初中被动语态讲解课件

Summary 以下时态的被动语态构成
一般现在时： am/is /are + done
一般过去时：
一般将来时：
情态动词:
was/were + done will + be + done
情态动词+be+done 现在完成时： has / have + been + done
Task 4
考点二:
被动语态中的特殊情况:
The room is going to be cleaned by Tom tomorrow
• We will held a sports meeting next week.
A sports meeting will be held by us next week.
• Children will take some photos in the schoolyard tomorrow.
3.You must turn off the lights.
The lights must be turned off by you.
4.They should learn English well.
English should be learned well by them.
5.现在进行时的被动语态的结构
him yesterday.
3.一般将来时的被动语态结构：
be going to be/will be+过去分词
1.They will finish the work in ten days.
The work will be finished by them in ten days.
2.Tom is going to clean the room tomorrow.
【考点】
give sb. sth. pass sb. sth. 被动 sell sb. sth. lend sb. sth. bring sb. sth. make sb. sth. buy sb. sth.
主动
Sth be given to sb. Sth. be passed to sb. Sth. be sold to sb. Sth. be lent to sb. Sth. be brought to sb. Sth. be made for sb. Sth. be bought for sb.
sb be made to do sb sb be let to do sb be seen to do sb be heard to do sb be watched to do
三、汉语中含有“据说”、“据悉”、 “有人说”、“大家说”等时。例如： It is said that one day he climbed to the top of a house and …… It was reported that her mother died of SARS. 众所周知… … It is well known that …
More water should be drunk by you.
1.He can take care of the baby.
The baby can be taken care of by him.
2.Lucy may draw the pictures.
The picture may be drawn by Lucy.
主 动
3.在主动语态中省去to,在变为被动语态时 应加上to.即hear , watch , see , make , let ,这些词在变被动句时必须加 to. make sb do sth--sb be made to do sth. see sb do sth—sb basketball do sth. be seen to last Sunday. 1.I saw him play
语态
语态：表示主语和谓语动词之间的关系。 英语有两种语态，即主动语态和被动语态。 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。 如： Many students study English.(主动语态) English is studied by many students. (被动语态)
1.Many students study English. English is studied by many students.
2.They make shoes in that factory. Shoes are made by themin that factory.
• They play footb computers in class.
• We make these machines in Beijing.
2.一般过去时的被动语态结构：
was/were +过去分词
1. They bought a computer last term． A computer was bought by them last term.
Some photos will be taken by children in the school tomorrow.
The headmaster is going to give a talk this afternoon.
A talk is going to be given by the headmaster this afternoon.
4.含有情态动词的被动语态结构：
can/may/must/should + be+过去分词 1.Amy can take good care of Gina ．
Gina can be taken good care of by Amy. 2.You should drink more water.
2.We planted many trees last year.
Many trees were planted last year.
They built the tall building last year.
The tall building was built by them last year. He took good care of his little brother yesterda His little brother was taken good care of by We cleaned our classroom just now. Our used the rooms for resting. They classroom was cleaned by us just now. The rooms were used for resting by them.
is / am / are + being ＋过去分词
1.Some workers are painting the rooms now．
The rooms are being painted by some workers now.
2.He is watching TV.
TV is being watched by him.
主动语态 宾语 谓语 主语 其他 → → → → 被动语态
主语 be+ P.P
抄下来
by +宾语
1.将主动语态的宾语变为被动语态的主语。 2. 将主动语态的谓语动词由主动变为被动
3. 将主动语态的主语变为被动语态中介词by 的宾语放在谓动词之后
运用一下吧
考点一:
被动语态的基本结构:
be + done
被动语态的几种类型
1.带双宾语句子的被动语态.一般把间接宾语变为 被动语态的主语，则另一个不动。如把直接宾语变为被动 语态的主语则需在间宾前加 for 或 to
give sb. sth— sb be given sth sth be given to sb.
buy sb sthsb be bought sthsth be bought for sb.
据推测说… … It is supposed that …
四、汉语中含有“被”、“由”等词时。 例如：
Tina is asked to come by Paul．
Tina是被Paul叫来的。 五、某些句子习惯上用被动语态。例如： He was born in October，1989．
She 主
6.现在完成时的被动语态的结构
have / has ＋been ＋过去分词
1.We have found a key．
by us.
A key
has been found
2. He has finished the compositions.
The compositions have been finished by us.
什么时候可以使用被动语态呢？
一、行为主体不明确，不必说出或者无法 说出动作的执行者时。例如： Such books are written for children. 这些书是为儿童写的。 Football is played all over the world．
二、不易找到或根本就不可能找到动作的 执行者时。例如： My bike was stolen．我的自行车被盗了。
有各种时态的变化
1. am , is , are 2. was , were 3. will be / is going to be 4. can/may/could/must/might be 5. have/has been 6. had been
一）一般现在时的被动语态结构：
is/are+过去分词
2. 主动语态为带to的动词不定式 Mum told me to stay at home. I was told to stay at home.