Unit 1 Life Choices Lesson 1 Lifestyles 语法 动词不定式课件 2025-2026学年高中英语北师大版必修第一册

动词不定式 Do you still remember them? 1. According to Joe, what is important? 2. What does he need to do? It is important to meet friends in person from time to time, not just on social media. He needs to drag himself away from the online world sometimes. subject 主语 object 宾语 infinitive 不定式 Read each sentence and underline the infinitive. Does it function as a subject (主语), object (宾语), predicative (表语), attribute (定语), adverbial (状语) or object complement (宾语补足语)? 1. My mum keeps telling me to go out with my school friends instead. 2. It’s important to meet friends in person from time to time. 3. When I set out to do something, I do my best to achieve it. 4. My target is to prepare myself for my degree in biology at university. 5. Li Ying is the first person to join the volunteering club in her class. object complement 补语 predicative 表语 attributive 定语 adverbial 状语 subject 主语 object 宾语 动词不定式是 动词的一种，基本构成为 ，没有人称和数的变化，在句子中 ______作谓语，但可做 、 、 _______ 、 、 和 ，具有名词、形容词和副词的特征。 动词不定式仍保留动词的一些特点。 What is infinitive? 非谓语 to do 不能 主语 表语 宾语 状语 宾语补足语 定语 牛刀小试 She seems to                (hear) about this matter. He was said to                    (tell) about the news. The weather seems                  (improve) now. Let's go for a picnic. have heard have been told to be improving How to use? 1. 做句子的主语 To drink Mixue Bingcheng makes me happy. It is happy for me to drink Mixue Bingcheng 牛刀小试 ①To get up early is a good habit. → a good habit . ②It is difficult to speak a foreign language well. → difficult. ③It is necessary to remember enough words. → necessary. It is to get up early To speak a foreign language well To remember enough words 2. 做句子的表语 My wish is to join the army after graduation. His job is to feed animals. 表将来 牛刀小试 ①我的工作是每天打扫房间。 My work is every day. ②他的梦想是当一名医生。 His dream is . ③它看起来是本有趣的书。 It seems . to clean the room to be a doctor to be an interesting book 3. 做句子的宾语 He managed to escape from the fire. I don’t know what to do next. v.+to do I find it useful to learn English well. v.+疑问词+to do v.+it +adj./n.+to do like，want，try，begin，decide，ask，forget，promise，hope，love, offer, refuse，wish等。 主语＋find/feel/think/believe/consider/make＋it＋adj./n.＋to do sth 牛刀小试 ①他同意帮助我们。 He agreed . ②我们都在思考如何解决这个问题。 We are all thinking about . ③我发现与他相处是件难事。 I find it hard ____________________. to help us how to solve this problem to get along with him 4. 做句子的宾语补足语 He warned me to be careful. They saw the boy fall off the tree. The boy was seen to fall off the tree. ask, tell, order, want, get, would like, like, advise, invite, allow, help, wish, warn, expect, would prefer, encourage. 感官动词和使役动词后面作宾语补足语的不定式不带to，但变为被动语态时，作主语补足语的不定式需带to。常见的上述词有：一感：feel；二听：listen to，hear；三使：let，have，make；四看：see，watch，notice，observe等。另外，help后作宾语补足语的不定式符号to可有可无。 牛刀小试 我没有料到你会来得这么快。 I didn't expect here so soon. 请提醒我开会不要迟到。 Please remind the meeting. 他请我谈谈英语学习。 He asked English study. you to come me not to be late for me to talk about 5. 做句子的定语 He's always the first one to get up. Please give me something to drink. He wanted to find a new house to live in. 不定式动词为不及物动词，则该动词必须与介词连用，使其成为及物的动词短语。 主谓关系 动宾关系 牛刀小试 ①这是开前门的钥匙。 This is the key . ②这是一些纸，你可以在上面写字。 Here is some paper for you . ③他总是第一个来，最后一个走。 He was always and . to open the front door to write on the first to come the last to leave 6. 做句子的状语 He ran so fast as to catch the first bus. He hurried to the post office only to find it was closed. We were very excited to hear the news. 目的状语 结果状语 To turn to the left, you could find a post office. 原因状语 条件状语 just to, only to（仅仅为了）, in order to, so/such...as to...（如此……以便……） too ...to do sth; ...enough to do sth; only to do sth。 主要放在表示喜怒哀乐(glad, pleased，sad, worried, sorrow, excited等)的情感的词汇之后。 牛刀小试 ①她昨天来看我了。 She came yesterday. ②她到得很早，为的是得到一个好座位。 She arrived early . ③我急急忙忙赶到他家，结果却发现他不在家。 I hurried to his house, only him out. to see me to get a good seat to find Complete the blog entry with the correct form of the words in the brackets. I wake up at six o’clock every morning. It _______ (take) me less than 15 minutes _________ (wash), get changed, have breakfast and leave home. I’m always the first person _______ (get) to my class. The mornings are always very busy and the afternoons are even busier! By around five o’clock, I usually _______ (find) time _______ (do) my paperwork and preview the lessons. You may think that it _______ (be) boring ________ (do) the same thing every day, but I like being busy. (Wang Qing, 16 years old) takes to wash to get find to do is to do In Henan Province and Shandong Province, China, the senior high school life is extremely tough and boring. Parents count on their children 1. (admit) into key universities. As a result, higher grades mean everything, and self­control is very important 2. (succeed)．Some are begged 3. (work) hard; some are forbidden 4. _______(watch) TV. 5． (conclude), people here spare no efforts 6. (defeat) others and 7. (get) high marks comes first. to be admitted to succeed to work to watch To conclude to defeat to get Retell what the infinitive does in the sentence. 课堂总结 Thanks for listening 动词不定式的时态和语态 动词不定式的时态和语态的形式见下表： 时态 主动 被动 意义 例句 一般式 to do to be done 不定式表示的动作与谓语表示的动作同时或先后发生 I'm glad to see you. 我很高兴见到你。 进行式 to be doing 谓语表示的动作(情况)发生时，不定式表示的动作正在进行 He pretended to be reading a book when I came in. 当我进来的时候他假装正在读书。 完成式 to have done to have been done 不定式表示的动作先于谓语表示的动作 We seem to have met each other before. 我们好像以前见过面。 $