2019-2020年人教版高中英語必修2 Unit 4 Wildlife protection period 2 教案1.doc

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2019-2020年人教版高中英語必修2 Unit 4 Wildlife protection period 2 教案1 1. Teaching aims Let students get used to Passive Voice in different tenses 2. Teaching difficult point How to help students master the usages of passive voice in different tenses 3. Procedure Step 1. Greeting Step 2. Daily Report Step 3. Introduce Passive Voice 語語法：被動語態(tài) 一、 主動語態(tài)與被動語態(tài)的概念： 英語動詞的語態(tài)有兩種：⑴主動語態(tài)：表示主語是動作的執(zhí)行者 ⑵被動語態(tài)：表示主語是動作的承受者(常常沒在有必要指出動作的執(zhí)行者情況下使用) 例：They speak English. （主動語態(tài)） 主 謂 賓 English is spoken by them. （被動語態(tài)） 主 謂 介詞短語 注：☆及物動詞有被動語態(tài)，不及物動詞必須帶有介詞才可以有被動語態(tài)。 例：⑴We listen to the teacher carefully in class. 主 謂 賓 →The teacher is listened to by us carefully in class. 主　 謂　 介詞短語 ⑵Ｗe laughed at him . → He was laughed at by us. 二、 被動語態(tài)的結(jié)構(gòu)與用法： ㈠結(jié)構(gòu)：be +done (過去分詞) 被動語態(tài)中的be為助動詞，無意義。be可能是am , is , are也可能是was ,were或原形be。 　注：☆被動語態(tài)的時態(tài)是由be的時態(tài)決定的，be是什么時態(tài)，全句就是什么時態(tài)，be后面的過去分詞不變。 ㈡用法： 　例：①Ｈistory is made by the people. (一般現(xiàn)在時) ②Ｔhe cars were made in Tianjing in 1995. (一般過去時) ③The tree will be cut down next year.(一般將來時) ④Ｔhe room must be kept clean.　（含有情態(tài)動詞的被動語態(tài)） ⑤The door is being opened.?。ìF(xiàn)在進行時） ⑥The film has been seen by me.?。ìF(xiàn)在完成時）　 三、 被動語態(tài)的各種句型： １、 Ｔhe song is liked by young people. (肯定句) ２、 Ｔhe song isn’t liked by young people　?。ǚ穸ň洌? ３、 Is the song liked by young people ?　　　（一般疑問句） ４、 Who is the song liked by ?=By whom is the song liked??。ㄌ厥庖蓡柧洌? 四、 主動語態(tài)改被動語態(tài)的方法： 方法分為三步：⑴把原句中的賓語改成主語 ⑵動詞改為變動形式be done(同時注意時態(tài)) ⑶原來的主語如果需要的話放在介詞by后面，以指明做的 人或物，如果沒有必要則省去 例：The man killed a tiger. → A tiger was killed by the man .(改的過程中要注意時態(tài)和語態(tài)兩個方面) 五、 特殊句型的被動語態(tài)： ⑴含有使役動詞（make /let /have）或感官動詞（hear ,see, listen to ,look at ,find ,watch, feel等）的句子，在主動語態(tài)中這些詞后常跟不帶to的動詞不定式，但是在改成被動語態(tài)時，則一定要把省去的to再加上去，另外help這一個詞在主動語態(tài)中后面的動詞不定式可以帶to,也可不帶to, 但在被動語態(tài)中也必須把to加上去。 例：①Mother often makes me do some housework. →I am often made to do some housework by mother. ②We saw him run into the classroom. →He was seen to run into the classroom by us. ⑵teach ,give ,pass ,show ,buy, tell等動詞常常帶有兩個賓語（雙賓語：直接賓語和間接賓語），改為被動語態(tài)時，兩個賓語可以選其中任一個作主語。如果直接賓語被提前作主語，那么間接賓語（一般是人）前要加相應的介詞to/for。 例：①Ｓhe gave me a pen.= She gave a pen to me. →I was given a pen by her. →A pen was given to me by her. ②My father bought me a new bike.= My father bought a new bike for me. →I was bought a new bike by my father. →A new bike was bought for me by my father. ⑶由不及物動詞（vi）+介詞/副詞＋賓語的句子改成被動語態(tài)時，介詞或副詞不能丟掉。(前面已舉過兩例) 　例：①Ｗe should speak to old people politely. →Old people should be spoken to politely ( by us). ②He took away the box.. →The box was taken away by him. ⑷含有賓語補足語的句子改為變動語態(tài)。（賓補放在原來位置不變） 　例：①We call him Xiao Ma. 主 謂　 賓 賓補 　　　→Ｈe is called Xiao Ma by us. ②He found the book very interesting. →The book was found very interesting by him. 六、 沒有被動語態(tài)的動詞： 　1. 沒有被動語態(tài)的詞， 表示狀態(tài)或特征的及物動詞如 cost, fit, have, suit等沒有被動形式，另外，諸如happen = take place, break out(爆發(fā))，break down(壞了) 等不及物動詞或短語以及諸如result from(緣于)，belong to, consist of等只用主動語態(tài)，而不用被動語態(tài) ２不及物動詞或動詞短語無被動語態(tài): appear,　die ,disappear, end (vi. 結(jié)束), fail, last, lie, remain, sit, spread（傳播）, stand, e true, fall asleep, ... ３.大多數(shù)系動詞：be , feel (摸起來)，sound(聽起來)，look(看起來)， smell(聞起來) taste（嘗起來）等詞無被動語態(tài)，它們的主動形式表示被動意義。 例：①Ｔhe skirt feels very soft. 這件裙子摸起來很柔軟。 　?、贛any changes have happened in our hometown. ③The film lasted for 3 hours. Step 4. exercises 1. I’ll be going to work on foot while my bicycle------. (a) is being repaired (b) is repaired (c) will repaired (d) has been repaired 2. The radar sets------for a long time without any trouble. (a) have been running (b) have been run (c) have run (d) were running 3. While the ice box------, a lot of defects were found. (a) was being examined (b) was examined (c) was examining (d) had been examined 4. Do you remember------to Dr. Henry during your last visit? (a) to be introduced (b) being introduced （c）having introduced (d) to have introduced 5. The book if worthy of------. (a) reading (b) read (c) having read (d) being read 6. I dislike------while try to learn skiing. (a) being looked at (b) looking at (c) to look at (d) having looked at 7. “Do you have any clothes------today?” my mother asked. (a) to wash (b)be washed (c) wash (d) to be washed 8. Excuse me, but it is time to have your temperature------. (a) taking (b) to take (c) take (d) taken 9. Let teachers’ words------. (a) being remembered (b) remembering (c) he remembered (d) remember 10. He has e to------. (a) checked his blood pressure (b) having his blood pressure checked (c) have his blood pressure checked (d) have checked his blood pressure Keys: A A A B D A D D C C Step5 .Homework 1. Finish Ex of using structure on 29&64 2. Finish exercises of passive voice on English Weekly 小結(jié)：因為學生初中已經(jīng)對被動語態(tài)了解過，所以很多是以帶而過，而著重講解一些注意問題。通過練習，給學生鞏固了被動語態(tài)用法。練習中，可以看出，學生對于被動語態(tài)一些特殊用法還是不太了解，課后還要多加練習和引導。 2nd Period 1. Teaching important point Explanation of the important sentences and difficult language points in the passage---- How Daisy Learned to Help Wildlife 2. Teaching difficult point How to make the students understand the language points better. How to help student master the usages of the language points. 3. Procedure Step 1. Greeting Step 2. Daily Report Step 3. The whole class read the passage together and mark down the language points. And then explain the important sentences and difficult language points as follows: 1. get dressed 穿上衣服 get+ p.p. get burnt/lost/ married/ hurt/broken… 2. in + some time表示在……以后 in two days 兩天后 in a week 一周后 3. show sb. sth. =show sth. to sb. 拿給某人看；對某人表示（友情等） She showed me her photos. = She showed her photos to me. 4. prefer (prefer-preferred-preferred) vt. 更喜歡……；寧愿選……（而不選） A. prefer + sth. I prefer coffee. 我更喜歡咖啡。 B. prefer + to do sth./ doing sth. I prefer to drink/drinking coffee. 我更喜歡喝咖啡。 C. prefer + that clause (should do) She preferred that she stay at home this weekend. 她愿意本周末留在家。 D. prefer (dong) A to (doing) B She prefers staying at home to going out. 他寧愿待在家里也不愿意出去。 E. prefer to do A rather than do B She prefers to stay at home rather than go out. 她寧愿呆在家不出去。 F. prefer sb. to do sth. We prefer you to go with me. 我們寧愿你和我一起去。 5. no longer= not… any longer He no longer lives here. =He doesn’t live here any longer. Step 4. Homework 1. Finish the translation exercises on English Weekly 15th 2. Finish Reading A and B on English Weekly 15th 小結(jié)：本篇文章篇幅比較長，學生還沒有看就怕了，所以為了讓他們更容易的理解，先概括整篇文章的意思。再挑難度較大的句子詳細分析，精講精練里面的語言點。一節(jié)課下來，學生基本上掌握所講解的內(nèi)容。 然而也發(fā)現(xiàn)學生對于prefer的具體用法還是懵懵懂懂，特別是prefer A to B和prefer to do A rather than B的區(qū)別，很容易混淆兩者。因此，要求他們按照prefer的六種用法各造一個句子。