新概念2 lesson11精美课件
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The cats can be taken good care of by Ann.
5.情态动词： S+ can/may/must/should + be+过去分词(done)
Students mustn’t smoke cigarettes.
Cigarettes mustn’t be smoked by students.
各种时态的被动语态构成
基本结构： be +
done
一般现在时： S+am/is /are +
done
一般过去时： S+was/were +
done
一般将来时： S+ will be+
done
现在完成时： S+ have/has + been+ done
情态动词： S+ can/may/… + be+ done
Ten computers were bought (by them) last term. 2.一般过去时： S+was/were +过去分词（done)
Chinese people built the Great Wall many years ago.
The Great Wall was built by Chinese people many years ago.
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.
各种时态的被动语态构成
基本结构： be + done
一般现在时： S+am/is /are + done
一般过去时： S+was/were +
done
一般将来时： S+ will be +
done.
现在完成时： S+ have/has been+ done
情态动词： S+ can/may/… + be+ done.
My mother sweeps the floor every day. The floor is swept by my mother every day.
一般现在时： S(主语）+am/is /are +过去分词(done)
2. They bought ten computers last term．
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.
Tea was invented by the emperor by accident.
• 2. Many Chinese can speak English.
English can be spoken by many Chinese.
• 3. They don’t wash their clothes every day.
We will clean the classroom this afternoon.
The classroom will be cleaned by us this afternoon.
He will clean the room tomorrow.
主
谓
宾
The room will be cleaned by him tomorrow.
3.一般将来时
结构：主语 ＋ will be +过去分词(done)
The students have planted many trees. Many trees have been planted by the students .
4.现在完成时
Ann can take good care of the cats ．
came in. 一般问句：Was a story being told by him whe
I came in?
8. 过去完成时 结构: 主语 + had + been + done
They had built ten buildings by 2003.主动句 肯: Ten buildings had been built by them by 2003 否: Ten buildings hadn’t been built by them by 2003. 一般问句: Had ten buildings been built by them by 2003?
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.
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
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
4.I told her to return the book in time.
She __w__a_s_ __t_o_ld___ to return the book in time.
5. Last year we built a library in our
school. A library __w__a_s__ __b_u_i_lt__ in our school last year.
9. 过去将来时
结构：主语 ＋ would be + done He said he would punish the naughty boy tonight.主动句 肯:He said the naughty boy would be punished by him tonight. 否：He said the naughty boy wouldn’t be punished by him tonight.
七嘴八舌
(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.
①
②
③
English is spoken by many people. （被动语态）
③
②
①
改为被动语态
He plants
主
谓
trees in spring.
宾(受动者)
Trees are planted byhim in spring.
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。
【Key structures】
被动语态
At noon I took a good book, and sat by the pool in the woods. I soon took off my shoes. And put my foot in the pool. Oh, fHow cool. How cool the pool.
注意：1被动语态的各种时态均由助动词be的变化构成 2．人称和时态变化体现在be上，过去分词不变。 3.否定式和疑问式均由助动词或第一个助动词构成。
6.现在进行时
结构：主语＋am / is / are + being + done He is telling a story now.主动句
肯： A story is being told by him now. 否： A story isn’t being told by him now. 一般问句：Is a story being told by him now?
The windows of their classroom__a_re___ _c_le_a_n_e_d_ twice a month.
3.I found the ticket on the floor.
3. We found the ticket on the floor .
__T__h_e_ _t_ic_k_e_t_ __w_a_s__ _fo_u__n_d_ on the floor.
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.
Have a try
• 1. The emperor invented tea by accident.
6.Now peoplhem.
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?
• 7. 过去进行时 结构：主＋was / were + being + done He was telling a story when I came in.主 肯：A story was being told by him when I cam
in 否：A story wasn’t being told by him when I
stop---stopped
2.不规则动词的过去分词：
am
have
do done
is been
had write written
are
has
go gone
一. 英语的谓语动词有两种语态
主动语态:主语是动作的执行者 被动语态:主语是动作的承受者
Many people speak English （主动语态）
Their clothes aren’t washed by them every day.
• 4. The boy broke the door of the class.
The door of the class was broken by the boy.
现在进行时： S+ am/is/are being + done
过去进行时：S+ was/were being+ done
过去将来时 S＋ would be + done
1.I often clean the room. The room is often cleaned by me. 2.I cleaned the room yesterday. The room was cleaned by me yesterday. 3.I will clean the room tomorrow. The room will be cleaned by me tomorrow. 4.I have cleaned the room already. The room has been cleaned by me already. 5.I must clean the room now. The room must be cleaned by me now. 6.I am cleaning the roon now. The roon is being cleaned by me now.
5.情态动词： S+ can/may/must/should + be+过去分词(done)
Students mustn’t smoke cigarettes.
Cigarettes mustn’t be smoked by students.
各种时态的被动语态构成
基本结构： be +
done
一般现在时： S+am/is /are +
done
一般过去时： S+was/were +
done
一般将来时： S+ will be+
done
现在完成时： S+ have/has + been+ done
情态动词： S+ can/may/… + be+ done
Ten computers were bought (by them) last term. 2.一般过去时： S+was/were +过去分词（done)
Chinese people built the Great Wall many years ago.
The Great Wall was built by Chinese people many years ago.
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.
各种时态的被动语态构成
基本结构： be + done
一般现在时： S+am/is /are + done
一般过去时： S+was/were +
done
一般将来时： S+ will be +
done.
现在完成时： S+ have/has been+ done
情态动词： S+ can/may/… + be+ done.
My mother sweeps the floor every day. The floor is swept by my mother every day.
一般现在时： S(主语）+am/is /are +过去分词(done)
2. They bought ten computers last term．
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.
Tea was invented by the emperor by accident.
• 2. Many Chinese can speak English.
English can be spoken by many Chinese.
• 3. They don’t wash their clothes every day.
We will clean the classroom this afternoon.
The classroom will be cleaned by us this afternoon.
He will clean the room tomorrow.
主
谓
宾
The room will be cleaned by him tomorrow.
3.一般将来时
结构：主语 ＋ will be +过去分词(done)
The students have planted many trees. Many trees have been planted by the students .
4.现在完成时
Ann can take good care of the cats ．
came in. 一般问句：Was a story being told by him whe
I came in?
8. 过去完成时 结构: 主语 + had + been + done
They had built ten buildings by 2003.主动句 肯: Ten buildings had been built by them by 2003 否: Ten buildings hadn’t been built by them by 2003. 一般问句: Had ten buildings been built by them by 2003?
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.
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
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
4.I told her to return the book in time.
She __w__a_s_ __t_o_ld___ to return the book in time.
5. Last year we built a library in our
school. A library __w__a_s__ __b_u_i_lt__ in our school last year.
9. 过去将来时
结构：主语 ＋ would be + done He said he would punish the naughty boy tonight.主动句 肯:He said the naughty boy would be punished by him tonight. 否：He said the naughty boy wouldn’t be punished by him tonight.
七嘴八舌
(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.
①
②
③
English is spoken by many people. （被动语态）
③
②
①
改为被动语态
He plants
主
谓
trees in spring.
宾(受动者)
Trees are planted byhim in spring.
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。
【Key structures】
被动语态
At noon I took a good book, and sat by the pool in the woods. I soon took off my shoes. And put my foot in the pool. Oh, fHow cool. How cool the pool.
注意：1被动语态的各种时态均由助动词be的变化构成 2．人称和时态变化体现在be上，过去分词不变。 3.否定式和疑问式均由助动词或第一个助动词构成。
6.现在进行时
结构：主语＋am / is / are + being + done He is telling a story now.主动句
肯： A story is being told by him now. 否： A story isn’t being told by him now. 一般问句：Is a story being told by him now?
The windows of their classroom__a_re___ _c_le_a_n_e_d_ twice a month.
3.I found the ticket on the floor.
3. We found the ticket on the floor .
__T__h_e_ _t_ic_k_e_t_ __w_a_s__ _fo_u__n_d_ on the floor.
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.
Have a try
• 1. The emperor invented tea by accident.
6.Now peoplhem.
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?
• 7. 过去进行时 结构：主＋was / were + being + done He was telling a story when I came in.主 肯：A story was being told by him when I cam
in 否：A story wasn’t being told by him when I
stop---stopped
2.不规则动词的过去分词：
am
have
do done
is been
had write written
are
has
go gone
一. 英语的谓语动词有两种语态
主动语态:主语是动作的执行者 被动语态:主语是动作的承受者
Many people speak English （主动语态）
Their clothes aren’t washed by them every day.
• 4. The boy broke the door of the class.
The door of the class was broken by the boy.
现在进行时： S+ am/is/are being + done
过去进行时：S+ was/were being+ done
过去将来时 S＋ would be + done
1.I often clean the room. The room is often cleaned by me. 2.I cleaned the room yesterday. The room was cleaned by me yesterday. 3.I will clean the room tomorrow. The room will be cleaned by me tomorrow. 4.I have cleaned the room already. The room has been cleaned by me already. 5.I must clean the room now. The room must be cleaned by me now. 6.I am cleaning the roon now. The roon is being cleaned by me now.