Unit 4 History and Traditions Discovering useful structures 过去分词做定语和宾补课件(含导学案)-2025-2026学年高中英语人教版必修第二册

Unit 4 History and Traditions Grammar: The Past Participle as Attribute and Object Complement Step 1 Lead in: 复习定语的基础知识 · 定语：对名词 / 代词起修饰、限定作用，翻译常带 “…… 的”。 · 位置： 单个形容词、名词、过去分词作定语，放在名词前。 介词短语、定语从句、分词短语作定语，放在名词后。 Step 2 Learn Grammar Form and meaning: 在语境中感知过去分词作定语和做宾补的形式和意义 （1） 单个过去分词作定语（前置） · a lighted candle 一支点燃的蜡烛 · a used stamp 一枚用过的邮票 · a broken coin 一枚破损的硬币 【结论 1】单个过去分词 (done) 作定语，位于所修饰名词前；在语态上表被动，在时间上表示动作动作已完成。 （2） 过去分词短语作定语（后置） · the wall painted by a worker 由工人粉刷的墙 · a girl named Mary 名叫 Mary 的女孩 · a bridge built in 1937 1937 年建的桥 【结论 2】过去分词短语作定语，位于所修饰词后。在语态上表被动，在时间上表示动作动作已完成。 （3） 定语从句 → 过去分词作定语（改写） · a photo taken by a news reporter · →This is a photo that/which was taken by a news reporter after Fan Zhengdong won his gold medal. 【结论 3】过去分词短语作后置定语 = 定语从句（省略that/which + be）。 Shanghai, which is located in the east of China, is famous.→ Shanghai, located in the east of China, is famous. （4）现在分词 vs 过去分词作定语的区别 falling leaves 正在飘落的叶子 rising sun 正在升起的太阳 fallen leaves 落下的叶子 risen sun 升起的太阳 【结论 4】 现在分词(V-ing)作定语, 表示动作正在进行, 或具有主动意义; 过去分词(done)作定语, 表示动作在谓语之前已发生或完成, 或具有 被动意义。 【Practice】 · I lost the dictionary borrowed (borrow) from the library. · Don’t drink boiling (boil) water. Drink boiled (boil) water. · The man talking (talk) with Mr. Lee is a doctor. · Any medicine taken (take) without a doctor’s advice is dangerous. · The boy lost (lose) in games was punished. · The girl dressed (dress) in red is my sister. （5）The Past Participle as The Object Complement（过去分词作宾语补足语） · 基本结构：及物动词 + 宾语 + 宾语补足语 · 宾补放在宾语后，对宾语补充说明。 能够接动词过去分词作宾补的动词有以下四类： 1). 表示感觉或心理状态的动词，即：感官动词。如：see，watch，observe，look at，hear， listen to，feel，notice，find等； Eg. I heard the song sung in English. (sing)我听到有人用英语唱过这首歌。 He found his hometown greatly changed. 他发现他的家乡变化很大。 2). 使役动词have、 make、 get、 keep、 leave等接过去分词（短语）作宾语补足语时，表示“致使某物或某人被……”。 Eg. I'll have my hair cut tomorrow. 明天我要理发。 3). 表示 “希望”、 “要求” 意义的动词，如∶ would like，order，want，wish等； Eg. I would like this matter settled at once. 我希望此事立刻得到解决。 4.介词with+宾语+过去分词 Eg. The outside sight looks beautiful with everything covered with snow. With more flowers planted, the garden looks very beautiful.  Step 3 Use the Grammar : 在语境中使用过去分词作定语和做宾补 · 用所给单词的适当形式填空： · In the distance, I suddenly heard someone screaming (scream) for help. · With my friend acting (act) as my tourist guide, I am bound to have a pleasant journey. · Besides, money can be collected to have some buildings repaired (repair). · His gaining admission to Peking University made his parents very pleased (please). · During the renaissance, new ideas and values gradually replaced those held (hold) in the middle ages. · As had been expected, the problem referred (refer) to at the meeting was tackled in a scientific way. · In art criticism, you must assume the artist has a secret message hidden (hide) within the work. · It's wrong for the developed (develop) countries to control the world. · It is amazing to see small children appreciating (appreciate) such abstract paintings. · I have collected the money needed (need). · This is the problem discussed (discuss) at the meeting yesterday. · The surprised (surprise) look on his face suggested that he had not expected so. · Hidden among the shelves was what appeared to be small, hand-knitted item, with a note attached (attach) to it. · It was Emperor Qin Shihuang who had the walls joined (join) up. · Chairs, tables, shelves, animals, flowers and human figures carved (carve) out of wood are common examples of this form of art. · The minor mistake caused (cause) by your carelessness is easy to deal with. · 用括号内单词的适当形式完成短文。 Last August, a powerful typhoon 1.named (name) Lekima hit my hometown, a town located (locate) on the eastern coast. Our house 3.built (build) in 2016 was damaged. Watching the 4.damaged (damage) buildings, we were upset. Volunteers helped those 5.affected (affect) by the flood. · 高考真题链接: · (2020 年全国 I 卷) A study conducted (conduct) in Youngstown, for example, discovered that greener areas of the city experienced less crime. · (2020 年全国 I 卷) These include plants that have sensors printed (print) onto their leaves to show when they're short of water and a plant that can detect harmful chemicals in groundwater. · (2015 年浙江卷) Listening to music at home is one thing, going to hear it performed/being performed (perform) live is quite another. · (2018 年天津卷) I need a new passport so I will have to have my photograph taken (take). Step 4 Summary : 课堂总结 过去分词在句中可作 _______、___________。 作用：表被动或完成 定语 1.单个的过去分词作定语时，位于它所修饰的名词或代词前面 2.过去分词短语作定语：通常后置，其作用相当于定语从句。 3.用做表示人物的心理特征或感情变化的形容词。 补语 1.感官动词 2.使役动词 3.表示“意愿、命令或希望”“意义的动词。 4.with的复合结构 学科网（北京）股份有限公司 $ Unit 4 History and Traditions Discovering Useful Structures At the end of this lesson, students are able to: 1. Identify and understand the usage of past participles as attributives and object complements in the texts of this unit; 2. Master effective learning strategies for grammar learning, such as summarizing grammar rules independently, comparing and contrasting different forms; 3. Use these structures in sentences to express themselves in both oral and written communication, improving their language accuracy and fluency. Lead-in: Review 定语： 用来修饰、限定、说明名词或代词的品质与特征的词语或短语 汉语翻译中常用，“......的”表示。 归纳1：单个___词、___词、___词等作定语放于其修饰的名词之____。 This is a cat. This is a pet cat. This is a cute and little cat. The adopted cat lives happily. Lead-in 定语：对名词、代词起修饰限定作用； 定语分为前置定语和后置定语； Language point 1：单个名词、形容词、动词过去分词等作定语放于其修饰的名词之前。 Language point 2： ___________和__________作定语时放于其修饰的名词之____。 This is an adopted cat on the sofa. This is an adopted cat which my grandma keeps. The adopted cat playing with a ball of wool is little and very cute. The Past Participle as The Attribute 过去分词作定语 Translation a ___________ candle 一支点燃的蜡烛 a ________ stamp 一枚用过的邮票 lighted used a _____________ coin 一枚破损的硬币 broken 后面 【Conclusion 1】. 单个的过去分词(done)作定语时，位于它所修饰的名词或代词_____；在语态上表示 ；在时间上，常表示动作 ________________ 前面 被动 已经发生或完成 Translation the wall by a worker 由工人粉刷的墙壁 a girl ________ Mary 一个名为Mary的 女孩 a bridge _______in 1937 一座建于1937年的桥梁 built 【Conclusion 2】. 过去分词短语作定语时，位于它所修饰词的 _____ ；在语态上表示被动 ；在时间上，常表示动作已经发生或完成 painted named 后面 Practice Past Participles as the Attribute (2) visitors ______ of the long wait /… a trip _________ well by my workplace / … stars ________ beautifully at the event / … Complete the phrases in the right column by using the past participles in the left column. Compare the meaning of each pair of phrases. Then make sentences with the phrases. Past Participles as the Attribute (1) tired visitors a well-organised trip beautifully dressed stars· tired organised dressed a photo taken by a news reporter This is a photo _________ ______ taken by a news reporter after Fan Zhengdong won his gold medal. that/which Li Wenwen, a young athlete ______ ______ born in 2000, secured the fifth gold for the Chinese weightlifting team at this Olympics. (China Daily改） a young athlete born in 2000 who was was 【Conclusion3】 过去分词短语做后置定语相当于 定语从句 1. Shanghai, which is located in the east of China, is famous for its advanced economy. →_________, _________________________ is famous for its advanced economy. 2. The athlete who was injured is now being taken good care of in the hospital. → ________________ is now being taken good care of in the hospital. Shanghai located in the east of China The athlete injured Practice 现在分词和过去分词做定语，有何区别呢？ Thinking ______ leaves ______ leaves falling fallen fall 掉落，落下 rising risen _______ sun ______ sun rise 上升，升起 现在分词（doing）与过去分词（done）作定语的区别 1. 语态不同 2. 时间不同 The woman standing beside him is his daughter. She showed me the book recommended by the professor. 1. the developing country the developed country 2. the boiling water the boiled water 3. the falling leaves the fallen leaves 【Conclusion4】： 现在分词作定语,表示动作_________, _______意义; 过去分词作定语,表示动作在谓语之前已_______, 或具有_______意义. 正在进行 主动 被动 完成 区别 Practice I lost the dictionary __________(borrow) from the library. Don’t drink the ________ (boil) water. I’ll give you some cool ________(boil) water to drink. The man _________(talk) with Mr.Lee. is a personal physician. Any medicine ________(take) without the advice of a doctor can cause trouble. Father beat the son_______(lose) in the online games. The girl __________(dress) in red is my sister. borrowed boiling boiled talking taken lost dressed The Past Participle as The Object Complement 过去分词作宾补 带有宾语补足语的一般句型为： 某些及物动词 + 直接宾语 (名词/代词) + 宾语补足语 They had castles built all around England,... (宾语) (宾补) (主语) (谓语) 宾语补足语一般放在宾语_____，对宾语起_________的作用。 之后 补充说明 What is the object complement? 能够接动词过去分词作宾补的动词有以下四类： 1.表示感觉或心理状态的动词，即：____动词。如：see，watch，observe，look at，hear， listen to，feel，notice，find等； I heard the song in English. 我听到有人用英语唱过这首歌。 He found his hometown greatly . 他发现他的家乡变化很大。 the song为宾语，sung为宾语补足语,两者之间为动宾关系 his hometown为宾语，changed为宾语补足语,两者之间为动宾关系 感官 sung changed 能够接动词过去分词作宾补的动词有以下四类： 2.使役动词have、 make、 get、 keep、 leave等接过去分词（短语）作宾语补足语时，表示“致使某物或某人被……”。 I'll have my hair tomorrow. 明天我要理发。 He got his tooth out yesterday. 他昨天把牙拔了。 Tom has been away from home for two years, leaving his room with dust. 汤姆离家两年了，他的房间里满是灰尘。 cut pulled covered 能够接动词过去分词作宾补的动词有以下四类： 3.表示"希望"、"要求"意义的动词，如∶ would like，order，want，wish等； I would like this matter at once. 我希望此事立刻得到解决。 I wish my homework before five o'clock. 我希望 5 点前完成我的作业。 宾语和宾语补足语之间为被动关系，为动宾关系 settled finished 能够接动词过去分词作宾补的动词有以下四类： 4.介词with+宾语+过去分词 The outside sight looks beautiful with everything with snow. 白雪覆盖着大地，屋外景色迷人。 With more flowers , the garden looks very beautiful.  covered planted The little girl has her hair _____.(cut) We find the bike ______.(steal) cut stolen I saw them ________(rob) by two men. robbed 1. 及物动词(短语)的过去分词作宾补时，宾语是过去分词的逻辑主语，宾语和过去分词之间是_____ 关系。 被动 He noticed the sun ______(go) behind the clouds. I found the leaves ______(fall) on the ground. fallen gone 2. 少数不及物动词如 go, change, fall 等的过去分词作宾补时，仅表示动作 _____，宾语与过去分词之间不存在被动关系。 完成 They noticed the children ________(dress) in warm clothes. dressed The teacher found the students ______(seat) in the classroom when she returned. seated 3. seat、hide、dress等的过去分词作宾语补足语时一般表示宾语的_______状态，不表示被动或完成。 状态 1.Judy and I had our car parked in an underground car park near Trafalgar Square, where we could get our car battery charged. 2.When we finally reached the service desk to ask for audio guides, we heard it announced that there were no audio guides left. 4. Judy had her eyes fixed on Van Gogh’s Sunflowers. It was hard to approach the painting as there were so many people around. Read the sentence and underline the -ed form as the object complement. 3.We found ourselves very surprised by the large number of visitors and the amount of noise at the entrance of the National Gallery. 5. She had a copy of the painting boxed to ensure that it was delivered safely. 1. Fill in the banks with the given words’ proper forms 1. In the distance, I suddenly heard someone _________(scream) for help. 2. With my friend _______ (act) as my tourist guide, I am bound to have a pleasant journey. 3. Besides, money can be collected to have some buildings _______ (repair). 4. His gaining admission to Peking University made his parents very ________ (please). 5. During the renaissance, new ideas and values gradually replaced those ____ (hold) in the middle ages . 6. As had been expected, the problem ________(refer) to at the meeting was tackled in a scientific way. screaming acting repaired pleased held referred Practice 7.In art criticism, you must assume the artist has a secret message _________(hide) within the work. 8. It’s wrong for the ___________ (develop) countries to control the world. 9. It is amazing to see small children ____________ (appreciate) such abstract paintings. 10. I have collected the money ________ (need). 11. This is the problem _________ (discuss) at the meeting yesterday. 12. The _________ (surprise) look on his face suggested that he had not expected so. developed needed discussed surprised hidden appreciating 13. Hidden among the shelves was what appeared to be small, hand-knitted item, with a note _________(attach) to it. 14. It was Emperor Qin Shihuang who had the walls _____ (join) up. 15. Chairs, tables, shelves, animals, flowers and human figures________(carve) out of wood are common examples of this form of art. 16. The minor mistake _______(cause) by your carelessness is easy to deal with. attached joined carved caused Last August, a powerful typhoon (台风) 1._______ (name) Lekima hit my hometown, a town 2._________ (locate) on the eastern coast. Our house 3._______ (build) in 2016 was seriously damaged by the floods, which made us very sad. Watching the 4._________ (damage) buildings, cars and other things everywhere, we were all upset. Fortunately, the army, firefighters and volunteers came to the rescue. They built tents for those 5.__________ (affect) by the typhoon and floods, so that they had a place to stay for the time being. Slowly, our life returned to normal. 用括号内单词的适当形式完成短文。 named located built damaged affected 1. (2020年全国 I卷) A study ____________ (conduct) in Youngstown, for example, discovered that greener areas of the city experienced less crime. 2. (2020年全国 I卷) These include plants that have sensors _______(print) onto their leaves to show when they’re short of water and a plant that can detect harmful chemicals in groundwater. 3. (2015年浙江卷) Listening to music at home is one thing, going to hear it ______________________________ (perform) live is quite another. 4. (2018年天津卷) I need a new passport so I will have to have my photograph ______(take). conducted printed performed/being performed taken 2. Translation 1. 为了提高学生们保护环境的意识，我们学校昨天举办了一个主题为“低碳生活”的演讲比赛。(报道类应用文) With the intention of raising students’ awareness of environmental production, an English speech contest themed "A low-carbon life" was held in our school yesterday. 过去分词在句中可作 _____、_________。 定语 宾语补足语 1.单个的过去分词作定语时，位于它所修饰的名词或代词前面； 2.过去分词短语作定语：通常后置，其作用相当于定语从句。 3.用做表示人物的心理特征或感情变化的形容词 作用：表被动或完成 定语 宾补 1.感官动词 2.使役动词 3.表示“意愿、命令或希望”“意义的动词。 4.with的复合结构 Summary To do, Doing, done as The Object Complement to do, doing, done作宾补 过去分词、现在分词和不定式作宾补的区别： ① 现在分词作宾补时，宾语和补语之间有逻辑上的主谓关系，表示动作正在进行。 ② 及物动词的过去分词作宾补说明其与宾语之间有逻辑上的被动关系；不及物动词的过去分词作宾补说明动作已完成或处于某种状态。 I heard her singing the song in English. I heard the song sung in English. ③ 不定式作宾补时 1）表示动作未完成 2）感官动词后表示动作的全过程，且省略“to” I heard her sing the song in English. I have a meeting ___________(attend) this afternoon. → “参加会议” 的动作尚未发生 The letter______________(mail) tomorrow is for my parents. → 信件 “将被寄出” 的被动动作 to be mailed to attend � 使役动词+sb. do (省略了__)， 含义是__________ 非谓语动词作宾补 1. done，表______关系，强调动作_____ 2.doing, 表_____关系 � 感官动词 + sb. doing, 表动作__________ � 使役动词 + sb. doing, 含义_________________ � with + sth. to do, 强调动作______ 3.to do � 感官动词+sb. do(省略了__), 表动作_______ 被动 完成 主动 正在进行 让某人一直做某事 to 全过程 让某人做某事 未发生 to [点津]　 ①有些过去分词表示特定含义时，单独作定语也放在所修饰的名词之后，如left(剩余的)、given(所给的)、concerned(有关的)等。  There is little time left. Let's hurry up. ②如果被修饰的词是由 不定代词 (everything等)或指示代词 (those等)时, 即使单个的过去分词作定语, 也要放在被修饰词的后面。 He is one of those invited. There was nobody punished here. ③有些过去分词作定语，前置和后置意义不同。试比较： This is a used car which is worth only 5,000 yuan. 这是一辆仅值五千元的旧车。 The method used is very efficient. 所用的这个方法很有效。 ④某些动词的过去分词已成为形容词，这类形容词多用来表示人物的心理特征或感情变化。常见的这类过去分词有：disappointed, moved, interested, surprised, shocked, puzzled, excited, frightened, worried, pleased等. From his excited look, I know he passed the examination. 1. Most of the people______________ (question) were students. 2. As is known to us all, Tsinghua University, __________(found) in 1911, is one of the top universities． 3. Many (use) computers will be sold in this market. 4. Who were the so-called guests________ (invite) to your party last night? 5. A course __________ (design) for first-year students to help them succeed academically and personally. questioned founded used invited was designed Practice 1. Loch Ness was surrounded by beautiful natural landscape, which made it look amazing. 2. Carl and his friends stayed with a generous family who offered them bread with butter and honey that was homemade. Loch Ness surrounded by beautiful natural landscape looks amazing. Carl and his friends stayed with a generous family who offered them homemade bread with butter and honey. Rewrite the sentences with the past participles as the attribute, and then see whether you can write a little story with them. 3. The family's ancestors once attended to soldiers who were wounded in the First World War. 4. The young people were attracted by the legend of Loch Ness. They watched over the lake with their cameras and binoculars, which were positioned on the hill. The family's ancestors once attended to wounded soldiers in the First World War. The young people attracted by the legend of Loch Ness watched over the lake with their cameras and binoculars positioned on the hill. $ 高一英语导学案 Book 2 Unit 4 History and Traditions Discovering useful structure ----Express feelings and describe situations 班级： 姓名： 授课教师： 授课时长：45分钟 一、Learning Objectives（学习目标） 1. Learn the basic forms and usage of non-finite verb. 了解非谓语的基本形式和用法 2. Master the usage of the past participles as the attribute and the object complement. 掌握过去分词做定语和宾语补足语的用法 二、Key & Difficult Points（重难点） - 重点：在语篇中运用过去分词做定语和宾语补足语进行正确表达。 - 难点：学生能够用过去分词做定语和宾语补足语来描述感受和具体的情况。 三、learning Procedures（学习过程） Step 1 Lead in: 复习定语的基础知识 （1）定语：对名词 / 代词起________、________作用，翻译常带 “…… 的”。 （2）位置： · 单个________、________、________等词作定语，放在被修饰词的________。 · ________、________、________作定语，放在被修饰词的________。 Step 2 Learn Grammar Form and meaning: 在语境中感知过去分词作定语和做宾补的形式和意义 （1） 单个过去分词作定语（前置） · a ________ candle 一支点燃的蜡烛 · a ________ stamp 一枚用过的邮票 · a ________ coin 一枚破损的硬币 【结论 1】单个过去分词 (done) 作定语，位于所修饰名词________；在语态上表________，在时间上表示动作____________________。 （2）过去分词短语作定语（后置） · the wall ________ by a worker 由工人粉刷的墙 · a girl ________ Mary 名叫 Mary 的女孩 · a bridge ________ in 1937 1937 年建的桥 【结论 2】过去分词短语作定语，位于所修饰词的_________；在语态上表________，在时间上表示动作____________________。 （3）定语从句 → 过去分词作定语（改写） · a photo taken by a news reporter · This is a photo _________ ______ taken by a news reporter after Fan Zhengdong won his gold medal. 【结论 3】过去分词短语做后置定语相当于_________。 Eg. Shanghai, which is located in the east of China, is famous. → Shanghai, ________________________, is famous. （4）现在分词 vs 过去分词作定语的区别 falling leaves 正在飘落的叶子 rising sun 正在升起的太阳 fallen leaves 落下的叶子 risen sun 升起的太阳 【结论 4】 现在分词(V-ing)作定语, 表示动作_________, 或具有_______意义; 过去分词(done)作定语, 表示动作在谓语之前已_______, 或具有_______意义。 【Practice】 1、 I lost the dictionary __________(borrow) from the library. 2、 Don’t drink the ________ (boil) water. I’ll give you some cool ________(boil) water to drink. 3、 The man _________(talk) with Mr.Lee. is a personal physician。 4、 Any medicine ________(take) without the advice of a doctor can cause trouble. 5、 Father beat the son_______(lose) in the online games. 6、 The girl __________(dress) in red is my sister. （5）The Past Participle as The Object Complement（过去分词作宾语补足语） 【教材例句】They had castles built all around England, ... · 基本结构：及物动词 + 宾语 + 宾语补足语 · 归纳：宾语补足语一般放在宾语_____，对宾语起_________的作用。 能够接动词过去分词作宾补的动词有以下四类： 1). 表示感觉或心理状态的动词，即：____动词。如：see，watch，observe，look at，hear， listen to，feel，notice，find等； Eg. I heard the song ________ in English. (sing)我听到有人用英语唱过这首歌。 He found his hometown greatly ________. (change) 他发现他的家乡变化很大。 2). 使役动词have、 make、 get、 keep、 leave等接过去分词（短语）作宾语补足语时，表示“致使某物或某人被……”。 Eg. I'll have my hair_______ (cut) tomorrow. 明天我要理发。 3). 表示 “希望”、 “要求” 意义的动词，如∶ would like，order，want，wish等； Eg. I would like this matter _______ (settle) at once. 我希望此事立刻得到解决。 4.介词with+宾语+过去分词 Eg. The outside sight looks beautiful with everything_______ (cover) with snow. With more flowers _______ (plant), the garden looks very beautiful.  Step 3 Use the Grammar : 在语境中使用过去分词作定语和做宾补 · 用所给单词的适当形式填空： 1. In the distance, I suddenly heard someone _________(scream) for help. 2. With my friend _______ (act) as my tourist guide, I am bound to have a pleasant journey. 3. Besides, money can be collected to have some buildings _______ (repair). 4. His gaining admission to Peking University made his parents very ________ (please). 5. During the renaissance, new ideas and values gradually replaced those ____ (hold) in the middle ages . 6. As had been expected, the problem ________(refer) to at the meeting was tackled in a scientific way. 7.In art criticism, you must assume the artist has a secret message _________(hide) within the work. 8. It’s wrong for the ___________ (develop) countries to control the world. 9. It is amazing to see small children ____________ (appreciate) such abstract paintings. 10. I have collected the money ________ (need). 11. This is the problem _________ (discuss) at the meeting yesterday. 12. The _________ (surprise) look on his face suggested that he had not expected so. 13. Hidden among the shelves was what appeared to be small, hand-knitted item, with a note _________(attach) to it. 14. It was Emperor Qin Shihuang who had the walls _____ (join) up. 15. Chairs, tables, shelves, animals, flowers and human figures________(carve) out of wood are common examples of this form of art. 16. The minor mistake _______(cause) by your carelessness is easy to deal with. · 用括号内单词的适当形式完成短文。 Last August, a powerful typhoon (台风) 1._______ (name) Lekima hit my hometown, a town 2._________ (locate) on the eastern coast. Our house 3._______ (build) in 2016 was seriously damaged by the floods, which made us very sad. Watching the 4._________ (damage) buildings, cars and other things everywhere, we were all upset. Fortunately, the army, firefighters and volunteers came to the rescue. They built tents for those 5.__________ (affect) by the typhoon and floods, so that they had a place to stay for the time being. Slowly, our life returned to normal. · 高考真题链接: 1. (2020年全国 I卷) A study ____________ (conduct) in Youngstown, for example, discovered that greener areas of the city experienced less crime. 2. (2020年全国 I卷) These include plants that have sensors _______(print) onto their leaves to show when they’re short of water and a plant that can detect harmful chemicals in groundwater. 3. (2015年浙江卷) Listening to music at home is one thing, going to hear it ______________________________ (perform) live is quite another. 4. (2018年天津卷) I need a new passport so I will have to have my photograph ______(take). Step 4 Summary : 课堂总结 过去分词在句中可作 _______、___________。 作用：表被动或完成 Step 5 Reflection : 课堂反思 _____________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ 第 1 页 共 3 页 学科网（北京）股份有限公司 $