Now computers ___c_a_n__ __b_e___ __u_se_d__ to help them.
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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?
15.Do they often talk about this question? _I_s____ this question often _t_a_lk_e_d__ about __b_y____th__em_____?
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e.g. He gives me a flower everyday. 被动1： I am given a flower by him everyday. 被动2： A flower is given to me by him everyday.
e.g. My mother bought me a computer. 被动1： I was bought a computer by my mother . 被动2： A computer was bought for me by my mother .
The windows of their classroom__a_re___ _c_le_a_n_e_d_ twice a month.
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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. 4.I told her to return the book in time. She __w__a_s_ __t_o_ld___ to return the book in time.
2) Lucy may draw the pictures.
The picture may be drawn by Lucy.
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6.现在进行时： Some workers are painting the rooms now．
The rooms are being painted by some workers now. 现在进行时：am/is/are + being +V（p.p)
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10.The teacher asked Tom to turn on the computer.
Tom ___w_a_s__ _a_s_k_e_d___ to turn on the computer.
11.In this factory women do most of the work.
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(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 mo．
Gina can be taken good care of by Amy.
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Exercises:
1) He can take care of the baby.
The baby can be taken care of by him.
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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.
6.Now people can use computers to help them.
• He took good care of his little brother Hiyselsitetlredabyro. ther was taken good care of
by him yesterday.
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4.一般将来时： They will finish the work in ten days.
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7. 过去进行时：
I was doing my homework at 8:00 last night．
My homework was being done (by me) at 8:00 last night. 过去进行时：was/were+being+V(p.p)
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8.现在完成时：
We have made twenty more keys． Twenty more keys have been made by us. 现在完成时:have/has + been + V.(p.p)
来。（常考词有：make, see, hear, feel, watch,
notice 等。)
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3.当动词带双宾语时(一个宾语是指人，一 个是指物)，将其中指人的宾语提前作被动 句的主语时，另一个宾语按顺序照抄下来； 如是将指物的宾语提前作被动句的主语， 在被动句中则指人宾语前应加“to”或 “for” 。 常见加to的动词有: give，send, teach，write, show, pass, ask, tell … 常见加for的动词有: make, buy draw …
Football is played by them on Sunday.
2) Lucy does the homework in the evening.
The homework is done by Lucy in the evening.
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3. 一般过去时： was/were +V.(p.p)
e.g. We often hear her sing songs.
被动句：She is often heard to sing songs by us.
e.g. I saw him walk to school.
被动句：He was seen to walk to school by me.
这些动词真奇怪，主动句中to 离开，被动句中to回
主
谓
宾
Face is washed (by his brother )
every day.
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2.They make shoes in that factory.
Shoes are made (by them) in that factory.
结构：am/is /are +过去分词
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Exercises: 1) They play football on Sunday.
Most of the work __i_s____ __d_o_n_e___ by women in this factory.
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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.
被动句：The teacher is listened to carefully by the students in class.
e.g. They look after the new students in the school.
被动句：The new students are looked after by them in the school.
He looked after the little baby yesterday.
The little baby was looked after by him yesterday .
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• Exercises:
• They built the tall building last year.
The tall building was built by them last year.
The Passive Voice
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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。
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3
1.一般现在时的被动语态：
His brother washes face every day.
The work will be finished (by them) in ten days. 一般将来时：will + be +过去分词
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Exercises: • We will have a sports meeting next week.
A sports meeting will be had (by us ) next week.
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各种时态的被动语态构成
一般现在时： 一般过去时： 情态动词： 一般将来时： 现在进行时： 现在完成时： 过去进行时：
S+am/is /are +done S+was/were +done S+ can/may/must/should + be+ done S+ will+be+ done S+ am/is/are + being + done S+ have/has + been+ done S+ was/were+being+ done
8.Must we finish our work today?