被动语态[下学期]

课件49张PPT。被动语态一、主动语态和被动语态1) The students plant trees every year.
2) Trees are planted (by the students) every year. (主动语态)(被动语态)主动语态：表示主语是动作的执行者。被动语态：表示主语是动作的承受者。二、主动语态怎样变被动语态：The students plant trees every year.treesTrees1)把主动语态句子的宾语变为被动语态句子的主语plantare planted2)主动语态的谓语动词变为被动语态。The students(bythe students)3)把主动语态句子的主语变为介词by的宾语，然后把by组成的介词短语放在谓语动词的后面。这个介词短语有时可省略。4)剩下部分照抄。every year.三、各种时态被动语态的结构：1)The students plant trees every year.Trees are planted (by the students) every year.一般现在时：am (is, are) Ved2)The students planted trees last year.Trees were planted (by the students) last year.一般过去时：was, were Ved3)The students must plant trees every year.Trees must be planted every year. 带情态动词：must (may, can, need…) be Ved4)The students will plant trees next year.Trees will be planted next year.一般将来时：will be Ved5)The students have planted trees.Trees have been planted by the students.现在完成时：have, has been Ved(6)The students are planting trees.Trees are being planted by the students.现在进行时:am, is, are being VedExercises1) The old man takes care of the cows.
2) The writer must finish the book tomorrow.
3)He showed me his photos.
4)He has taken the old man to the hospital.
5)The doctor is going to turn on all the lights.
will turn on The cows are taken care of.The book must be finished tomorrow.I was showed his photos.His photos were showed to me.The old man has been taken to the hospital.The lights are going to be turned on.make, hear, see, let等词在被动语态中做谓语时，宾语补足语前省略的to要写出来。His brother often makes him cry.___He is often made to cry by his brother.toHe is often heard _____ in the next room.
A. sing B. to sing C. singing D. sung
2. Paul doesn’t have to be made ____. He always works hard.
A. learn B. to learn C. learning D. learned中考题1. The TV set in Japan.
(1998年广东省中考考题)
A. made B. makes
C. is made2. The floor of our classroom ____ every day. (2000年广东省中考考题)
A. is cleaned B. cleaned C. has cleaned3. My birds can by one of my friends while I'm away.
(2001年广东省中考考题)
be looking after
B. look after
C. be looked after4. I wasn't at home yesterday. I to help with the harvest on the farm.
(2002年广东省中考考题)
asked B. was asked
C. was asking D. had asked5. Grandpa is badly ill. He to hospital at once.
(2003年广东省中考考题)
A. must send B. must be sent C. will send D. may be sent6. The computer in Japan in 2003 and I have had it for only a week.
(2004年广东省中考考题)
was made B. can be made
C. is made D. made7. The 29th Olympic Games ______ in
Beijing in 2008.
(2005年广东省中考考题)
A. is held B. will hold
C. will be held8. Some famous paintings ____ in the
hall next week.
(2007年广东省中考题)
A. will show B. were shown
C. is shown D. will be shown1-5 CACBB 6-10 ACD