________ he took off his eyeglasses that I recog

17、nized him. 　　16. She likes everything to be in place ________ she starts to work. 　　17. The thieves ran away _________ they caught sight of the police. 　　18. They decided to go back home _________ their money ran out. 　　19. We played outside till sunset, _________ it began to rain. 　Key:

18、 　　1. When 2. While / When 3. as 4. when/as 5. when 6. when 7. when 8. while 9. while 10. whenever 11. before 12. After 13. since 14. till/until 15. until 16. before 17. as soon as 18. before 19. when II． 從A、B、C、D中選出可以填入空白處的最佳答案。 1. It was quiet ________ those big trucks started ing through the to

19、wn. A. before B. after C. until D. unless 2. It seemed only seconds ________ the boy finished washing his face. A. when B. before C. after D. even if 3. Hardly had he reached the school gate ________ the bell rang. A. while B. when C. as D. as soon as 4. ________ you begin, I think you

20、 must continue. A. When B. Whenever C. Once D. Even if 5. I recognized you ________ I saw you at the airport. A. the moment B. while C. after D. once 6. He was about to go to bed ________ the doorbell rang. A. while B. as C. before D. when 7.________I listen to your advice, I get into t

21、rouble. A. Every time B. When C. While D. Until 8. _____ John was watching TV, his wife was cooking. A. As B. As soon as C. While D. Till 9. The children ran away from the orchard(果園) ______ they saw the guard. A. the moment B. after C. before D. as 10. No sooner had I arrived home _____ it began to rain. A. when B. while C. as D. than 參考答案 一、1.since, 2.when, 3.as soon as 4.until 5.the moment 二、1. C 2. B 3. B 4. C 5. A 6. D 7.A 8.C 9.A 10.D