人教英语选修7Unit2 Robots Grammar (共16张PPT)

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名称 人教英语选修7Unit2 Robots Grammar (共16张PPT)
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科目 英语
更新时间 2020-03-24 11:51:45

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(共16张PPT)
Grammar
Passive voice (被动语态)

TEACHING AIMS
Revise the passive voice(including the infinitive) and help students to know the exact meaning of the structure.

Step1. lead-in
Find the differences between two sentences quickly.
a. My parents allow me to watch TV on weekends.
I am allowed to watch TV on weekends .
b. We can use mobile phone if we want to.
Mobile phone can’t be used in our class.

基本结构: be +动词过去分词
Step 2 Grammar learning
被动语态在谓语和非谓语中使用

ANALYSE THESE SENTENCES
1. The road is being repaired by construction workers.
The road being repaired is a side road.
2. Paper is made from wood.
Paper made from wood is cheap.
3. The meeting to be held tomorrow will draw people’s attention to wildlife protection.

(非谓语动词)
(谓语动词)
总结: 1. 被动语态在谓语中的各种使用形式
一般现在时/过去时:am/is/are done
was/ were done
2. 将来时: will /shall be done
3. 进行时:am/is /are being done
was /were being done
4. 完成时:have/has/had been done
总结2. 被动语态在非谓语中的使用形式
v-ing : being done, having been done
V-ed: 过去分词
to do: to be done, to have been done
如何使用被动语态?
作谓语还是非谓语?
(V-ing, V-ed, to do)
2.判断时态
3.判断语态
1.It is reported that a space station ________ (build) on the moon in years to come.
2.Despite the previous rounds of talks, no agreement ________ (reach) so far by the two sides.
3.To my delight, I ________ (choose) from hundreds of applicants to attend the opening ceremony.

Try your best!
(谓语)
(谓语)
(谓语)
4.—Did you enjoy the party?
—Yes. We ________ (treat) well by our hosts.
6.Unfortunately, we rushed the fallen old man to hospital, only ________ (tell) that we were responsible for him.
9.I like getting up very early in summer. The morning air is so good ______________(breathe).


(谓语)
10.The children were not ________________(blame) for the accident. After all, they were still so young.
11. Since Claire had become attached to tony, the robot needed _________(rebuild).
12. She was very beautiful but she did not like ____(envy) by so many people.
be to blame应受责备
need doing= need to be done

The book _____(belong) to the student.
注意:某些不及物动词没有被动语态
happen, take place, break out, belong to, consist of
14. He _______(seat) on a chair.
他坐在椅子上。
be +过去分词(adj.) 表状态

Homework
Make a chart and summarize the usage of the passive voice.
Finish off the followings in your exercise books.

1. I hurried to the meeting hall, only______(tell)that the meeting had been put off.
2. Little Tom should love______ (take) to the theater this evening.
3. Helen was too young _______ (assign) such a task.
4. The book is said ___________ (translate) into many languages.


5. She is busy preparing for the exams __________ (hold) next month.
6. With a lot of problems _______ (settle), the newly-elected president is having a hard time.
7. Lisa felt she was _______ (blame).
8. The question was difficult __________ (understand).

Thanks for your listening !