被动语态公开课课件

5. No smoking is allowed(allow). If you are discovered, you will be fined (fine).
Read theis sentences and make a summary. How the passive voice formed ?
How can we change a sentence into passive voice ?
We call the snowman Mr. Strong
The snowman is called Mr.Strong by us.
What are the rules ? Can you make a conclusion ?
.
the Passive Voice
（被动语态）
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Learning Objectives:
In this lesson, we are going to
Know the basic structure of passive voices.
Learn different forms in tenses.
• 2. Children are not allowed (not allow) to make a noise and upset the competitors. If they do, they will be taken away (take away) from the stadium.
• 1. Nobody is allowed (allow) to enter the stadium without a ticket. • 2. Children are not allowed (not allow) to make a noise and upset the competitors. If they do, they will be taken away (take away) from the stadium. • 3. No animals are allowed (allow) in the stadium.
一般将来时
was/were 一般过去时
was/were+being 过去进行时
had+been 过去完成时 would+be 过去将来时
情态动词+be 情态动词 will have been 将来完成时
be + done
• Conclusion: 主动变被动的一般公式 be done • do------ ____________ have been done • have done------------_______________ had been done • had done-------------_______________ will be done • will do--------_______________ must be done • must do------_______________ be being done • be doing --------______________ will have been done • will have done-----_____________
Basic form of passive voice:
be+done
different tenses
unchanged
What are they?
am/is/are
一般现在时
am/is/are+being
现在进行时
be + done
have/has+been
现在完成时
shall/will+be
How can we change a sentence into passive voice ? 1.找出主动语态句子的宾语；将其 变成被动句里的主语。
2. 根据以前学过的时态的相关知识 确定该使用哪种时态被动语态。 3. 有必要的话，还可以使用by+宾 语，揭示动作的执行者。
来自百度文库
Change the following sentences into the passive voice: 1. All of us like our Chinese teacher. Our Chinese teacher is liked by all of us. 2. We are discussing the report. The report is being discussed （by us）. 3. We have put off the basketball match. The basketball match has been put off. 4. We will finish our class next week. Our class will be finished next week.
•3. No animals are allowed (allow) in the stadium.
•4. Cheating by athletes are not excused (not excuse). They are told (tell) to leave and punished (punish).
• 4. Cheating by athletes are not excused (not excuse). They are told (tell) to leave and punished (punish). • 5. No smoking is allowed(allow). If you are discovered, you will be fined (fine).
Use passive voices correctly in basic tasks. Learn some special points about passive voices.
Rules for the Olympic Games
•1. Nobody is allowed (allow) to enter the stadium without a ticket.