课件20张PPT。Passive voice.2．结构：be + 动词过去分词1．中考考点：一般现在时被动语态
一般过去时被动语态
一般将来时被动语态
含情态动词被动语态.不规则动词表
build--– built—built
leave—left—-- left
hold--- held--- held
send—sent --–sent
spend—spent—spent
buy–- bought--- boughtCan you remember them?read--- read— read cut---cut---cut
go—went—gone do—did—done
give—gave—given
take—took—taken
write—wrote—written
speak—spoke—spoken
grow---- grew---- grown
It is made of paperIt is used for reading It is made of glass.It is used for drinking.Made in ChinaIt is made in China.一般现在时被动语态：
be made of 由……制造的be made in 在……制造被用于 be used foram/are /is + 动词过去分词Talk about the picture事物原材料用途 metal(金属)papermetalopening the doorsending letterscutting thingsWhat is it/
are they used for ?What is this/
are these?What is it/
are they made of?..Basketball ___________ (play) by many people in the worldComputers __________ (use)
by many people.Children _______(like) potato chips.用动词的正确形式填空 is played are usedlike.Let’s do some exercise1. English ____by more and more people in the world now.
A. is spoken B. is speaking C. spoke
2. The children ___by Miss Gao.
A. are taken good care B. are taken good care of
3.Tea ___ also ____ in my hometown.
A. is… grown B. is…. grew C. is…. grow
4. The flowers ____ by students every day.
A. is watered B. are watered C. watered ABABspeak—spoke—spoken
take—took---taken
grow—grew----grown
water--- watered--- watered..1876192719761885The telephone was invented in 1876.The TV was invented in 1927.Computers were invented in 1976Cars were invented in 1885一般过去式被动语态：was/were + 动词过去分词..Tea was invented by accident.Potato chips were invented by mistake.The camera was bought yesterday.The book was written in 1990.yesterday1990buy----bought—bought
write---wrote --- written .。Let’s do some exercise1.The car _____in 1885.
A. was invented B. were invented C. invented
2. The computers _____in 1976.
A. invent B. was invented C. were invented
3. The knives ______things.
A. are used for cutting B. is used for cutting C. is cut
4. ---Did you go to Jim’s birthday party?
----No, I ____.
A. am not invited B. wasn’t invited C didn’t inviteACAB..The Olympic games will be held in 2008hold — held ---held一般将来时被动语态：will +be +动词过去分词..A sports meeting will be held next year.A new school will be built in two years...Students should be allowed to choose their own clothes.含情态动词被动语态： should / must/ could….+ be + 动 词过去分词:Pair WorkA: What do you think of our school rules?
B: I think students should be allowed to …
A: Why?
B: Because…1. watch TV every night
2. have part-time job
3. choose their own clothes
4. drive
5. go out with friends at night
6. get ears piercedExciseStudents should ____ to watch TV every day.
A. be allowed B. am allowed C. be allow
2. The flowers ______every day.
A. should be watered B. be watered C. have watered
3. The windows of the classroom ____once a week.
A. must clean B. is cleaned C. must be cleanedAAC..----What a nice camera!
----Yeah. It ___ Shanghai.
A. made in B. is made in C. made of
2. I ____ to my friend’s party last night.
A. was invited B. invited C. is visited
3 The lab(实验室） _____ about five years ago.
A. was builded B. was built C. builds
4.These photos _____when we visited the Great Wall.
A. took B. will be taken C. were taken
5. Shenzhou VI _____ into the space in the future.
A. Will be sent up B. will send up C. was sent upBABCAsend– sent--- sent 综合练习..小刀是用来切东西的。
The knife ___ _____ ____ _______things.
2. 电脑是于1927年发明的。
Computers ____ _________ in 1927.
3. 明年，一家新医院将会被建。
A new hospital ____ ____ _____ next year.
4. 作业必需按时完成。
Homework _____ ___ ________ on time.is used for cuttingwere invented will be builtmust be finished完成句子Goodbye
