Unit1 Food matters(语法课件)-2024-25学年高二英语单元核心语法精讲课件（译林版2020选择性必修第一册）

该高中英语单元复习课件聚焦动词不定式作主语和表语的语法核心，通过“规则讲解-对比辨析-实例验证”构建知识网络。系统梳理不定式作主语时形式主语it的用法、主谓一致、特殊疑问词+不定式结构，以及作表语时与主语的内容对应关系，辅以电影台词翻译示例和重要词汇短语，形成从基础概念到语境应用的完整语法复习体系。 其亮点在于融合语言能力与思维品质培养，如通过《哈姆雷特》等经典台词翻译感知不定式表意功能，提升文化意识。设计“小试牛刀”基础单句填空与“语篇应用”（如餐厅介绍文本填空）分层练习，适配不同水平学生。规则探索环节引导学生分析博客文本自主总结语法规律，培养观察与归纳的思维能力。这种设计既帮助学生扎实掌握语法规则，又提升语境中语言运用能力，教师可直接依托清晰的知识框架与分层练习，高效开展针对性复习教学。

Unit 1 Food matters Grammar and usage 译林版2020 Grammar and usage To-infinitives as subjects and predicatives 译林版2020 Translation To be or not to be, that is the question. 《哈姆雷特》 译： 生存还是毁灭，这是个问题。 The first rule of Fight Club is to never talk about Fight Club. 《搏击俱乐部》 译： 搏击俱乐部的第一条规则，就是绝不要谈论搏击俱乐部。 To love is to destroy, and to be loved is to be the one destroyed. 《骸骨之城》 译： 爱即是毁灭， 而被爱则是被毁灭。 My job is to keep you alive. 《盗梦空间》 译： 我的工作是让你活下去。 To see the world is to change the world.《云图》 译： 看见世界， 即是改变世界。 Review Review 　 语态 时态　 主动 被动 一般式 进行式 完成式 to do to be done to be doing to have done to have been done I hope (see) you next week. 我希望下周能见到你。 I happened (watch) TV when she called. 她打电话来时，我恰巧正在看电视。 They seem (clean) the house. 他们似乎已经打扫过这个房子了。 The factory is reported (burn) down. 据报道，这家工厂已经被烧毁了。 to see to be watching to have cleaned to have been burnt Exploring the rules Exploring the rules Below is a blog entry about eating out and eating at home. Read the blog entry on page 6 and learn about some language points. Important words &phrases 1 急切地去做某事 2 改善与我朋友的关系 3 碰见，偶然发现（人/物） 4 从……中选择 5 提供详细的说明 6 逐步地 7 美味的菜肴 8 投身于 9 难怪 be eager to do sth. enhance the relationships with my friends come across choose from offer detailed instructions step by step tasty dish throw oneself into no wonder Important words &phrases 10 家常菜 11 认为……怎么样 12 只要 13 对……印象深刻 14 让你看到海湾迷人的景色 15 更好的是 16 对风景感到厌烦 17 最好的办法 18 范围从……到……变化 home-cooked meals consider sth. as= consider sth. to be as long as =so long as be impressed by give sb. an amazing view of the bay better still get bored with the scenery one’s best bet range from ... to ... Exploring the rules To-infinitives as subjects To-infinitives as predicatives To eat out was also a social activity, allowing me to enhance the relationship with my friends. Not that long ago, my first thought at mealtimes was to eat at a restaurant. When I picked a popular recipe and gave it a try, I discovered that it was not that difficult to make a simple and tasty dish. My plan is to invite my friends over at the weekend to show them my new-found skills. Observe the sentences, what can you find from them? Exploring the rules When the to-infinitive is used as a subject, we usually use the preparatory subject (1) at the beginning of the sentence. The to-infinitive can also be used as a predicative. It usually comes after the verb (2) . it be 1) To eat out was also a social activity, allowing me to enhance the relationship with my friends.(L2) 2) There are a variety of recipes on the app to choose from.(L4) 3) My plan is to invite my friends over at the weekend to show them my new-found skills.(L13-14) attributive adverbial of purpose Identify what to-infinitives function as in the following sentences from the blog. Exploring the rules object complement Working out the rules Working out the rules To-infinitives as subjects 01 1. 动词不定式作主语，通常表示具体的、一次性的或将要发生的动作。 如：To cook Chinese food is not easy. To eat healthy food is important for our health. 比较：动名词作主语，通常表示一般的、抽象的或经常性的动作。 Cooking Chinese food is always fun. Eating healthy food is good for our health. Working out the rules To-infinitives as subjects 01 2. 动词不定式作主语时，如果不定式太长, 往往用_____ 作形式主语, 不定式后置，以保持句子的平衡。如： It is very kind of you to help me with my maths. It is not so easy for a child to finish the work before Friday. it Working out the rules To-infinitives as subjects 01 1. It is kind __________ you to invite me to dinner. 2. It is easy __________ you to learn how to cook Chinese food. 3. It is considerate __________ them to prepare a special meal for their guests. 4. It is challenging __________ people to try foreign foods from different cultures. 区分： It＋be＋adj.＋ of sb. to do （此处形容词通常是表示人的品质的词，如kind, foolish, good, nice, rude, generous等） It＋be＋adj.＋ for sb. to do（此处形容词通常是描述事情性质的词，如easy, difficult, hard, important, impossible, necessary等） of for of for Working out the rules Practice Rewrite the following sentences by using it as preparatory subject. 1. To learn some table manners is necessary. 2. To offer the best seat to the eldest person at the table is polite. It is necessary to learn some table manners. It is polite to offer the best seat to the eldest person at the table. Working out the rules Practice Rewrite the following sentences by using it as preparatory subject. 3. To sit straight while eating is good manners.  4. To talk with your mouth full is a rude behavior. It is good manners to sit straight while eating. It is a rude behavior to talk with your mouth full. Working out the rules To-infinitives as subjects 01 3. “特殊疑问词 + 不定式” 构成的不定式短语作主语时，相当于主语从句。常见的特殊疑问词有：what , who , which , when , where , why , how 等。如： How to finish the work is a question. Where to finish the work is a question. Who to finish the work is a question. When to finish the work is a question. Why to finish the work is a question. Working out the rules To-infinitives as subjects 01 4. 主谓一致： 1) 单个不定式做主语，谓语动词用单数； To eat at home ______(be) a good choice. 2) and连接两个以上并列的不定式作主语，谓语动词就用复数; To select the right ingredients and to cook them properly _______two important steps in preparing a delicious meal. 3) 多个不定式作为一个整体作主语，谓语动词用单数形式。 When and where to treat my friends _____________________ (not decide) yet. is are hasn’t been decided Working out the rules To-infinitives as predicatives 02 1. 动词不定式作表语，通常说明主语的具体内容。 其主语通常是 aim, ambition, dream, duty, goal, idea, intention, plan, purpose, task, way ,wish 等表示意向、打算、计划的词。如： Her greatest wish is to see her parents again. My dream is to be a doctor. ＝To be a doctor is my dream. 不定式作表语通常可以和主语位置互换。 Working out the rules To-infinitives as predicatives 02 2. 某些系动词，如be（是）、seem（看起来）、appear（看起来）、prove（证明）、turn out（结果）等，后面可以接不定式作表语。 The way best to enjoy this dish is to eat it while it’s still hot. This new restaurant seems to be very popular among food lovers. The dessert appears to be very delicious. This recipe proves to be easy to follow for beginners. The cake turned out to be a big hit at the party. Working out the rules To-infinitives as predicatives 02 系动词常见的分类: be （表状态）：is，am, are, was, were 2. turn out, prove (表证明) 3. seem, look, appear(表像) 4. taste, feel, sound, smell(表感官) 5. keep, stand, stay, remain, lie(表保持) 8. get, become, grow, go, come, run, fall, turn(表变化) Working out the rules To-infinitives as predicatives 02 The problem is how to prepare this dish. The concern is where to buy fresh produce. 3. “特殊疑问词 + 不定式”通常与be动词构成系表结构，作be动词的表语。如： Working out the rules To-infinitives as predicatives 02 All I did was （to） turn off the gas. All we could do was （to） go back home. All I want to do now is （to） have a rest. 4. 当主语部分有行为动词do的各种形式(did/do/does等)时，用作表语的不定式通常要省略to(即“前有do, 后无to”)。 Working out the rules 5. 某些动词的不定式与 be 动词连用时常用主动形式表示被动意义,如be to blame（应负责任）， be to let/rent（出租），be to hire（出租，供雇佣），be to sell（出售）。 The restaurant is to blame for the poor quality of the food. The bakery is to hire. The fresh produce is to sell. To-infinitives as predicatives 02 Practice makes perfect 小试牛刀 1. __________ (learn) a new language is challenging but rewarding. 2. _________ (travel) around the world is my biggest dream. 3. The best way to relax is ____________ (take) a walk. 4. My goal is __________ (improve) my English. 5. __________ (master) a skill requires patience. 6. The hardest part was __________ (say) goodbye. 7. The key to success is __________ (work) hard. To learn To travel to take to improve To master to say to work 小试牛刀(语篇) (1) _______ (have) big dreams is important for everyone. (2) ______ (set) clear goals helps people stay motivated in life. For many students, (3) ____________ (enter) a good university is their main ambition. However, (4) __________ (achieve) success isn't always easy. The first step is (5) __________ (believe) in yourself. Many experts agree that (6) __________ (develop) good habits early makes a big difference. To have To set to enter to achieve to believe to develop 小试牛刀（语篇） For Tom, his dream was (7) ______________ (become) a professional musician. His parents' advice was (8) __________(practice) every day. The most difficult part was (9) __________ (find) time for both school and music. But he learned that (10) ______________ (never give) up is the key to success. to become to practice to find never to give Applying the rules Below is a lifestyle magazine article. Complete the article with the correct forms of the verbs in the brackets. As long as you are not afraid of heights, you will be impressed by Sky Buffet, the latest restaurant in the city centre. (1) _________ (locate) at the top of Tower 88, it gives you an amazing view of the bay. Better still, its entire seating area turns slowly and it is enjoyable (2)_________ (see) the scenery outside while having your meal. Located to see Applying the rules Since it takes about an hour (3)________(turn) the full 360 degrees, you are unlikely to get bored with the scenery. If you want to get the most wonderful views, your best bet is (4)_______ (sit) by the window an hour before sunset and watch how the sky changes colours. The atmosphere is lively and modern, with its walls (5) ________ (paint) white and light blue. Sky Buffet serves a menu full of eye-catching Asian dishes, (6) ________ (range) from Chinese food to Japanese food. It will be a good idea (7)_________ (invite) your family and friends over for dinner. Sky Buffet is considered by many locals (8)_______ (be) the perfect location for a special occasion. painted ranging to invite to be to sit to turn Applying the rules What are the to-infinitives used as in each sentence of this article? As long as you are not afraid of heights, you will be impressed by Sky Buffet, the latest restaurant in the city centre. (1) _________ (locate) at the top of Tower 88, it gives you an amazing view of the bay. Better still, its entire seating area turns slowly and it is enjoyable (2)_________ (see) the scenery outside while having your meal. Located to see subject Applying the rules Since it takes about an hour (3)________(turn) the full 360 degrees, you are unlikely to get bored with the scenery. If you want to get the most wonderful views, your best bet is (4)_______ (sit) by the window an hour before sunset and watch how the sky changes colours. The atmosphere is lively and modern, with its walls (5) ________ (paint) white and light blue. Sky Buffet serves a menu full of eye-catching Asian dishes, (6) ________ (range) from Chinese food to Japanese food. It will be a good idea (7)_________ (invite) your family and friends over for dinner. Sky Buffet is considered by many locals (8)_______ (be) the perfect location for a special occasion. painted ranging to invite to be to sit to turn subject subject predicative complement 小试牛刀(语篇) (1) ___________ (improve) your study skills takes both time and effort. Many students find (2) _________ (focus) difficult at first, but there are ways (3) __________ (make) it easier. The most important thing is (4) ____________ (create) a good study environment. Try (5) _____________ (avoid) distractions like phones and TV. To improve focusing to make to create to avoid 小试牛刀（语篇） Remember (6) _________ (take) short breaks every hour - this helps your brain (7) ________ (process) information better. After (8) ___________ (complete) your homework, reward yourself by (9) ______ (do) something enjoyable. The key to success is (10) _____________ (develop) consistent habits. to take process completing doing to develop THE END $$