课件28张PPT。Protecting
Our EnvironmentWatch a video and complete the sentencesWhat do you think of the environment in our school?Be + 过去分词A. I am _____________. The environment in our school is just so so.
B. Some students always _____________ away their paper on the ground.
C. Rubbish _____________ away in our school.
D. Textbooks ______________ on the ground in the classroom by our students.
shockedthrowis thrownare put被动语态（Passive Voice）小组讨论并完成2个任务主动语态（active voice）和被动语态（passive voice）的区别：
Some students always throw away their paper on the ground.
__________语态可以知道某人或者某物执行了动作
主动小组讨论并完成任务主动语态（active voice）和被动语态（passive voice）的区别：
Rubbish is thrown away in our school.
Textbooks are put on the ground in the classroom by our students.
当不知道或者没有必要指出动作的执行者时，用_______语态（见句子C）；
如果强调动作，可以在句子中加入_______________短语（见句子D）
被动by+ sb.Some students throw away their paper.主语谓语宾语The paper is thrown away by some students.主语谓语宾语主动语态被动语态规律： 找出___________
_____ 变________ , _____ 变________, ______ 变结构 （do---be done)主谓宾主宾宾主动词He rides the motorbike to his factory every day.The motorbike is ridden to his factory every day by him.Practice: change the sentence into
passive voice（被动语态） We call the snowman Mr Strong.The snowman is called Mr Strong by us.Be(am,are,is) + 过去分词A. I am _____________. The environment in our school is just so so.
B. Some students always _____________ away their paper on the ground.
C. Rubbish _____________ away in our school.
D. Textbooks ______________ on the ground in the classroom by our students.
shockedthrowis thrownare put被动语态（Passive Voice）Simple Present Tense
一般现在时ExerciseRubbish is thrown away in our school. ( 变成一般疑问句，并作肯定回答和否定回答)
_____________________________________________________
______________________________________________________
______________________________________________________
Rubbish is thrown away in our school. (改成否定句以及就划线部分提问)
______________________________________________________
否定句构成：_______________________________________
一般疑问句构成: ___________________________________
特殊疑问句构成：____________________________________
Is rubbish thrown away in your school?Yes, it is.No, it isn’t/ is not.Where is rubbish thrown away?Be + 主语+ 过去分词+其他？Wh- + be + 主语+ 过去分词+其他？Rubbish is not thrown away in our school?主语+ Be not +过去分词+其他What about the environment in the past?better?
worse?
The same?the air, was, harmful gases, mix with(v. 混合)
The air was mixed with harmful gases. Use the following words to make sentence. was,away, rubbish, throw, everywhere
Rubbish was thrown away everywhere. some hunters, were, endangered animals, killed,by
Endangered animals were killed by some hunters.
一般过去时的被动语态： was/were +过去分词The air was mixed with harmful gases.
Rubbish was thrown away everywhere.
Endangered animals were killed by some hunters.
The film company wanted to make a programme about cormorant fishing, so we came from the UK to China. Many cormorant fishermen ______________. In the end, Damin__________ because he is the best fishermen in his village. Then the cameras and lights _________ to Damin’s village. Damin __________ by the cameraman. A boat _________ to film on the river. were interviewedwas chosenwere takenwas filmedwas usedchoose film interview take use B. Mary watch a TV programme about Damin. It was made by a film company from the UK. This is how they filmed the programme. Complete the passage with the verbs from the box in the past passive form. P40
The environment problem is quite serious.
Can we make any plans to protect our environment?
Simple future tense
Will…Discuss and make sentences using will be/not be done trees, plant. less paper,userubbish, pick upMore trees will be planted in our school. . Less paper will be used by us. Rubbish will be picked up by our volunteers.一般将来时的被动语态：
will be/will not be +过去分词Challenge
yourselfBingo广州中考链接1.(2010) ---Excuse me. What’s this for?
--- It is a cleaner and ___________ to pick up dirt.
A. uses B. is used C. is using D. used
2. (2012) --- I’ve got the final Harry potter book.
---You will love. I__________ it twice already.
A. am reading B. have read C. was reading D. will
3. (2015) Many houses ______ by the earthquake and thousands of people were left homeless.
A. damaged B. were damaged
C. were damaging D. are damaged
4. (2014) 为了进一步美化校园，下个月会在学校种很多数。
Next month many trees _______ _______ _______ in our school to make it more beautiful.
5. (2011) 学生们每周都清洁教室的窗户。
The classroom windows ________ ________ by students every week.
答题技巧总结：
如何确定主动时态还是被动时态？__________________________________
如何确定时态？___________________________________will be plantedare cleaned看主语看时间状语/上下文语境Bali, Indonesia
A man named Richard Horner took a short video while diving. The Bali island Suppose you are Richard Horner. You are worried about the environment of Bali, so you write a letter to call every one to protect the environment in Bali. Bali used to be a very beautiful place. It (1) ____________
(被树木包围). It was also a famous diving spot. Every year, thousands of people who love diving come to dive here. However, people do something bad for the sea here. (2)________________________(塑料瓶bottle到处乱扔). What’s more, (3) __________________________ (工厂垃圾倒入大海中). (4) ____________________________ (人们不被要求保护环境).
If we don’t do something to protect it, it will be destroyed one day. We should call people to join us to protect Bali. Here are some of our suggestions. 1. _________________; 2. ______________;3. ________________ (运用被动语态提出建议)
The Bali island Suppose you are Richard Horner. You are worried about the environment of Bali, you write a letter to call every one to protect the environment in Bali. Bali used to be a very beautiful place. It (1) _________________________________________________
(被树木包围). It was also a famous diving spot. Every year, thousands of people who love diving come to dive here. However, people do something bad for the sea here. (2)_______________________________(塑料瓶到处乱扔). What’s more, (3) ___________________________________ (工厂垃圾被倒入大海中).
(4) ___________________________________ (人们不被要求保护环境).
was surrounded by trees.Bottles are thrown away everywhere.Rubbih from factories are poured into the sea.People are not asked to protect the environmrntThe Bali island Suppose you are Richard Horner. You are worried about the environment of Bali, so you write a letter to call every one to protect the environment in Bali. Bali used to be a very beautiful place. It (1) ____________
(被树木包围). It was also a famous diving spot. Every year, thousands of people who love diving come to dive here. However, people do something bad for the sea here. (2)________________________(塑料瓶bottle到处乱扔). What’s more, (3) __________________________ (工厂垃圾倒入大海中). (4) ____________________________ (人们不被要求保护环境).
If we don’t do something to protect it, it will be destroyed one day. We should call people to join us to protect Bali. Here are some of our suggestions. 1. _________________; 2. ______________;3. ________________ (运用被动语态提出建议)
被动语态： Be done
一般现在时：am/is/are +done
一般过去时：was/were +done
一般将来时：will be + doneProtect the environment from now!
Start from little! (从小事做起)
