Unit 3 Discover useful structures 课件-选择性必修第一册
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3. 在教育上花钱是值得的。
It is worthwhile spending money on education.
四、动词-ing形式的复合结构1.Her coming to help encouraged all of us. 2.Mary's being ill made her mother upset. 【总结】动名词的复合结构分为 两种：_____________________和___________________。
【总结】动名词作主语表示________________动作；不定式作主语表示 _______________动作反。复性的
一次性的
随堂练习
1）__S_i_n_g_i_n_g__(Sing) is my hobby, and__to__s_in_g_i_n_g(sing) on my friend’s birthday party is my dream. 2.It is not easy_to__r_e_m_e_m__b_e_r(remember) so many words. _M_e_m__o_r_iz_i_n_g_(memorize)10 words at a time is my usual practice.
confidence）和民族自豪感(national pride)。
There is no doubt that setting aside some time to relax is of great importance.
In my opinion, learning about traditional Chinese culture is of benefit to improving ur cultural confidence and national pride.
Unit 3 Discover useful structures
The -ing form as the subject
一、判断以下动名词作什么成分
1. Even though the sun is brightly shining, _t_el_l_in_g___ whether it is morning or night is impossible.
with foreigners without any difficulty.【总结】表被动应用_____________结 构；表动作先发生、延续性用_________________结构
being done having done
六、动名词作主语与不定式作主语的区别
1.Delivering newspapers is his job. 2.To deliver newspapers is his job today. 3.Climbing mountains can be hard work. 4.To climb the mountains was hard work but as we looked around us we were surprised by the view.
1._B__e_i_n_g__la_u__g_h_e_d__(laugh) at will hurt one’s selfesBteeimn.g2.t_r_e_a_t_e_d________(treat) unfairly made him anHnoayveidn.g3._le_a_r_n__e_d_________(learn) English for years helps me communicate
三、常见形式主语it句型——it指代动名词作主语 将下列句子改成形式主语it引导的句子1. Playing video games is a waste of time.
It is a waste of time playing video games.
2. Complaining without taking action is no use.
4.总的来说，沿着古老的“丝绸之路（Silk Road）”旅行是一次有趣且
有意义的经历。
Generally speaking, traveling along the ancient Silk Road is an in5.t在er这es么tin多g观a众nd面r前ew做ar演d讲in（g geixvpeearsipeneecceh.）对我来说是一次艰难的挑战。
动词-ing形式作主语
基本构成
动词原形+-ing
动词原形+-ing: 表示经常性或习惯性的动作且常 放句首
基本
动词-ing 用法 作主语
it 作形 It’s useless doing sth 式主语 It’s a waste time doing sth
形容词性物主代词+动词-ing 动词-ing的复合结构 名词所有格+动词-ing
2. _G__e_t_ti_n_g_ here is quite difficult, so apart from the Sami very few people have ever seen Sarek.
3. For hundreds of years, __l_o_o_k_in_g___ after reindeer was a way of life for the Sami.
I【t 总is结n】o 常us见e句c型om有p：laining without taking action.
It be a waste of time doing It be no good/use doing It be worthwhile/worth doing It be fun doing It be useless doing
4. _B_e_i_n_g____ in such a beautiful and wild place makes me feel blessed to be alive.
1 V-ing form as subject
二、动名词的主谓一致问题
• Travelling __i_s___(be)a good way to relax. • Playing basketball _m__a_k_e_s__(make) our body strong.
• Listening, speaking, reading and writing _a_r_e___ (be) basic skills of a language.
单个v-ing 作主语，谓语动词用___单__数______;
两个或两个以上表达不同意义的v-ing 作主语，谓语用
___复__数______;
做……是浪费时间的 做……是没用处的 做……是值得的 做…是有趣的 做….是没用的
Observe and discover 2
1. 说服他加入我们就是在浪费时间。
It's a waste of time persuading him to join us.
2. 在这儿等是没用的, 我们走吧。
It’s no use waiting here. Let’s go.
【综合练习】1.It is no use ______________(advocate) such a life in a remote village.2.His___a_d_v_o_c_a_t_in_g___(get) to the station on time made everyone surprisegde.3tt.Binegcareful!__________(play) with fire near the wood will be dangerous.4.It iPslacykinngowledged that swimming _________(be) a good sport in summer.5.It is a waste of time__________is______(try) to persuade him to give up computer games.6.It istnryecinegssary for us students _________(help) each other in trouble.
名词所有格+动名词
形容词性物主代词 (his/my/our等)+动名词
【完成句子】
1)__H__is__g_e_t_ti_n_g__u_p__l_a_t_e_____ in the morning made him late for class.
他早上起晚了，这导致他上课迟到了。
2)I hope__m__y__s_c_r_a_t_c_h_i_n_g__y_o_u_r__c_a_r__________won’t cause you much
to help
翻译：1. 众所周知，生活没有目标就像航行没有指南针（compass）一样。
2A. 毫s w无e疑al问l k，n预ow留, （livsient gas(ildifee）) w一i些th时ou间t 来an放a松im是i很s l重ik要e s的ai。ling wihtout 3a. 在co我m看pa来ss，. 了解中国传统文化有助于提高我们的文化自信（cultural
的 G6.i参校vi加园ng这生a个活sp志，e愿而ec者且h 活增in动长fr（了onv我tol们oufn的tseu知ecr识hinga。agcrtievaittyn）u不m仅be丰r 富of了au(ednireicnhc)e我is们a difficult challenge.
Taking part in this volunteering activity not only enriches our campus life but also increases our knowledge.
trouble. 我希望我刮了(scratch)你的车不会给你带来很多麻烦。
3)Y__o_u_r__m__a_k_i_n_g__su__c_h__g_r_e_a_t_p_r_o__g_r_e_s_s_ made us all delighted.
你取得如此大的进步让我们很开心。
五、 动名词的时态语态
动词-ing与动词不定式作主语的区别
It is worthwhile spending money on education.
四、动词-ing形式的复合结构1.Her coming to help encouraged all of us. 2.Mary's being ill made her mother upset. 【总结】动名词的复合结构分为 两种：_____________________和___________________。
【总结】动名词作主语表示________________动作；不定式作主语表示 _______________动作反。复性的
一次性的
随堂练习
1）__S_i_n_g_i_n_g__(Sing) is my hobby, and__to__s_in_g_i_n_g(sing) on my friend’s birthday party is my dream. 2.It is not easy_to__r_e_m_e_m__b_e_r(remember) so many words. _M_e_m__o_r_iz_i_n_g_(memorize)10 words at a time is my usual practice.
confidence）和民族自豪感(national pride)。
There is no doubt that setting aside some time to relax is of great importance.
In my opinion, learning about traditional Chinese culture is of benefit to improving ur cultural confidence and national pride.
Unit 3 Discover useful structures
The -ing form as the subject
一、判断以下动名词作什么成分
1. Even though the sun is brightly shining, _t_el_l_in_g___ whether it is morning or night is impossible.
with foreigners without any difficulty.【总结】表被动应用_____________结 构；表动作先发生、延续性用_________________结构
being done having done
六、动名词作主语与不定式作主语的区别
1.Delivering newspapers is his job. 2.To deliver newspapers is his job today. 3.Climbing mountains can be hard work. 4.To climb the mountains was hard work but as we looked around us we were surprised by the view.
1._B__e_i_n_g__la_u__g_h_e_d__(laugh) at will hurt one’s selfesBteeimn.g2.t_r_e_a_t_e_d________(treat) unfairly made him anHnoayveidn.g3._le_a_r_n__e_d_________(learn) English for years helps me communicate
三、常见形式主语it句型——it指代动名词作主语 将下列句子改成形式主语it引导的句子1. Playing video games is a waste of time.
It is a waste of time playing video games.
2. Complaining without taking action is no use.
4.总的来说，沿着古老的“丝绸之路（Silk Road）”旅行是一次有趣且
有意义的经历。
Generally speaking, traveling along the ancient Silk Road is an in5.t在er这es么tin多g观a众nd面r前ew做ar演d讲in（g geixvpeearsipeneecceh.）对我来说是一次艰难的挑战。
动词-ing形式作主语
基本构成
动词原形+-ing
动词原形+-ing: 表示经常性或习惯性的动作且常 放句首
基本
动词-ing 用法 作主语
it 作形 It’s useless doing sth 式主语 It’s a waste time doing sth
形容词性物主代词+动词-ing 动词-ing的复合结构 名词所有格+动词-ing
2. _G__e_t_ti_n_g_ here is quite difficult, so apart from the Sami very few people have ever seen Sarek.
3. For hundreds of years, __l_o_o_k_in_g___ after reindeer was a way of life for the Sami.
I【t 总is结n】o 常us见e句c型om有p：laining without taking action.
It be a waste of time doing It be no good/use doing It be worthwhile/worth doing It be fun doing It be useless doing
4. _B_e_i_n_g____ in such a beautiful and wild place makes me feel blessed to be alive.
1 V-ing form as subject
二、动名词的主谓一致问题
• Travelling __i_s___(be)a good way to relax. • Playing basketball _m__a_k_e_s__(make) our body strong.
• Listening, speaking, reading and writing _a_r_e___ (be) basic skills of a language.
单个v-ing 作主语，谓语动词用___单__数______;
两个或两个以上表达不同意义的v-ing 作主语，谓语用
___复__数______;
做……是浪费时间的 做……是没用处的 做……是值得的 做…是有趣的 做….是没用的
Observe and discover 2
1. 说服他加入我们就是在浪费时间。
It's a waste of time persuading him to join us.
2. 在这儿等是没用的, 我们走吧。
It’s no use waiting here. Let’s go.
【综合练习】1.It is no use ______________(advocate) such a life in a remote village.2.His___a_d_v_o_c_a_t_in_g___(get) to the station on time made everyone surprisegde.3tt.Binegcareful!__________(play) with fire near the wood will be dangerous.4.It iPslacykinngowledged that swimming _________(be) a good sport in summer.5.It is a waste of time__________is______(try) to persuade him to give up computer games.6.It istnryecinegssary for us students _________(help) each other in trouble.
名词所有格+动名词
形容词性物主代词 (his/my/our等)+动名词
【完成句子】
1)__H__is__g_e_t_ti_n_g__u_p__l_a_t_e_____ in the morning made him late for class.
他早上起晚了，这导致他上课迟到了。
2)I hope__m__y__s_c_r_a_t_c_h_i_n_g__y_o_u_r__c_a_r__________won’t cause you much
to help
翻译：1. 众所周知，生活没有目标就像航行没有指南针（compass）一样。
2A. 毫s w无e疑al问l k，n预ow留, （livsient gas(ildifee）) w一i些th时ou间t 来an放a松im是i很s l重ik要e s的ai。ling wihtout 3a. 在co我m看pa来ss，. 了解中国传统文化有助于提高我们的文化自信（cultural
的 G6.i参校vi加园ng这生a个活sp志，e愿而ec者且h 活增in动长fr（了onv我tol们oufn的tseu知ecr识hinga。agcrtievaittyn）u不m仅be丰r 富of了au(ednireicnhc)e我is们a difficult challenge.
Taking part in this volunteering activity not only enriches our campus life but also increases our knowledge.
trouble. 我希望我刮了(scratch)你的车不会给你带来很多麻烦。
3)Y__o_u_r__m__a_k_i_n_g__su__c_h__g_r_e_a_t_p_r_o__g_r_e_s_s_ made us all delighted.
你取得如此大的进步让我们很开心。
五、 动名词的时态语态
动词-ing与动词不定式作主语的区别