Topic 2 I’m excited about the things that will be discovered in the future.语法复习课件34张PPT

课件34张PPT。专题复习
The Passive VoiceWhat is the Passive Voice ?
被动语态是英语动词的一种特殊形式，相当于汉语中
的“被。。。”“受。。。”。

他没考好，他爸爸揍他了。
（他被他爸爸揍了。）。
Bad Morning
It was a bad morning for Bill . While he was waiting for
the bus, he was almost
run over by a car .
While he was on the bus,
his wallet was stolen.被动语态的表达方式

be + 动词的过去分词 am , is , arewas , werewill / shall + be情态动词 + be过去分词长啥样？For examplewatered wateredused usedstopped stoppedstudied studieddid donetaught taught重读闭音节结尾，末尾只有一个辅音字母，双写 + ed辅音 + y 结尾的，改 y 为 i+ eddestroyed destroyed 不规则变化动词过去式，过去分词see______ ______ make ______ ______
fall ______ ______ speak ______ ______
sell ______ ______ come ______ ______
try ______ ______ teach ______ ______
buy ______ ______ hear ______ ______
get ______ ______ put ______ ______
take ______ ______ choose ______ ______
grow ______ ______ build ______ ______sawseenmademadefellfallenspokespokensoldsoldcamecometried triedtaught taughtbought boughtheard heardgot gotput puttook takengrew grownchose chosenbuilt builtShe waters the flowers every day.The flowersevery day.are wateredby her
将主动语态的宾语变为被动语态的主语
将主动谓语变为 be+过去分词 （be和新句子的主语配）
将主动语态的主语变为 by+ 宾格（主动语态）如何把主动语态改为被动语态？

He plays basketball every week. (played) Basketball every week.is playedby him一般现在时的被动语态：am [is , are]+过去分词
They do their homework after school. ( done)Their homework after school.is doneby them一般现在时的被动语态：am [is , are]+过去分词
My mother sweeps the floor every day.(swept)The floor every day.is sweptby my mother一般现在时的被动语态：am [is , are]+过去分词
I bought a computer last term．(bought)
一般过去时的被动语态：was [were]+过去分词
A computerlast term.was boughtby meChinese people built the Great Wall many years ago.The Great Wall was built by Chinese people many years ago. 一般过去时的被动语态：was [were]+过去分词
The students planted many trees yesterday.Many treeswere plantedby the students yesterday.一般过去时的被动语态：was [were]+过去分词
They will clean the classroom after school.
将来时的被动： 主语+ will / shall + be+过去分词The classroomwill be cleanedby themafter school.
将来时的被动： 主语+ will / shall + be+过去分词 They shall finish the work in 3 days.The workshall be finishedby themin 3 days. He can carry the basket. （carried) The basket can be carried by him.
情态动词 ： 主语+ can/must/should等情态动词 + be+过去分词The basket can be carriedby him .Our students mustn’t smoke cigarettes.
情态动词 ： 主语+ can/must/should等情态动词 + be+过去分词Cigarettesmustn’t be smokedby our students. 1.People use knives for cutting things.
Knives ______ ______ for cutting things.
2.The students clean the windows of their classroom twice a month.
The windows of their classroom______ _______ twice a month. are used(变被动语态）More exercises3.I found the ticket on the floor.
______ ______ ______ ______ on the floor.
4.I told her to return the book in time.
She ______ _______ to return the book in time.The ticket was found was told3. We found the ticket on the floor .5.The teacher asked Tom to turn on the computer.
Tom _______ ________ to turn on the computer.
6.In this factory women do most of the work.
Most of the work _______ ________ by women in this factory. was asked is done7.He can mend the bike in two days.
The bike ______ ______ _______ in two days.
8.You must take this medicine three times a day.
This medicine _______ _______ ________ three times a day. can be mended7.He can mend the bike in two days.
The bike ______ ______ _______ in two days.
8.You must take this medicine three times a day.
This medicine _______ _______ ________ three times a day. can be mended特别提示1使役动词和感官动词，如：make,have,let,see,hear,watch等在被动语态中，充当宾语补足语的不定式要带to。
For example:
The boss often makes me work ten hours a day.
I ______ often _______ _______ ______ ten hours a day.ammade to work特别提示2 带有双宾的句子变为被动语态，若把直接宾语变为主语，则要添加介词。
For example:
My father bought me a new bike.
A new bike _____ _____ _______ ______ ten hours a day.wasbought for me 特别提示3常用被动语态固定短语
For example:
be used as
be made from
be made of
be covered with
be filled with
be allowed to do sth被用作…..由……制成被……覆盖被……充满被允许做某事由……制成阅读拓展Different gestures mean different things in different countries. Sometimes a gesture that is polite in one country is not polite in another and should not be used. 1 . A gesture that many people do not understand is one that uses the thumb. Most westerners will sometimes show that they like something by holding out a closed hand with the thumb lifting in the air. This is called give someone or something “the thumb up”. Often, only one thumb is used, so it should be “the thumb up”. The usual explanation for the origin of this gesture is not really correct. It says that in ancient Roman times, when people were pleased with the way a gladiator(角斗士) had fought,
2 . When they were not pleased, they gave the thumbs down. When a gladiator was given the thumbs up, the emperor allowed him to live. 3 , the emperor ordered him to be killed.? The truth is, however, it was translated into a wrong meaning by mistake. If people wanted to save the gladiator, 4 . If they wanted the gladiator to die, they pointed their thumbs straight at him.CDAB阅读上面短文，把A-D四个句子填入文中空缺处，使短文内容完整、正确，然后完成第5小题。
A.When a gladiator was given the thumbs down
B.they put out their hands and hid their thumbs in their hands
C.Different meanings of gestures can also cause problems in understanding what
another person is trying to say
D.they showed their thumbs up
( )5. The main idea of this article is about____________.
A. gestures around the world B. closed thumbs
C. gestures in ancient Rome D. the thumbs-up gestureD　　What is the home to the large number of animals and plants? Yes, they are rainforests. Have you 1．＿＿＿＿＿rainforests before? They are very beautiful. Once you have a 2 ．＿＿＿＿＿＿(机会), you should go and visit it. A rainforest can be 3 ．＿＿＿＿＿＿(describe) as a tall jungle(丛林). The 4 ．＿＿＿＿＿＿ 【ˊri:zn】why it is called a “rain” forest is the high amount of rainfall it gets every year.
　 Rainforests are found in Africa, Asia, Australia and 　　　5 ．Ｓ＿＿＿＿＿＿ America. The largest and most 6 ．
＿＿＿ 【ˊfeim s】 rainforest in the world is the Amazon(亚马逊) rainforest in South America.
visitedchancedescribedreasonouth_famousThe Amazon rainforest is home to more species of plants and 7．＿＿＿＿than any other natural area in the world. There are many animals in the Amazon, 8 ．＿＿＿＿ as jaguars(美洲豹) and many kinds of monkeys and parrots.
Nearly 20 percent of the Amazon has been destroyed over the past 40 9 ．＿＿＿＿. But since 2004 Brazil has begun to　10 ．＿＿＿＿(保护) much of the area for future generations.
animalssuchyearsprotect书面表达。
英语是世界上使用最广泛的语言，其地位和作用日益重要。中国已于2008年成功举办了奥运会，并与世界各地的来宾共同交流、学习。请以Let’s Study English Well为题，谈谈学好英语的重要性。(80词左右)
Let’s Study English Well
English is widely used around the world. It’s used as the first/official language in many countries. It’s also used as a second language in many other countries in the world. It’s important for a businessman or a businesswoman to learn English well. English is a popular language of the world’s airlines and international business. And two thirds of the world’s scientists read and write in English. About 200 million users of the Internet communicate in English, too. What’s more, the 2008 Olympic Games was held in Beijing, and this calls for the whole nation to learn English. English is becoming more and more important in our daily life. We should study it well.
Homework
1. Write a passage about “Let’s Study English well.”
2.Review the use of passive voice.
3.Preview Non-Finite Verbs.
Thank you!