人教版英语九年级上册-第五单元精品PPT课件

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主动语态变为被动语态的注意事项：
含有双宾语，即直接宾语(常指事物)和间 接宾语(常指人)的句子，每个宾语都可变 为被动语态的主语，即其被动语态有两 种形式，但多以间接宾语作主语。
Jack told us the truth.
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按要求改写下列句子，一空一词。
1. Tea is grown in South China.（改为主动语 态）
People __g_ro_w___ ____te_a____ in South China.
2. People use metal for making machines. (改 为被动语态)
A. is serving
B. is served
C. serves
D. served
4. — Do you often clean your classroom?
— Yes. Our classroom ___C____ every day.
A. clean
B. cleans
C. is cleaned
6) Vegetables, eggs and fruits _a_r_e__so_l_d__ (sell) in this shop.
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主动句变为被动句所遵循的4个步骤：
1. 把原主动句中的宾语变为被动句的主语。 2. 把动词变为被动形式即be+过去分词，并注意
其人称和数随主语的变化，而动词的时态则 保持不变。
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按要求改写下列句子。
1. Do you water your flowers every day?(变 为被动句)
Are your flowers watered by you every day?
2. Trees and flowers are planted every year to make our country more beautiful. (变为疑 问句)
4. We call maths the language of science. (改 为被动句)
Maths ___i_s_____ ___ca_l_l_ed___ the language of science.
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选择正确答案。
1. Cotton __A____ in the southeast of China.
Metal __is______ ___u_s_ed____ __f_o_r__ making machines.
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3. They produce silk in Suzhou. (改为被动句)
Silk ___is______ _p_r_o_d_u_c_e_d_ in Suzhou.
This silver plate is not used very often by our family.
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把下列的主动句变为被动句。
1.People play football all over the world. Football is played all over the world by people.
3. 原主动句的主语如需要则放在by后面以它的宾格 形式出现（注代词的宾格），如不需要则可省略。
4. 其它的成分（定语、状语）不变。
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4b Rewrite the sentences using the passive voice.
2. This shop uses the best materials to make dresses.
②改为一般疑问句，并做肯定和否定回答 Is this English song sung by the girls after class?
③对划线提问
When is this English song sung by the
girls?
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被动语态的运用: （1） 不知道谁是动作的执行者或没
有必要知道谁是动作的执行者时。
The house is quite old. It was built in 1950. 这座房子太旧了，它是195ad be opened to traffic? 这条路什么时候通车?
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（2） 需要强调动作的对象即宾语时。
4
被动语态 (Passive Voice)
结构: be + V-p.p. 一般现在时的被动语态:
am / are / is + 动词的过去分词
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主动句与被动句之间的转换
Many people
speak
English.
主语 谓语动词主动语态的过去式 宾语
English
is spoken
2. The old man on TV tells a story on Sunday.
A story is told by the old man on TV on Sunday. 3. Students listen to the kind teacher carefully.
The kind teacher is listened to by students carefully.
A. is grown
B. are grown
C. grows
D. grow
2. The Great Wall __C____ all over the world.
A. knows
B. knew
C. is known
D. was known
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3. In some parts of the world, tea _B_____ with milk and sugar.
D. is cleaning
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被动语态的几种句型
1. 肯定句 主语 + be + 过去分词 + (by…) A sweet song is sung by her on the stage.
2. 否定句 主语 + be + not +过去分词 + (by…) A sweet song isn’t sung by her on the stage.
Where is tea produced in China?
How is it grown?
It is planted on the side of mountains.
They are picked by hand and then are sent
for processing.
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2. We _a_r_e_p__a_id_ (pay) by the boss on the last Friday of each month.
3. A: What language _i_s_s_p_o_k_e_n_ (speak) in Germany?
B: Most people speak German, but many
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4. The postman brings letters and postcards to people’s homes. Letters and postcards are brought to people’s homes by the postman.
5. Our family does not use this silver plate very often.
can speak English, too.
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4. Most of the earth’s surface __is_c_o_v_e_r_e_d_ (cover) by water.
5. The classroom ___is_c_l_e_a_n_e_d_ (clean) by the students every day.
by many people.
主语 谓语动词被动语态的过去分词 介词+ 宾语
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4a Complete the sentences with the correct forms of the verbs in brackets.
1. Children under 18 _a_r_e_n_o_t__a_ll_o_w_e_d(not allowed) to watch this show without their parents.
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用所给动词的正确形式填空。
1) Sunglasses __a_re__u_s_e_d__ (use) for protecting people’s eyes.
2) A picture __i_s_p_u_t___ (put) up on the blackboard.
3) French __is__sp__o_k_e_n__ (speak) in France.
Section A Grammar Focus
Read the sentences below, paying attention to the underlined parts.
Is it made of silver?
It was made in Thailand.
What is the model plane made of?
Are trees and flowers planted every year to make our country more beautiful？
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3. This English song is sung by the girls after class.
① 改为否定句 This English song is not sung by the girls after class.
The construction of the new lab must be completed by the end of next month.
新实验室必须在下个月底前完工。
You are requested to give a performance. 请你给我们表演一个节目。
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The best materials are used by this shop to make dresses.
3. Careless driving causes many traffic accidents. Many traffic accidents are caused by careless driving.
人教版英语 九
Unit5 What are the shirts made of?
Unit5 What are the shirts made of?
• 1．Focus • 2．Section A-1 • 3．Section A-2 • 4． Section A-3 • 5．Section B-1 • 6. Section B-2 • 7． Section B-3 • 8. Self Check • （单击上面课题进入对应幻灯片）
3. 一般疑问句 Be + 主语 +过去分词 + (by…)?
Is a sweet song sung by her on the stage?
4. 特殊疑问句 疑问词 + be + 主语 +过去分词 + (by…)?
Where is a sweet song sung by her?
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4) Which language ___is____ the most widely _s_p_o_k_e_n_ (speak) in the world?
5) The students _a_r_e__ often _t_o_ld__ (tell) to take care of their desks and chairs.
Calculator can't be used in the math exam. 计算器不能用于数学考试。
He was awarded first prize in that contest. 他在比赛中得了第一。
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（3）有时为了礼貌等原因不愿说出行为者, 这时也常用被动语态。