Learning about Language教学目标

Unit 4 Wildlife Protection Grammar and Useful Structures

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[来源:Zxxk.Com]

Step 3. Introduce Passive Voice 语法：被动语态

一、

主动语态与被动语态的概念：

英语动词的语态有两种：⑴主动语态：表示主语是动作的执行者

⑵被动语态：表示主语是动作的承受者(常常没在有必要指出动作的执行者情况下使用) 例：They speak English. （主动语态）

主 谓 宾

English is spoken by them. （被动语态）

主 谓 介词短语

注：☆及物动词有被动语态，不及物动词必须带有介词才可以有被动语态。

例：⑴We listen to the teacher carefully in class. 主 谓 宾

The teacher is listened to by us carefully in class. 主

谓

介词短语

⑵Ｗe laughed at him . → He was laughed at by us. 二、

被动语态的结构与用法：

㈠结构：be +done (过去分词) 被动语态中的be为助动词，无意义。be可能是am , is , are也可能是was ,were或原形be。

注：☆被动语态的时态是由be的时态决定的，be是什么时态，全句就是什么时态，be后面的过去分词不变。

㈡用法：

例：①Ｈistory is made by the people. (一般现在时) ②Ｔhe cars were made in Tianjing in 1995. (一般过去时) ③The tree will be cut down next year.(一般将来时) ④Ｔhe room must be kept clean.

（含有情态动词的被动语态）

⑤The door is being opened.

（现在进行时）

⑥The film has been seen by me.

（现在完成时）

三、

被动语态的各种句型：

１、

Ｔhe song is liked by young people. (肯定句) ２、

Ｔhe song isn’t liked by young people

（否定句）

３、 Is the song liked by young people ?

（一般疑问句）

４、 Who is the song liked by ?=By whom is the song liked?

（特殊疑问句）

四、

主动语态改被动语态的方法：

方法分为三步：⑴把原句中的宾语改成主语

⑵动词改为变动形式be done(同时注意时态) ⑶原来的主语如果需要的话放在介词by后面，以指明做的 人或物，如果没有必要则省去

例：The man killed a tiger. → A tiger was killed by the man .(改的过程中要注意时态和语态两个方面) 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[来源:Zxxk.Com]

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 come to------.[来源:学科网ZXXK]

(a) checked his blood pressure (b) having his blood pressure checked (c) have his blood pressure checked (d) have checked his blood pressure Step5 .Homework 1.

Finish Ex of using structure on 29&64 2.

Finish exercises of passive voice on English Weekly 小结：因为学生初中已经对被动语态了解过，所以很多是以带而过，而着重讲解一些注意问题。通过练习，给学生巩固了被动语态用法。练习中，可以看出，学生对于被动语态一些特殊用法还是不太了解，课后还要多加练习和引导。