被动语态导学案(The passive voice)
学习目标：掌握一般现在时、一般过去时、一般将来时、含有情态动词的被动语态的结构 能够正确的把主动语态变为被动语态 掌握被动语态的各种特殊用法 重点：被动语态的几种特殊用法 难点：训练被动语态的使用能力
课前预习案 一．
Lead-in
Ask students some questions, lead-in passive voice.The teacher point to the door or something, and then ask:What’s this? What’s it made of? Show some pictures and ask some questions；What should they do every day? and so on. Next write their answers on the blackboard。 . 根据下列句子
1 The door is made of wood. 2 Paper is made from wood.
3 The classroom should be cleaned by them. 4 A computer was bought by him yesterday.
思考：1 根据以上的句子，找出每个句子用了什么语态。
2 各种时态的结构是什么?
课内探究案
二. 思考一：每个句子运用了 语态。其基本结构是
主动语态变被动语态的步骤：请看以下列句
原句： People（主语 ） grow （谓语） tea（宾语）
被动句：Tea (主语) is grown (be +v过去分词) by people (by+原主语) 1 找出句子的 。 2 把原句的 变为被动语态的 。
3 把原句中的谓语动词变被动结构， 。
4 把原句的 变为by sb放在句子的后面。(若主语为人称代词时，要变为宾格) 5 剩余部分照搬
口诀：宾变主，主变宾，谓变be done , 时不变，
(二) 被动语态的时态、人称和数的变化主要体现在be的变化上，其形式与系动词be的变化形式完全一样。
一般现在时：am / is / are + done
They speak English every day.
English by them every day. 一般过去时：was / were + done
They built a new building last year.
A new building by the last year. 一般将来时：will be + done
They will built a new library in our school.
A new library by them in our school. 含情态动词时其构成: 情态动词(can may must) + be + done We must take good care of animals.
Animals good care of by us, 练习巩固: 用所给动词的适当形式填空
1 .The flowers (water)by her every day. 2. Our TV set _______________ (repair) yesterday.
3. A new building __________________ (build) in our school next year 4. Your school bag _______________ (must not put) there. 把下列句子变为被动语态
例如：People speak English in many countries. English is spoken in many countries. 1. They often plant trees in spring every year.
2 You should finish your homework today.
3 We can use computers to learn more
4 They built a new building last year.
拓展： 如果主动句带双宾语，变为被动句时，将其中一个宾语变为主语，另一个不变。一般情况下将指物的直接宾语变为被动语态的主语。例如：
She gave me a dictionary
间接宾语：人) (直接宾语：物)
I was given a dictionary(by her)
A dictionary was given to me(by her)
1）一般在_give_, __pass_, __lend_等动词后,间接宾语前用介词to. 2) 一般在__buy_, __make_, _draw_等动词后,间接宾语前用介词for. Exercise:
①Father bought me a bicycle. A bicycle me by father. ②She took me a cute cat. A cute cat me by her. 综合练习 1.单项选择
（1）One third of the earth’s surface _________ water.
A. is covered by B. was covered by C. covers by
(2).The Great Wall ______ all over the world.
A. are known B. knows C. has known D. is known (3). Some famous paintings in the hall next week.
A. will show B. were shown C. will be shown D. is shown (4). A new job to Jill as a programmer by Bill Gates yesterday.
A. was offered B. offers C. to offer D. has offered
(5 I think that a bicycle _______ for this trip. It will be fun and good for our health. A. should use B. will use C. should be used D. will be able to use (6) Thousands of young trees ________ every year in China. A. plant B. planted C. is planted D. are planted (7)A new teaching building_____ in our school next year.
A. was built B. will be built C. will build D. is built (8)Our teacher told us that our homework must on time. A finish B be finish C be finished D finished 2.完成下列句子
(1）这些花必须天天浇水，否则就会枯死。
All these flowers every day. (2) 去年我们学校建了一个新的游泳池。
A new swimming pool our school last year. (3) 昨天的会上问了很多问题。
Many questions in the meeting yesterday. (4) 在你离开前必须把所有的灯关掉。
All the lights before you leave.
归纳并记住各种时态的被动语态的结构： 一般现在时： 一般过去时： 一般将来时： 含有情态动词：
3 将下列句子变为被动语态,每空一词. 1. We can finish the work in two days.
The work _____ _____ ___ _ in two days.
2. They produce silk in Suzhou.
Silk __ __ ___ __ in Suzhou. 3. The children will sing an English song.
An English song ____ by the children 4. People use metal for making machines. Metal ____ ____ for making machines.
6. Mr Zhang will take you to the manager’s office.
You to the manager’s office by Mr Zhang. 7. The boy can do the work..
The work b y the boy. 8 My mother gave me a book.
I a book by my mother. A book me by my mothr.