英语被动语态ppt课件

4.I told her to return the book in time. She __w__a_s_ __t_o_ld___ to return the book in time.
5. His doctor made him have only two meals a day.
He __w_a_s__ _m__a_d_e__ ___t_o___ __h_a_v_e__ only two meals a day.
3.They will finish the work in ten days.
The work will be finished (by them) in ten days. 一般将来时： S+ will+be+过去分词
4．Amy can take good care of Tina ．
Tina can be taken good care of by Amy. 情态动词： S+ can/may/must/should + be+过去分词
11.In this factory women do most of the work.
Most of the work __i_s____ __d_o_n_e___ by women in this factory.
12.He can mend the bike in two days. The bike __c_a_n__ ___b_e__ _m_e_n_d_e_d_ in two days.
Passive voice
SA: Aileen
被动语态基本用法
当句子的主语是动作的执行者时， 谓语的形式是主动语态。当句子的 主语是动作的承受者时，谓语要用 被动语态。
被动语态由助动词be+过去分词构 成，时态通过be表现出来。
1.规则动词的过去分词：
1)一般情况在动词原形后加-ed
2)以不发音e结尾的加-d 3)以辅音加y结尾的，去y变i加-ed
German _i_s_____ _s_t_u_d_i_ed__ by the students in this school.
15.Do they often talk about this question?
_I_s____ this question often _t_a_lk_e_d__ about __b_y____th__em_____?
8.Must we finish our work today?
_M_u_s_t___ our work__b_e___ _fi_n_is_h_e_d_ today?
9. The foreign friends gave us some wonderful stamps. 1) __w_e____ __w_e_r_e_ __g_i_v_e_n_ some wonderful stamps.
The windows of their classroom__a_re___ _c_le_a_n_e_d_ twice a month.
3.I found the ticket on the floor.
__T__h_e_ _t_ic_k_e_t_ __w_a_s__ _fo_u__n_d_ on the floor.
下列时态的被动语态构成
We have finished our compositions.
We have made twenty more keys．
Twenty more keys have been made by us. 现在完成时： S+ have/has + been+过去分词
总结： 各种时态的被动语态构成
The headmaster will give a talk this afternoon.
A talk will be given by the headmaster this afternoon.
The farmers will grow different kinds of vegetables next spring.
2) Some wonderful stamps __w__e_re__ __g_iv_e_n___ _t_o_____ _u_s_____.
10.The teacher asked Tom to turn on the computer.
Tom ___w_a_s__ _a_s_k_e_d___ to turn on the computer.
Different kinds of vegetables will be grown by the farmers next spring.
Uncle Wang will mend the TV set tomorrow.
The TV set will be mended by Uncle Wang tomorrow.
This room was used for resting by them.
They planted many trees years ago.
Many trees were planted by them years ago.
2. They bought ten computers last term．
主动语态变被动语态口诀：
宾语提前主语变， 原主变宾by后见， 时态人称be关键。
何时使用被动语态呢？
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：
His little brother was taken good care of by him yesterday.
We cleaned our classroom just now.
Our classroom was cleaned by us just now.
They used this room for resting.
4)以重读闭音节结尾，末尾只有一个辅音字母， 先双写该辅音字母，再加-ed
watch---watched practice---practiced
study---studied
stop---stopped
2.不规则动词的过去分词：
am
have
do done
is been
had write written
The lights must be turned off by you.
4.They should learn English well.
English should be learned well by them.
5.Jim could do it yesterday.
It could be done by Jim yesterday.
你知道这些被动句的否定句和一般疑问句吗？
1.They make shoes in that factory. 主语+及物动词+宾语
Shoes are made (by them) in that factory. 一般现在时： S(主语）+am/is /are +过去分词
He looked after the little baby yesterday.
主
谓
宾(受动者)
The little baby was looked after by him yesterday .
They built the tall building last year.
The tall building was built by them last year.
He took good care of his little brother yesterday.
We will have a sports meeting next week.
A sports meeting will be had by us next week.
Children will take some photos on the playground tomorrow.
Some photos will be taken by children on the playground tomorrow.
时态 主动语态 被动语态
一般现在时 V.(原形)/ V.(e)s am/is/are +V. pp
一般过去时 V.-ed/ made was/were +V. pp
一般将来时 will +V.(原形) will+ be +V. pp
含情态动词 情态动词+ V.(原形)
情态动词+ be +V. pp
are
has
go gone
改为被动语态
His brother washes bowls every day.
主
谓 宾(受动者)
Bowls are washed by his brother every day.
They play football on Sunday.
Football is played by them on Sunday.
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.
3.You must turn off the lights.
各种时态的被动语态构成
一般现在时： 一般过去时： 一般将来时： 现在完成时： 情态动词：
S+am/is /are +doBaidu Nhomakorabeae S+was/were +done S+ will+be+ done S+ have/has + been+ done S+ can/may/must/should + be+ done
(变被动语态）
1.People use knives for cutting things.
Knives __a_r_e__ _u_s_e_d__ for cutting things.
2.The students clean the windows of their classroom twice a month.
6.Now people can use computers to help them.
Now computers __c_a_n___ __b_e___ _u__se_d__ to help them.
7. Did you plant many trees at this time last year? __W__er_e__ __m_a_n_y_ __t_r_e_e_s_ _p_l_a_n_t_ed_ at this time last time?
13.You must take this medicine three times a day. This medicine __m__u_s_t_ _b_e_____ _t_a_k_e_n___ three times a day.
14.The students in this school study German.
Ten computers were bought (by them) last term. 一般过去时：S+was/were +过去分词
Tom will clean the room tomorrow.
主
谓
宾(受动者)
The room will be cleaned by Tom tomorrow.
We make these machines in China.
These machines are made by us in China.
People speak English as the first language in UK.
English is spoken as the first language in UK.
Lucy does the homework in the evening.
The homework is done by Lucy in the evening.
They often use computers in class.
Computers are often used by them in class.