八年级被动语态(精品课件)

The tall building was built by them last year.
• He took good care of his little brother yesterday.
His little brother was taken good care of by him yesterday.
week.
A sports meeting will be had (by us ) next week.
• Children will take some photos in the schoolyard tomorrow.
Some photos will be taken (by children ) in the schoolyard tomorrow.
3. 一般过去时： was/were +V.(p.p)
He looked after the little baby yesterday.
The little baby was looked after by him yesterday .
• Exercises:
• They built the tall building last year.
e.g. They make us do all the work. 被动句：We are made to do all the work by them.
e.g. We often hear her sing songs. 被动句：She is often heard to sing songs by us.
1)The coat washes easily.
2)The books sell well
(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.
结构：am/is /are +过去分词
Exercises: 1) They play football on Sunday.
Football is played by them on Sunday.
2) Lucy does the homework in the evening.
The homework is done by Lucy in the evening.
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
来。（常考词有：make, see, hear, feel, watch, notice 等。)
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” 。
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.
被动语态中的特殊情况
1.不及物动词带介词和介词宾语时，在变为被动语 态时，仍然要带上介词。(动词后的介词不可省）
e.g. The students listen to the teacher carefully in class.
被动句：The teacher is listened to carefully by the students in class.
1.一般现在时的被动语态：
His brother washes face every day.
主
谓
宾
Face is washed (by his brother )
every day.
2.They make shoes in that factory.
Shoes are made (by them) in that factory.
5．含有情态动词的： 情态动词+ be+过去分词
Amy can take good care of Gina ．
Gina can be taken good care of by Amy.
Exercises:
1) He can take care of the baby.
The baby can be taken care of by him.
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 .
4. 系动词没有被动形式，主动形 式表被动意义。
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.
Twenty more keys have been made by us. 现在完成时:have/has + been + V.(p.p)
各种时态的被动语态构成
一般现在时： S+am/is /are +done
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+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
German _i_s_____ _s_t_u_d_i_ed__ by the students in this school.
15.Do they often talk about this question?
• 常见的有taste（尝起来）， sound （听起来）， feel（摸起 来）， look（看起来），smell （闻起来）等.
1) The apple tastes good. 2)The song sounds gentle.
5. 有些动词如:sell（卖）， wash （洗）， write (写）等与副词 well（好）， easily（容易地） 等连用 ，描绘事物的特性，用 主动表被动。例如：
The windows of their classroom__a_re___ _c_le_a_n_e_d_ twice a month.
5. His ctor 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.
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 …
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.
6.Now people can use computers to help them.
Now computers ___c_a_n__ __b_e___ __u_se_d__ to help them.
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.
2) Some wonderful stamps __w__e_re__ __g_iv_e_n___ _t_o_____ _u_s_____.
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?
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)
8.现在完成时：
We have made twenty more keys．
4.I told her to return the book in time. She __w__a_s_ __t_o_ld___ to return the book in time.