Unit 10 课时5 Grammar in Use（分层作业）英语新教材仁爱科普版七年级下册

**基本信息** 本同步练习以“名词性物主代词”和“一般过去时”为核心，通过四级分层设计构建从基础记忆到综合语用的知识巩固路径，适配新授课语法教学，培养语言应用能力与思维品质。 **分层设计** |层次|知识覆盖|设计特色| |----|----------|----------| |基础达标|词汇、短语及核心语法基础应用|通过单选、填空聚焦物主代词辨析和规则动词过去式| |能力提升|语法结构转换与灵活运用|句型转换强化一般过去时疑问句及否定式表达| |拓展培优|语篇层面语法综合应用|语法填空和选词填空在“志愿者活动”情境中融合双语法点| |思维进阶|跨技能语法实践与输出|完形填空、阅读表格及写作任务（含3种核心语法）提升综合语用能力|

Unit 10 Lending a Helping Hand. 课时5 Grammar in Use 分层作业 参考答案 一、单项选择题。 1.B 2.C 3.C 4.C 5.B 二、用括号内所给词的适当形式填空。 1.hers 2.theirs 3.was; ago 4.carried 5.had 三、句型转换（根据要求改写句子）。 1.This; mine 2.Who 3.Where were 4.I didn't 5.planted 四、语法填空。 1.was 2. took 3. had 4. his 5. ourselves 五、选词填空。 1.ours 2. his; ours 3. his 4. volunteers 5. had 6. were; ago 7. didn't 8. helped 六、完形填空。 1.B 2.C 3.C 4.D 5.A 6.B 7.B 8.A 9.D 10.B 七、阅读理解。 1.A 2.C 3.C 4.D 5.D 八、多任务混合阅读 Part 1: 阅读短文，完成任务 Task 1: 回答语法相关问题 1.Yesterday, our school had a volunteer day. / Yesterday was our volunteer day. 2.ours. Task 2: 用语法结构改写句子 1.The park is ours. 2.What did you do? Part 3: 写作训练（语法综合运用） I did some volunteer work last Saturday. I went to the community library with my friends. The library is not far from our homes. It is ours. We helped the librarian sort books and clean the reading room. The work was not easy, but we felt very happy. An old lady said "thank you" to us. Helping others was truly a wonderful experience. We enjoyed ourselves a lot that day. 1 / 6 学科网（北京）股份有限公司 $ Unit 10 Lending a Helping Hand. 课时5 Grammar in Use 分层作业 核心知识速记 01基础达标 02能力提升 03拓展培优 04思维进阶 词汇 mine pron. 我的 hers pron. 她的 ours pron. 我们的 yours pron. 你的；你们的 theirs pron. 他/她/它们的 yesterday adv. 在昨天 ago adv. 以前 meaningful adj. 重要的；有意义的 volunteer n. 志愿者 v. 自愿做 community n. 社区 短语 lend a hand 帮助 help out 帮助……摆脱困难 volunteer work 志愿工作 community center 社区中心 at the community garden 在社区花园 just now 刚才 have fun doing sth. 做某事很开心 句型 1.名词性物主代词：相当于“形容词性物主代词 + 名词”，单独使用，避免重复。 例：This is my bike. That is hers (her bike). 这是我的自行车。那是她的（自行车）。 2.一般过去时 (Simple Past Tense)：表示过去某个时间发生的动作或存在的状态。 be 动词 的过去式：was (I/he/she/it), were (you/we/they) 例：I was at the community center yesterday. 我昨天在社区中心。 Were they at home just now? 他们刚才在家吗？ 实义动词 的过去式：规则动词加 -ed, 不规则动词需特殊记忆。 例：We helped Uncle Zhang. 我们帮助了张叔叔。 I didn't go to the library. 我没去图书馆。 规则动词过去式变化： 1.一般情况：+ed (help → helped) 2.以e结尾：+d (like → liked) 3.辅音字母+y结尾：变y为i+ed (carry → carried) 4.重读闭音节结尾，双写尾字母+ed (stop → stopped) 一、单项选择题。 ( ) 1. This is not___________ book.___________ is on the desk. A. my; My B. my; Mine C. mine; My D. mine; Mine ( ) 2. —Is this volleyball ___________ ? —No, it's not ___________ . It's Li Ming's. A. your; mine B. yours; my C. yours; mine D. your; my ( ) 3. We___________ a lot of meaningful work at the old people's home last Sunday. A. do B. does C. did D. will do ( ) 4. —___________ you at the community center yesterday morning? —Yes, I ___________ . A. Are; am B. Did; did C. Were; was D. Was; was ( ) 5. The red gloves are ___________ , and the blue ones are ___________ . A. her; our B. hers; ours C. hers; our D. her; ours 二、用括号内所给词的适当形式填空。 1.My sister often helps me. This blue scarf is a gift from her. It's___________ (her). 2.They worked very hard. The beautiful garden is___________ (they). 3.I___________ (be) a volunteer at the library three years___________ (ago). 4.Meimei___________(carry) two heavy bags of books to the village school yesterday. 5.The kids___________ (have) a lot of fun planting trees in the park last weekend. 三、句型转换。 1.This is my notebook. (改为同义句) ___________ notebook is ___________ . 2.We helped out at the community center. (对划线部分提问) ___________ helped out at the community center? 3.I was at the community garden this morning. (对划线部分提问) ___________ ___________ you this morning? 4.Did you go to the supermarket yesterday? (作否定回答) No, ___________ ___________ . 5.We planted trees, dug holes, and swept the paths, too. (用just now改写句子) We___________ ___________ trees, dug holes, and swept the paths just now. 四、语法填空。 A meaningful day Yesterday 1.___________ (be) a meaningful day for our class. We all did volunteer work. Our teacher, Ms. Wang, 2.___________ (take) us to an old people's home. Meimei and I cleaned the yard. It was hard work, but we 3.___________ (have) fun. Li Ming read newspapers to an old man. The newspaper was not 4.___________ (he). It was from the community library. Some other students performed a play. The play was very interesting. We enjoyed 5.___________ (we) a lot. The old people were all very happy. Helping others is really a happy thing. 五、选词填空。 mine volunteer didn't ago ours were helped his had theirs 1.—Is this your community center? —Yes, it's ___________. 2.The idea of the Earth Day project is not ___________. It's ___________ . (我们的) 3.Mr. Wang is a great teacher. My classmates and I like___________ classes very much. 4.Many___________ came to help clean the park last Saturday. 5.I___________ a busy day at school the day before yesterday. 6.My parents___________very happy to see my progress in math two months___________ . 7.They___________ (not) waste any food. They cleaned their plates. 8.They___________ the old lady carry her heavy bag to the bus stop. 六、完形填空。 Yesterday was a special day. Our school organized a volunteer activity. Let me tell you something about it. Early in the morning, we all (1)___________ at the school gate. Some of (2)___________ parents also came to help. We took their cars to the Green Farm. (3)___________ farm is not far from our school. It's about two kilometres away. When we arrived, the farmers (4)___________ very happy to see us. Our task was to help them pick vegetables and (5)___________ the ground. (6)___________ was hard work, but everyone tried their best. I worked with my best friend, Li Lei. The basket in my hand is (7)___________ , and the one in his hand is (8)___________ . We filled them with fresh tomatoes and cucumbers. At noon, we had lunch together. The food was simple, but it tasted delicious because it was the fruit of our work. We (9)___________ a lot of fun helping each other. On our way back, we were tired but felt proud. It was (10)___________ a meaningful day! Helping others truly makes us happy. ( ) 1. A. meet B. met C. will meet D. meets ( ) 2. A. we B. us C. our D. ours ( ) 3. A. A B. An C. The D. / ( ) 4. A. is B. are C. was D. were ( ) 5. A. clean B. cleans C. cleaned D. cleaning ( ) 6. A. He B. It C. She D. They ( ) 7. A. my B. mine C. me D. I ( ) 8. A. his B. her C. him D. he ( ) 9. A. have B. has C. will have D. had ( ) 10. A. true B. truly C. real D. really 七、阅读表格，完成下列题目。 Our Volunteer Activities Last Month Sunday, March 3rd Place: Sunshine Nursing Home Volunteers: 5 Activities: told stories, cleaned rooms Feeling: happy Sunday, March 17th Place: City Park Volunteers: 2 Activities: picked up rubbish, watered flowers Feeling: tired but proud ( ) 1. When did they go to the Sunshine Nursing Home? A. On March 3rd. B. On March 17th. C. Last Sunday. D. On March 10th. ( ) 2. What did volunteers NOT do at the nursing home? A. Told stories. B. Cleaned rooms. C. Watered flowers. D. Both A and B. ( ) 3. How many volunteers went to City Park? A. Five. B. Three. C. Two. D. Seven. ( ) 4. How did the volunteers feel after the activity in the park? A. They felt happy. B. They felt angry. C. They felt bored. D. They felt tired but proud. ( ) 5. Which of the following sentences is grammatically correct? A. They went to the nursing home next Sunday. B. The park is not theirs. It is our all. C. Cleaning the rooms were hard work. D. We felt happy to help others. 八、多任务混合阅读。 Part 1: 阅读短文，完成语法相关任务 Yesterday, our school had a volunteer day. Our class went to the City Park. It is a big park near our school. The park is ours. I mean, it belongs to all of us in the city, so we should take care of it. We arrived at the park at 8:30 in the morning. Ms. Li, our teacher, divided us into three groups. The first group watered the flowers and trees. The second group picked up the rubbish on the ground. I was in the third group. Our task was to clean the benches. We carried water and washed them one by one. The work was tiring, but we all felt very proud because we did something meaningful for our community. At noon, we went back to school. We talked and laughed all the way. It was a truly unforgettable day! Task 1: 回答语法相关问题 1.How is “昨天是我们的志愿者日” expressed in English in the passage? ________________________________________________________________________________________ 2.What's the nominal possessive pronoun used in the passage? ________________________________________________________________________________________ Task 2: 用语法结构改写句子 1.The park belongs to all of us. (用名词性物主代词改写) ________________________________________________________________________________________ 2.We carried water and washed the benches. (对划线部分提问) ________________________________________________________________________________________ Part 2: 语法拓展与应用 核心语法拓展： 名词性物主代词 = 形容词性物主代词 + 名词 如：This is your book. = This book is yours. 一般过去时标志词：yesterday, last..., ... ago, just now, in 2020 等。 语法句型积累： We helped the old people (to) clean their homes. (help sb. do sth.) I find it meaningful to be a volunteer. (find it + adj. + to do sth.) Part 3: 写作训练（语法综合运用） 根据短文及语法知识，写一段关于“我的一次志愿者经历”，要求： 1.不少于6句话； 2.至少使用3种本课时核心语法（一般过去时be动词、一般过去时实义动词、名词性物主代词）； 3.语法正确，逻辑清晰。 ____________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ 1 / 6 学科网（北京）股份有限公司 $ Unit 10 Lending a Helping Hand. 课时5 Grammar in Use 分层作业 核心知识速记 01基础达标 02能力提升 03拓展培优 04思维进阶 词汇 mine pron. 我的 hers pron. 她的 ours pron. 我们的 yours pron. 你的；你们的 theirs pron. 他/她/它们的 yesterday adv. 在昨天 ago adv. 以前 meaningful adj. 重要的；有意义的 volunteer n. 志愿者 v. 自愿做 community n. 社区 短语 lend a hand 帮助 help out 帮助……摆脱困难 volunteer work 志愿工作 community center 社区中心 at the community garden 在社区花园 just now 刚才 have fun doing sth. 做某事很开心 句型 1.名词性物主代词：相当于“形容词性物主代词 + 名词”，单独使用，避免重复。 例：This is my bike. That is hers (her bike). 这是我的自行车。那是她的（自行车）。 2.一般过去时 (Simple Past Tense)：表示过去某个时间发生的动作或存在的状态。 be 动词 的过去式：was (I/he/she/it), were (you/we/they) 例：I was at the community center yesterday. 我昨天在社区中心。 Were they at home just now? 他们刚才在家吗？ 实义动词 的过去式：规则动词加 -ed, 不规则动词需特殊记忆。 例：We helped Uncle Zhang. 我们帮助了张叔叔。 I didn't go to the library. 我没去图书馆。 规则动词过去式变化： 1.一般情况：+ed (help → helped) 2.以e结尾：+d (like → liked) 3.辅音字母+y结尾：变y为i+ed (carry → carried) 4.重读闭音节结尾，双写尾字母+ed (stop → stopped) 一、单项选择题。 ( ) 1. This is not___________ book.___________ is on the desk. A. my; My B. my; Mine C. mine; My D. mine; Mine 【答案】B 【解析】本题考查形容词性物主代词与名词性物主代词的区别。第一空后接名词“book”，需用形容词性物主代词“my”；第二空后无名词，指代“我的书”，需用名词性物主代词“Mine”。故选B。 ( ) 2. —Is this volleyball ___________ ? —No, it's not ___________ . It's Li Ming's. A. your; mine B. yours; my C. yours; mine D. your; my 【答案】C 【解析】本题考查名词性物主代词的用法。第一空后无名词，询问“这是你的（排球）吗？”，用“yours”；第二空后无名词，回答“不是我的（排球）”，用“mine”。故选C。 ( ) 3. We___________ a lot of meaningful work at the old people's home last Sunday. A. do B. does C. did D. will do 【答案】C 【解析】本题考查一般过去时。句中时间状语“last Sunday”（上周日）表示过去的时间，谓语动词需用过去式。do为不规则动词，其过去式为did。故选C。 ( ) 4. —___________ you at the community center yesterday morning? —Yes, I ___________ . A. Are; am B. Did; did C. Were; was D. Was; was 【答案】C 【解析】本题考查一般过去时中be动词的用法。问句询问“昨天早上你在社区中心吗？”，主语是you，be动词用Were；答句主语是I，be动词用was。故选C。 ( ) 5. The red gloves are ___________ , and the blue ones are ___________ . A. her; our B. hers; ours C. hers; our D. her; ours 【答案】B 【解析】本题考查名词性物主代词。两个空后均无名词，分别指代“她的（手套）”和“我们的（手套）”，因此都应使用名词性物主代词“hers”和“ours”。故选B。 二、用括号内所给词的适当形式填空。 1.My sister often helps me. This blue scarf is a gift from her. It's___________ (her). 【答案】hers 【解析】空格后没有名词，指代“她的（围巾）”，应用名词性物主代词hers。 2.They worked very hard. The beautiful garden is___________ (they). 【答案】theirs 【解析】空格后没有名词，指代“他们的（花园）”，应用名词性物主代词theirs。 3.I___________ (be) a volunteer at the library three years___________ (ago). 【答案】was; ago 【解析】前半句描述过去的状态，主语是I，be动词用过去式was。“时间段+ago”为固定搭配，表示“多久以前”。 4.Meimei___________(carry) two heavy bags of books to the village school yesterday. 【答案】carried 【解析】“yesterday”提示为一般过去时。carry的过去式需变y为i再加ed，即carried。 5.The kids___________ (have) a lot of fun planting trees in the park last weekend. 【答案】had 【解析】“last weekend”提示为一般过去时。have为不规则动词，其过去式为had。 三、句型转换。 1.This is my notebook. (改为同义句) ___________ notebook is ___________ . 【答案】This; mine 【解析】“This is my notebook.”等同于“This notebook is mine.”，用名词性物主代词mine指代my notebook。 2.We helped out at the community center. (对划线部分提问) ___________ helped out at the community center? 【答案】Who 【解析】划线部分为人物（We），对人提问用特殊疑问词Who，语序不变。 3.I was at the community garden this morning. (对划线部分提问) ___________ ___________ you this morning? 【答案】Where were 【解析】划线部分为地点，对地点提问用Where。原句was变为were与主语you保持一致。 4.Did you go to the supermarket yesterday? (作否定回答) No, ___________ ___________ . 【答案】I didn't 【解析】一般过去时Did引导的一般疑问句，否定回答用“No, I didn't.”。 5.We planted trees, dug holes, and swept the paths, too. (用just now改写句子) We___________ ___________ trees, dug holes, and swept the paths just now. 【答案】planted 【解析】“just now”（刚才）提示用一般过去时。plant为规则动词，过去式直接加ed。 四、语法填空。 A meaningful day Yesterday 1.___________ (be) a meaningful day for our class. We all did volunteer work. Our teacher, Ms. Wang, 2.___________ (take) us to an old people's home. Meimei and I cleaned the yard. It was hard work, but we 3.___________ (have) fun. Li Ming read newspapers to an old man. The newspaper was not 4.___________ (he). It was from the community library. Some other students performed a play. The play was very interesting. We enjoyed 5.___________ (we) a lot. The old people were all very happy. Helping others is really a happy thing. 【答案】1.was 2.took 3.had 4.his 5.ourselves 【解析】 1.考查一般过去时。“Yesterday”提示过去，主语是单数，be动词用was。 2.考查一般过去时。take为不规则动词，过去式为took。 3.考查一般过去时。have fun表示玩得开心，have过去式为had。 4.考查名词性物主代词。此处指“报纸不是他的”，应用名词性物主代词his。 5.考查固定搭配。enjoy oneself表示“玩得开心”，主语是We，反身代词用ourselves。 五、选词填空。 mine volunteer didn't ago ours were helped his had theirs 1.—Is this your community center? —Yes, it's ___________. 2.The idea of the Earth Day project is not ___________. It's ___________ . (我们的) 3.Mr. Wang is a great teacher. My classmates and I like___________ classes very much. 4.Many___________ came to help clean the park last Saturday. 5.I___________ a busy day at school the day before yesterday. 6.My parents___________very happy to see my progress in math two months___________ . 7.They___________ (not) waste any food. They cleaned their plates. 8.They___________ the old lady carry her heavy bag to the bus stop. 【答案】1.ours 2.his; ours 3.his 4.volunteers 5.had 6.were; ago 7.didn't 8.helped 【解析】 1.考查名词性物主代词，指代“我们的社区中心”。 2.第一空指“他的（想法）”，用his；第二空指“我们的（想法）”，用ours。 3.考查形容词性物主代词，修饰名词classes，用his。 4.考查名词，volunteer为可数名词，由Many修饰，用复数volunteers。 5.考查一般过去时，“the day before yesterday”表示前天，动词have用过去式had。 6.考查一般过去时和固定搭配。主语是复数，be动词用were；“两个月前”用“two months ago”。 7.考查一般过去时的否定式，实义动词waste的否定需要借助助动词didn't，后接动词原形。 8.考查一般过去时，描述过去发生的事，用help的过去式helped。 六、完形填空。 Yesterday was a special day. Our school organized a volunteer activity. Let me tell you something about it. Early in the morning, we all (1)___________ at the school gate. Some of (2)___________ parents also came to help. We took their cars to the Green Farm. (3)___________ farm is not far from our school. It's about two kilometres away. When we arrived, the farmers (4)___________ very happy to see us. Our task was to help them pick vegetables and (5)___________ the ground. (6)___________ was hard work, but everyone tried their best. I worked with my best friend, Li Lei. The basket in my hand is (7)___________ , and the one in his hand is (8)___________ . We filled them with fresh tomatoes and cucumbers. At noon, we had lunch together. The food was simple, but it tasted delicious because it was the fruit of our work. We (9)___________ a lot of fun helping each other. On our way back, we were tired but felt proud. It was (10)___________ a meaningful day! Helping others truly makes us happy. ( ) 1. A. meet B. met C. will meet D. meets ( ) 2. A. we B. us C. our D. ours ( ) 3. A. A B. An C. The D. / ( ) 4. A. is B. are C. was D. were ( ) 5. A. clean B. cleans C. cleaned D. cleaning ( ) 6. A. He B. It C. She D. They ( ) 7. A. my B. mine C. me D. I ( ) 8. A. his B. her C. him D. he ( ) 9. A. have B. has C. will have D. had ( ) 10. A. true B. truly C. real D. really 【答案】1.B 2.C 3.C 4.D 5.A 6.B 7.B 8.A 9.D 10.B 【解析】 1.考查一般过去时。全文描述昨天发生的事，动词用过去式，met是meet的过去式。故选B。 2.考查形容词性物主代词。修饰名词parents，表示“我们的一些父母”，用our。故选C。 3.考查冠词。此处特指前文提到的Green Farm，用定冠词The。故选C。 4.考查主谓一致和时态。故事发生在过去，主语the farmers是复数，be动词用were。故选D。 5.考查固定搭配。help sb. (to) do sth.，此处省略to，用动词原形clean，与前面的pick并列。故选A。 6.考查形式主语。It在此作形式主语，真正的主语是后面的“hard work”。故选B。 7.考查名词性物主代词。空格后无名词，指代“我的篮子”，用mine。故选B。 8.考查名词性物主代词。空格后无名词，指代“他的篮子”，用his。故选A。 9.考查一般过去时。全文为过去时态，have fun的过去式为had fun。故选D。 10.考查副词用法。修饰形容词“meaningful”需用副词。truly和really均可，但truly强调“确实地”，更符合“确实是有意义的一天”的语境。故选B。 七、阅读表格，完成下列题目。 Our Volunteer Activities Last Month Sunday, March 3rd Place: Sunshine Nursing Home Volunteers: 5 Activities: told stories, cleaned rooms Feeling: happy Sunday, March 17th Place: City Park Volunteers: 2 Activities: picked up rubbish, watered flowers Feeling: tired but proud ( ) 1. When did they go to the Sunshine Nursing Home? A. On March 3rd. B. On March 17th. C. Last Sunday. D. On March 10th. 【答案】A 【解析】细节理解题。根据表格第一行“Sunday, March 3rd”可知，他们是在3月3日去的阳光养老院。故选A。 ( ) 2. What did volunteers NOT do at the nursing home? A. Told stories. B. Cleaned rooms. C. Watered flowers. D. Both A and B. 【答案】C 【解析】细节理解题。根据“Activities: told stories, cleaned rooms”可知，在养老院的活动是讲故事和打扫房间，没有浇花。浇花是公园的活动。故选C。 ( ) 3. How many volunteers went to City Park? A. Five. B. Three. C. Two. D. Seven. 【答案】C 【解析】细节理解题。根据表格“Volunteers: 2”可知，去城市公园的有2名志愿者。故选C。 ( ) 4. How did the volunteers feel after the activity in the park? A. They felt happy. B. They felt angry. C. They felt bored. D. They felt tired but proud. 【答案】D 【解析】细节理解题。根据表格中“Feeling: tired but proud”可知，公园活动后志愿者们的感受是疲惫但自豪。故选D。 ( ) 5. Which of the following sentences is grammatically correct? A. They went to the nursing home next Sunday. B. The park is not theirs. It is our all. C. Cleaning the rooms were hard work. D. We felt happy to help others. 【答案】D 【解析】语法综合题。A选项“next Sunday”应用于一般将来时，与过去时“went”矛盾；B选项“our all”表达错误，应用“ours”；C选项动名词作主语，谓语动词应用单数“was”；D选项语法正确，表达得体。故选D。 八、多任务混合阅读。 Part 1: 阅读短文，完成语法相关任务 Yesterday, our school had a volunteer day. Our class went to the City Park. It is a big park near our school. The park is ours. I mean, it belongs to all of us in the city, so we should take care of it. We arrived at the park at 8:30 in the morning. Ms. Li, our teacher, divided us into three groups. The first group watered the flowers and trees. The second group picked up the rubbish on the ground. I was in the third group. Our task was to clean the benches. We carried water and washed them one by one. The work was tiring, but we all felt very proud because we did something meaningful for our community. At noon, we went back to school. We talked and laughed all the way. It was a truly unforgettable day! Task 1: 回答语法相关问题 1.How is “昨天是我们的志愿者日” expressed in English in the passage? ________________________________________________________________________________________ 【答案】Yesterday, our school had a volunteer day. / Yesterday was our volunteer day. (由原文意义提炼) 【解析】考查一般过去时的陈述句表达。 2. What's the nominal possessive pronoun used in the passage? ________________________________________________________________________________________ 【答案】ours. 【解析】考查名词性物主代词的识别。文中的“The park is ours.”意思是“公园是我们的。”，ours是名词性物主代词。 Task 2: 用语法结构改写句子 1. The park belongs to all of us. (用名词性物主代词改写) ________________________________________________________________________________________ 【答案】The park is ours. 【解析】考查同义句转换，用名词性物主代词ours代指“我们的公园”。 2. We carried water and washed the benches. (对划线部分提问) ________________________________________________________________________________________ 【答案】What did you do? 【解析】考查一般过去时的特殊疑问句。对一系列动作提问用“What did you do?”。 Part 2: 语法拓展与应用 核心语法拓展： 名词性物主代词 = 形容词性物主代词 + 名词 如：This is your book. = This book is yours. 一般过去时标志词：yesterday, last..., ... ago, just now, in 2020 等。 语法句型积累： We helped the old people (to) clean their homes. (help sb. do sth.) I find it meaningful to be a volunteer. (find it + adj. + to do sth.) Part 3: 写作训练（语法综合运用） 根据短文及语法知识，写一段关于“我的一次志愿者经历”，要求： 1.不少于6句话； 2.至少使用3种本课时核心语法（一般过去时be动词、一般过去时实义动词、名词性物主代词）； 3.语法正确，逻辑清晰。 ____________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ 【答案】（示例） I did some volunteer work last Saturday. I went to the community library with my friends. The library is not far from our homes. It is ours. We helped the librarian sort books and clean the reading room. The work was not easy, but we felt very happy. An old lady said "thank you" to us. Helping others was truly a wonderful experience. We enjoyed ourselves a lot that day. 【解析】示例运用了过去时态（did, went, felt, said, enjoyed）、“ours”（名词性物主代词）、“was”（过去式be动词）等核心语法，符合要求，逻辑通顺。 1 / 6 学科网（北京）股份有限公司 $