Unit 1 Period 2 Grammar and usage（导学案）英语译林版必修第三册

该高中英语导学案聚焦省略句语法，涵盖定义、四大核心场景（简短回应、并列句、状语从句、不定式）及规则，通过预习清单的填空与思考导入，连接学生已有语法知识，搭建从识别省略现象到语境运用的学习支架。 以环保主题为语境载体，设计辨析易错点、补全省略成分、口语对话等练习，结合分层作业与自我评价，助力学生提升语言表达简洁性，培养语言能力与思维品质，落实学习能力的自主发展，习题情境真实且梯度分明，促进语法知识向语用能力转化。

Unit 1 Nature in the balance Period 2 Grammar and usage（导学案）解析版 【学习目标】 1. 掌握省略句的定义、常见省略场景及基本规则，能准确识别语篇中的省略现象。 2. 学会在简短回应、并列句、状语从句等语境中正确运用省略句，使表达简洁自然。 3. 辨析易混省略结构，避免常见语法错误，如主语不一致、关键成分遗漏。 4. 能结合环保主题语境，运用省略句完成简单的书面表达与口语交流。 5. 提升语法应用能力，能根据语境灵活选择完整句与省略句，优化语言表达。 【学习重难点】 教学重点 1. 省略句的核心场景，简短回应、并列句、状语从句及省略规则。 2. 省略句的正确运用，尤其是状语从句中主语与主句一致时的省略。 教学难点 1. 辨析状语从句中省略的条件，主语一致、谓语含 be 动词，避免错误省略。 2. 在复杂语境中灵活运用省略句，平衡表达简洁性与语义完整性。 【预习清单】 （一）核心语法概念与例句填空 1. 省略句是为避免重复、使表达简洁，省略语境中______（明确 / 模糊）的成分（主语、谓语、宾语等）。 2. 简短回应中常省略______（助动词 / 实义动词）后的内容，如： —Did you visit the Amazon rainforest? —No, I ______.（没去过） 3. 并列句中常省略与前句相同的______（主语 / 状语）和谓语部分，如： He likes hiking, and she ______（喜欢露营）. 4. 状语从句（when/if/while 等引导）中，若主语与主句一致且谓语含 be 动词，可省略______（主语 + be 动词 / 状语），如： When ______（过马路时）, you must be careful. 5. 动词不定式中，常省略与前句重复的______（to 后的动词 / 整个不定式），如： I want to join the volunteer group, but I don’t have time ______.（没时间参加） 【答案】 1. 明确 2. 实义动词；didn’t 3. 主语；likes camping 4. 主语 + be 动词；crossing the road（或 you are crossing the road） 5. to 后的动词；to （二）预习思考 1. 对比完整句与省略句，说说省略句的优势是什么？ 2. 尝试找出下列句子中的省略成分： ① If possible, I will visit the Amazon rainforest. ② He is taller than I. 【学习过程】 学习理解 场景一：简短回应中的省略 Complete the short responses with proper ellipsis. 1.—Have you read the report about rainforest protection? —Yes, ______.（我读过） 2.—Will the environment be improved soon? —I hope ______.（会的） 3.—Do you think we should protect biodiversity? —Of course ______.（我认为应该） 4.—Did they take measures to stop deforestation? —No, ______.（他们没有） 【答案】 1.I have 2.so 3.I do 4.they didn’t 场景二：并列句中的省略 Rewrite the following sentences with ellipsis to make them concise. 1.Tom will plant trees this weekend, and Lucy will plant trees this weekend too. → Tom will plant trees this weekend, and Lucy ______ too. 2.She collected many environmental reports, and she also analyzed many environmental reports. → She collected many environmental reports, and she also ______. 3.The river was polluted seriously, and the lake was polluted seriously too. → The river was polluted seriously, and the lake ______ too. 【答案】 1.will 2.analyzed them 3.was 场景三：状语从句中的省略 Identify the omitted parts in the following sentences and complete them. 1.While (______) working on the project, they learned a lot about ecosystem. 2.If (______) not dealt with properly, pollution will cause great harm. 3.When (______) in trouble, we should turn to environmental experts for help. 4.The forest is more beautiful than (______) expected. 【答案】 1.they are 2.it is 3.we are 4.it was 场景四：动词不定式中的省略 Fill in the blanks with proper ellipsis of infinitives. 1.He wanted to join the clean-up activity, but his parents advised him not ______.（不要参加） 2.I didn’t finish the task yesterday, but I plan ______ today.（今天完成） 3.She can speak English fluently, and she is glad ______ for the foreign visitors.（为外国游客翻译） 4.—Would you like to attend the environmental lecture? —I’d love ______, but I have a meeting.（想去） 【答案】 1.to 2.to finish it 3.to translate 4.to 应用实践 读后-思维提升 （一）易混易错辨析 Correct the mistakes in the following sentences. 1.When walking in the rainforest, a snake was seen by him.（主语不一致） → When ______ walking in the rainforest, he saw a snake. 2.If you will be free tomorrow, please help clean the park.（多余助动词） → If ______ free tomorrow, please help clean the park. 3.He is more interested in biology than me interested.（多余成分） → He is more interested in biology than ______. 4.She didn’t attend the meeting, but she said she will next time.（时态不一致） → She didn’t attend the meeting, but she said she ______ next time. 【答案】 1.he was 2.you are 3.me 4.would （二）语境化语法练习 Complete the passage about environmental protection with proper ellipsis. We all want to live in a clean world, but many people don’t know how ______（如何实现）. When ______（讨论环保措施）, we often mention reducing pollution and planting trees. If ______（可能的话）, we should avoid using plastic bags. Some people have joined environmental groups, and others ______（计划加入）. Though ______（面临很多困难）, we believe the environment will get better. We hope everyone will do their part, and we promise ______（会坚持下去）. 【答案】 to achieve it；discussing environmental measures；possible；plan to；facing many difficulties；to keep doing so （三）口语交流：情景对话 Work in pairs and complete the dialogue with ellipsis. A: Have you taken part in any environmental activities recently? B: Yes, ______.（我参加了）I joined a tree-planting activity last weekend. A: How was it? Did you feel tired? B: A little, but ______.（很有意义）Many people worked together. A: Will you join similar activities again? B: Of course ______.（会的）If ______（有时间）, I will invite you to come with me. A: Great! I’d love ______.（愿意去） 【答案】 I have；it was meaningful；I will；I am free；to 读后-课堂练习 （一）单项选择 1.—Did you see the documentary about the Amazon rainforest? —______. It was very impressive. A. Yes, I did B. Yes, I saw C. No, I didn’t D. No, I don’t 2.While ______ for the bus, she thought about the importance of protecting wildlife. A. waits B. waiting C. waited D. to wait 3.He didn’t go to the environmental conference, but he said he ______ next time. A. will B. would C. do D. does 4.If ______ properly, waste can be turned into useful resources. A. dealing with B. dealt with C. deal with D. to deal with 5.She can speak French, and her sister ______ German. A. can speak B. can C. speaks D. do 【答案】 1.A（简短回应，省略 saw the documentary...） 2.B（while 后省略 she was，主语一致 + be 动词） 3.B（宾语从句中省略 go to the conference，时态与主句 said 一致） 4.B（if 后省略 it is，it 指代 waste，被动关系） 5.B（并列句中省略 can speak，重复情态动词） （二）句子翻译（运用省略句） 1.当在雨林中徒步时，我们应该注意保护动植物。（when 引导状语从句） 2.他想去参加环保讲座，但他没时间。（动词不定式省略） 3.— 你完成了环保报告吗？ — 还没有，但我明天会完成。（简短回应 + 不定式省略） 4.如果可能的话，我们将组织一次清理河流的活动。（if 引导状语从句） 【答案】 1.When hiking in the rainforest, we should pay attention to protecting plants and animals. 2.He wants to attend the environmental lecture, but he doesn’t have time to. 3.—Have you finished the environmental report? —Not yet, but I will tomorrow. 4.If possible, we will organize an activity to clean the river. 总结-语言点 1.省略句核心规则 省略前提：语境清晰，省略后不影响语义理解。 关键场景：简短回应（助动词保留，实义动词省略）、并列句（重复主语 + 谓语省略）、状语从句（主语一致 + be动词，省略主语 + be）、不定式（重复动词省略，to保留）。 2.常见错误提醒 避免主语不一致省略： When driving, the car broke down.（错误）→ When he was driving, the car broke down.（正确） 避免关键成分遗漏： He is better at swimming than his brother.（正确，省略 is） ≠ He is better at swimming than his brother does.（错误） 自我评价 Evaluation Item Self-score (1-5) Notes Mastery of ellipsis rules 是否掌握四大核心场景的省略规则？ Ability to identify omitted parts 是否能准确补全省略句中的缺失成分？ Correct application of ellipsis 是否能在语境中正确运用省略句，避免错误？ Performance in oral dialogue 是否能在口语交流中自然使用省略句？ Ability to correct ellipsis mistakes 是否能辨析并改正易混易错结构？ 迁移创新 作业内容 本节课作业二选一，为分层作业，难度有所区别。基础一般的同学可以选择作业一，基础较好的同学可以选择作业二。 作业一（基础层） Write 5 sentences about environmental protection using ellipsis, covering at least 3 different scenarios（简短回应、状语从句、不定式省略等）。 作业二（提高层） Write a short passage (100-120 words) about your experience of participating in an environmental activity, using at least 3 ellipsis sentences to make the expression concise. 【参考范文（作业一）】 —Did you help clean the park? —Yes, I did. While planting trees, we talked about the importance of forests. She wants to reduce plastic use, and I do too. If possible, I will volunteer to protect the river. He didn’t finish the environmental survey, but he plans to tomorrow. 【参考范文（作业二）】 Last weekend, I joined a community clean-up activity. When arriving at the park, I was shocked by the amount of litter. Many volunteers were already working—some picking up plastic bottles, and others collecting waste paper. I worked with a classmate, and we helped each other. Though tired after hours of work, we felt very happy. A passer-by praised us, and we smiled and said we were glad to. This activity made me realize that small actions can make a big difference. I hope more people will join such activities, and I promise to take part in more in the future. 7 / 7 学科网（北京）股份有限公司 $ Unit 1 Nature in the balance Period 2 Grammar and usage（导学案）原卷版 【学习目标】 1. 掌握省略句的定义、常见省略场景及基本规则，能准确识别语篇中的省略现象。 2. 学会在简短回应、并列句、状语从句等语境中正确运用省略句，使表达简洁自然。 3. 辨析易混省略结构，避免常见语法错误，如主语不一致、关键成分遗漏。 4. 能结合环保主题语境，运用省略句完成简单的书面表达与口语交流。 5. 提升语法应用能力，能根据语境灵活选择完整句与省略句，优化语言表达。 【学习重难点】 教学重点 1. 省略句的核心场景，简短回应、并列句、状语从句及省略规则。 2. 省略句的正确运用，尤其是状语从句中主语与主句一致时的省略。 教学难点 1. 辨析状语从句中省略的条件，主语一致、谓语含 be 动词，避免错误省略。 2. 在复杂语境中灵活运用省略句，平衡表达简洁性与语义完整性。 【预习清单】 （一）核心语法概念与例句填空 1. 省略句是为避免重复、使表达简洁，省略语境中______（明确 / 模糊）的成分（主语、谓语、宾语等）。 2. 简短回应中常省略______（助动词 / 实义动词）后的内容，如： —Did you visit the Amazon rainforest? —No, I ______.（没去过） 3. 并列句中常省略与前句相同的______（主语 / 状语）和谓语部分，如： He likes hiking, and she ______（喜欢露营）. 4. 状语从句（when/if/while 等引导）中，若主语与主句一致且谓语含 be 动词，可省略______（主语 + be 动词 / 状语），如： When ______（过马路时）, you must be careful. 5. 动词不定式中，常省略与前句重复的______（to 后的动词 / 整个不定式），如： I want to join the volunteer group, but I don’t have time ______.（没时间参加） （二）预习思考 1. 对比完整句与省略句，说说省略句的优势是什么？ 2. 尝试找出下列句子中的省略成分： ① If possible, I will visit the Amazon rainforest. ② He is taller than I. 【学习过程】 学习理解 场景一：简短回应中的省略 Complete the short responses with proper ellipsis. 1.—Have you read the report about rainforest protection? —Yes, ______.（我读过） 2.—Will the environment be improved soon? —I hope ______.（会的） 3.—Do you think we should protect biodiversity? —Of course ______.（我认为应该） 4.—Did they take measures to stop deforestation? —No, ______.（他们没有） 场景二：并列句中的省略 Rewrite the following sentences with ellipsis to make them concise. 1.Tom will plant trees this weekend, and Lucy will plant trees this weekend too. → Tom will plant trees this weekend, and Lucy ______ too. 2.She collected many environmental reports, and she also analyzed many environmental reports. → She collected many environmental reports, and she also ______. 3.The river was polluted seriously, and the lake was polluted seriously too. → The river was polluted seriously, and the lake ______ too. 场景三：状语从句中的省略 Identify the omitted parts in the following sentences and complete them. 1.While (______) working on the project, they learned a lot about ecosystem. 2.If (______) not dealt with properly, pollution will cause great harm. 3.When (______) in trouble, we should turn to environmental experts for help. 4.The forest is more beautiful than (______) expected. 场景四：动词不定式中的省略 Fill in the blanks with proper ellipsis of infinitives. 1.He wanted to join the clean-up activity, but his parents advised him not ______.（不要参加） 2.I didn’t finish the task yesterday, but I plan ______ today.（今天完成） 3.She can speak English fluently, and she is glad ______ for the foreign visitors.（为外国游客翻译） 4.—Would you like to attend the environmental lecture? —I’d love ______, but I have a meeting.（想去） 应用实践 读后-思维提升 （一）易混易错辨析 Correct the mistakes in the following sentences. 1.When walking in the rainforest, a snake was seen by him.（主语不一致） → When ______ walking in the rainforest, he saw a snake. 2.If you will be free tomorrow, please help clean the park.（多余助动词） → If ______ free tomorrow, please help clean the park. 3.He is more interested in biology than me interested.（多余成分） → He is more interested in biology than ______. 4.She didn’t attend the meeting, but she said she will next time.（时态不一致） → She didn’t attend the meeting, but she said she ______ next time. （二）语境化语法练习 Complete the passage about environmental protection with proper ellipsis. We all want to live in a clean world, but many people don’t know how ______（如何实现）. When ______（讨论环保措施）, we often mention reducing pollution and planting trees. If ______（可能的话）, we should avoid using plastic bags. Some people have joined environmental groups, and others ______（计划加入）. Though ______（面临很多困难）, we believe the environment will get better. We hope everyone will do their part, and we promise ______（会坚持下去）. （三）口语交流：情景对话 Work in pairs and complete the dialogue with ellipsis. A: Have you taken part in any environmental activities recently? B: Yes, ______.（我参加了）I joined a tree-planting activity last weekend. A: How was it? Did you feel tired? B: A little, but ______.（很有意义）Many people worked together. A: Will you join similar activities again? B: Of course ______.（会的）If ______（有时间）, I will invite you to come with me. A: Great! I’d love ______.（愿意去） 读后-课堂练习 （一）单项选择 1.—Did you see the documentary about the Amazon rainforest? —______. It was very impressive. A. Yes, I did B. Yes, I saw C. No, I didn’t D. No, I don’t 2.While ______ for the bus, she thought about the importance of protecting wildlife. A. waits B. waiting C. waited D. to wait 3.He didn’t go to the environmental conference, but he said he ______ next time. A. will B. would C. do D. does 4.If ______ properly, waste can be turned into useful resources. A. dealing with B. dealt with C. deal with D. to deal with 5.She can speak French, and her sister ______ German. A. can speak B. can C. speaks D. do （二）句子翻译（运用省略句） 1.当在雨林中徒步时，我们应该注意保护动植物。（when 引导状语从句） 2.他想去参加环保讲座，但他没时间。（动词不定式省略） 3.— 你完成了环保报告吗？ — 还没有，但我明天会完成。（简短回应 + 不定式省略） 4.如果可能的话，我们将组织一次清理河流的活动。（if 引导状语从句） 总结-语言点 1.省略句核心规则 省略前提：语境清晰，省略后不影响语义理解。 关键场景：简短回应（助动词保留，实义动词省略）、并列句（重复主语 + 谓语省略）、状语从句（主语一致 + be动词，省略主语 + be）、不定式（重复动词省略，to保留）。 2.常见错误提醒 避免主语不一致省略： When driving, the car broke down.（错误）→ When he was driving, the car broke down.（正确） 避免关键成分遗漏： He is better at swimming than his brother.（正确，省略 is） ≠ He is better at swimming than his brother does.（错误） 自我评价 Evaluation Item Self-score (1-5) Notes Mastery of ellipsis rules 是否掌握四大核心场景的省略规则？ Ability to identify omitted parts 是否能准确补全省略句中的缺失成分？ Correct application of ellipsis 是否能在语境中正确运用省略句，避免错误？ Performance in oral dialogue 是否能在口语交流中自然使用省略句？ Ability to correct ellipsis mistakes 是否能辨析并改正易混易错结构？ 迁移创新 作业内容 本节课作业二选一，为分层作业，难度有所区别。基础一般的同学可以选择作业一，基础较好的同学可以选择作业二。 作业一（基础层） Write 5 sentences about environmental protection using ellipsis, covering at least 3 different scenarios（简短回应、状语从句、不定式省略等）。 作业二（提高层） Write a short passage (100-120 words) about your experience of participating in an environmental activity, using at least 3 ellipsis sentences to make the expression concise. 1 / 5 学科网（北京）股份有限公司 $