课件16张PPT。The Present Perfect Passive Voice?Group A
1). I have finished my homework.
2). Mary has locked the door.
3). She has read this book many times.
Group B
1). My homework has been finished
(by me).
2). The door has been locked (by Mary).
3). This book has been read many times
(by her). 【探究发现】
A和B组中的相同点是:______________ 。
表示动作发生在过去,并持续到现在或者是过去的动作对现在的影响。
A组句子强调动作的______________, 是__________语态, 谓语动词的结构是_____________________。
B组的句子强调动作的_____________, 是__________语态, 谓语动词的结构是_____________________。
现在完成时执行者 /发出者 主动 have/has done承受者 被动 have/has been done主动变被动:
I have finished my homework.
My homework has been finished (by me).
_________ 提前变____________ ;原主变________ , ______ 后见
谓语动词由_____________ 变成_________________________ 。 宾语主语宾(语) by have/has done have/has been doneTask1 用所给动词的适当形式或根据中文提示填空。Many new houses______________
(build)in the past few years.
2. So far no letter__________________
( receive)from my friends.
3. Such a thing __________ never been ______________(hear)of before.
4.-We want to sit at the table near the window.
-I'm sorry, but it______ already(take)
___________
have been built has been received has heard has______________________________________ ___________ been taken ______5.The sports meeting _______ already ____________(hold) in our school.
6.The important problem______________ _________(discuss) for nearly two weeks.
7. These interesting books______________ (已经被给) to children.
8. Many workers______________(已被派遣) to build the railway.
9. All the work_________________ (被完成)
so far.
has been held has been discussed have been given have been sent has been finished ___________________________________ ________recently, already, just, ever, never, yet, for,
so far, up to now, since, once, how long… Task2 单词连句(用现在完成时)the buildings, destroy, earthquake The buildings have been destroyed in the earthquake. machinecomputerreplaceThe machine has been replaced by the computer .new bridge, build ,
in our city A new bridge has been built in our city many trees ,
plant,
along the road Many trees have been planted along the road.a great success, Wang Baoqiang, achieveWang Baoqiang has achieved a great success. A great success has been achieved by Wang Baoqiang. Task3 句子转换(主动或被动)1. My friend has bought a new personal computer.
?
2. The floor has been cleaned by my mother.
?
A new personal computer has been bought
( by my friend ). My mother has cleaned the floor.3. He has given the girl some flowers.
4.All the letters have already been sent by the postmen.
5.My father has given up smoking so far. The girl has been given some flowers ( by him).Some flowers have been given to the girl ( by him).The postmen have already sent all the letters.Smoking has been given up ( by my father) so farTask4 单句改错(每句最多改一处)1.My brother and I have invited to her birthday party.2.The computer has put into a robot by them.3.The child have been given some interesting books
by him.
?
4.She has been studied English since three years ago.
^been^been____has——StepⅢ 课后能力提升DBD
The important problem has been discussed for nearly two weeks.
So far this book has been translated into
many languages.