Unit 1 Section A Grammar Focus 课件 2025-2026学年人教版八年级英语下册

Unit 1 Time to Relax Grammar Focus 正在做；由某人决定 练书法 教某人如何做某事 观看某人正在做某事 观看某人做某事 往事开头难 单笔画 鼓励某人做某事 放弃 选择做某事 弹吉他 作为回报 一言为定 达成协议 处理 设法做成某事 be up to do calligraph teach sb. how to do sth. (taught) watch sb. doing sth. watch sb. do sth. Everything’s difficult before it’s easy The first step is always the hardest. single strokes encourage sb. to do sth. give up (gave) choose to do sth. (chose) play the guitar in return It’s a deal make a deal deal with (dealt) manage to do sth. 3a-3c Revision I need somebody________ Somebody_________ Somebody __________ Somebody __________ It's easy ________ But it's never the same to heal to know to hold to have to say 非谓语动词 to do 谓语动词 “to+动词原形”被称为动词不定式，常写作 to do(有时to可以省略)，否定形式为not to do。 该形式又被称为动词的非谓语形式，在句中除了不能作谓语外，可作其他成分，没有人称和数的变化。 动词不定式 动词不定式的用法 不定式常出现在一些及物动词后，构成动词短语，如：want , plan , agree, learn, hope等 You must learn to look after yourself. 你必须学着照顾自己。 作宾语 V. + to do sth 1. My sister wants ______ a scientist in the future.    A. to be  B. being C. be D. is 3. I hope ______ you again soon.    A. see B. saw C. seeing D.to see 3. He needs ______ more vegetables. They are good for health.    A. eat B. eating C. to eat D. eats 4. —Would you like ______ some juice? —Yes, please.    A. have B. to have C. having D. had 5. They decided ______ football after school.    A. to play B. playing C. play D. played A D C 【即时演练】 B A Focus on 用法 ①动词不定式作宾语补足语 ②动词不定式作目的状语 Infinitives as object complements and adverbials 动词不定式用来补充说明宾语的情况。 I ask him to arrive on Sunday. 作宾语补足语 v.+sb.+to do sth ask, teach, tell, advise, invite,expect, wish, allow, encoutage,want +sb. to do sth. He told us not to make too much noise. 韩先生跟我们说过不要制造太多噪音。 我让他周日到达。 否定： V. + sb. not to do sth. 【即时演练】 1. My parents want me ______ to bed early. A. to go B. go C. goes 2. Please remind me ______ the letter tomorrow. A. posting B. to post C. post 3. The teacher warned the students ______ in the hallway. A. don't run B. not to run C. not run 4. Could you get your brother ______ me with this box? A. help B. helping C. to help A B B C 5. I would like you ______ careful with your words. A. be B. are C. to be 6. Her father doesn't allow her ______ out too late. A. staying B. to stay C. stay 7. The sign tells people ______ on the grass. A. to not walk B. not to walk C. don't walk 8. He taught me ______ this math problem. A. solving B. solve C. to solve C B B C 感官动词(hear, see, watch,notice等)和 使役动词(make, let等) 省略to My parents sometimes make me do some housework. 我父母有时让我做些家务活。 help后面的动词不定式可加to，也可不加to。 Could you help me (to) clean the room? 你能帮我打扫房间吗？ v.+sb+ do sth help sb. (to) do sth. 【即时演练】 1. The funny movie made all of us ______ loudly. A. laugh B. to laugh C. laughing 2. I saw a little bird ______ on the branch when I passed by. A. sing B. to sing C. singing 3. You look pale. You'd better ______ a rest right now. A. have B. to have C. having 4. My mother often has me ______ the dishes after dinner. A. wash B. to wash C. washing 5. Why not ______ your new bike with you this weekend? A. to take B. take C. taking A C A A B ② She is running quickly in order to catch the train. = In order to catch the train, she is running quickly. 为了赶上火车，她跑得很快。 ① Dylan trained hard to improve his basketball skills. = To improve his basketball skills, Dylan trained hard. 迪伦刻苦训练以提高自己的篮球技能。 表示某一动作或状态的目的 (做某事是为了什么) ，可位于句首也可位于句末。 不定式前面加in order构成 in order to do ...，可加强语气或使目的意义更加清楚。 作目的状语 成分 作用 句子逻辑 例句 宾补 状语 补充说明宾语的动作/状态 说明谓语动词的目的 主语让/叫/要求宾语做某事 主语做某事是为了达成某个目标 He asked me to open the door. He stood up to open the door. 如何区分不定式作宾补还是目的状语？ (In order) to catch up with my classmates, I must study harder. To catch the early bus, I got up very early this morning. I went to the library to borrow some books. She studies hard to get good grades. 不定式的动作执行者是句子的主语 My father encourages me to play the guitar. The manager asked him to wait. The teacher tells the students not to cheat in the exam. They often tell me not to get close to strangers. 宾语是动作的执行者 一、语法点单句特训。 (　　)1.Many students are talking about DeepSeek, and I hope 　　　　it to remember English words. A.use B.using C.to use (　　)2.She is very kind.She always volunteers here 　　　　old people.  A.looks after B.looking after C.to look after (　　)3.My sister encouraged me 　　　　English as often as possible.  A.speak B.to speak C.speaking C C B (　　)4.My father told me 　　　　too much time playing computer games.  A.don’t spend B.not to spend C.not spending (　　)5.She missed the bus.It made her 　　　　for an hour for the next one.  A.wait B.to wait C.waiting B A (1) Emma went to the sports centre ________(try) ice skating. (P3) (2) The instructor told Emma not ________(give) up so easily. (P3) (3) Fu Xing used to be scared of water, but she started swimming ________(get) over her fear. (P3) (4) My dad's teaching me ________(play) the guitar. (P4) (5) Now I do calligraphy ________(relax). (P4) (6) Will you teach me ________(write) a poem? (P4) 用所给单词的正确形式填空。 to try to give to get to play to relax to write 下列不定式在句中做什么成分呢？ 目的状语 宾语补足语 目的状语 宾语补足语 目的状语 宾语补足语 4a Read the sentences. Decide if each infinitive in bold functions as an object complement or adverbial. P5 Grammar Focus 目的状语 宾语补足语 目的状语 宾语补足语 开始(喜欢)做某事；进入 试一试某事 ______________is not decided yet. 还没决定什么时候开始。 The problem is_______________ the party. 问题是去哪办聚会。 I don’t know_____________ . 我不知道去哪。 *与特殊疑问词连用：放在what, which, where, when, which, who, how等词之后， When to start where to have where to go 特殊疑问词＋to do. 4b Complete the conversation with the correct forms of the verbs in brackets. P5 1. A: Thanks for your advice! It made me _______(decide) to try skiing. B: You're welcome. Try ________(forget) your fears and have fun! 2. A: My cousin often asks me _______(fly) kites with her when it's windy. B: That sounds fun! I'd love to watch you _______(fly) kites sometime. 3. A: I love to watch kung fu movies _______(relax). B: Really? When I want _______(relax), I watch animal videos. 4. A: My parents told me ___________(not push) myself too hard. B: Yes, it's important ___________(not forget) to relax once in a while. decide to forget to fly fly to relax to relax not to push not to forget put oneself too hard 把自己逼得太紧 偶尔地；间或 看功夫电影 4c Complete the passage with the infinitive forms of the verbs in the box. What do you usually do outdoors? P5 My twin brother and I look alike, but we are so different. I love sport, and I often meet my friends _______ football and tennis. My brother joined us to play football once or twice, but he decided ___________ after that. He doesn't like sport very much! Instead, he likes _______ at home and ________ movies, _______ to music, and _______ with friends online. Our parents were worried about him staying home too much. They also wanted us ________ more time together as a family. So, now they let us _____ our favourite activities on Saturdays, but on Sundays, we go on a family outing together! chat (not) come do listen play spend stay watch to play not to come to stay to watch to listen to chat to spend do 看起来相似 和....聊天 去家庭郊游/全家出游 =worry about 担心；担忧 let sb. do sth. 作目的状语 含义及用法 * 用来补充说明宾语 * 常带不定式作宾补的动词有： allow, choose, ask, tell, warn, order, get, invite, wish, want, encourage等 表示某一动作或状态的目的 (做某事是为了什么) ，可位于句首也可位于句末 动词不定式 作宾语补足语 缺音频 没有答案 2. We should build on past achievements and work together ______ a better world. A. make B. making C. made D. to make (2025 扬州市 单项选择) 1. The government (政府) is developing new plans ______ ancient buildings. A. protect B. to protect C. protects D. protected (2025 天津市 单项填空) 3. Every year, quite a lot of tourists come here _________(visit) it. (改编自2025 陕西省 短文填空) 4. They must stay strong _________(save) people. (2025 辽宁省 语篇填空) to visit to save 5. Even today, students are encouraged ________(read) The Analects of Confucius ( 《论语》). (2025 长沙市 短文填空) to read 6. _________(draw) a Chinese painting, you need a writing brush, ink, rice paper (Xuan paper), and an inkstone. (2025 贵州省 语篇填空) 7. Students are asked ________(do) this task by themselves. (2025 甘肃省 词汇考查) To draw to do 注: 另附word文档，点击此处链接 缺音频 没有答案 ( ) 1. Mr Li told his students ______ in class. A. not speak B. not to speak C. don't speak D. not speaking ( ) 2. Just now I saw Mary ______ Miss Black's office. A. enter B. to entering C. enters D. to enter I. 单项选择。 B A ( ) 3. Please ask him ______ the window when he leaves. A. close B. to close C. closing D. closed ( ) 4. — What will you do this weekend, Sandy? — I will go to the village ______ my grandparents. A. visit B. visited C. to visit D. visiting ( ) 5. ______ her English speaking, Helen practises for two hours every day. A. Improve B. To improve C. Improving D. To improving B C B II. 根据句意，从括号中选择合适的词语填在横线上。 1. Remember __________(send / to send) the letter to your uncle. 2. Mark heard someone __________(close / closes) the door just now. 3. This morning, Bill got up early ____________　　　　　 (practising / to practise) playing football. 4. She encouraged her friend ___________(not to be / not being) afraid of making mistakes. 5. In order ______________(understand / to understand) the poem better, Vivian read it three times. to send close to practise not to be to understand $