Unit1 SectionA Grammar（4a～4d）课件 2025-2026学年人教版八年级英语下册

Unit 1 Time to Relax Section A (4a-4d) Time to Relax BY YUSHEN Learning objectives 1.区分动词不定式在句子中“宾语补足语”和“状语”这两种句法功能； 2.理解动词不定式作“宾语补足语（补充说明宾语动作，常搭配感官/使役类动词）、作“状语”（多表目的等）的用法特点； 3.准确判断具体句子里,加粗动词不定式对应的功能类型。 Subject主 Verb谓 Subject主 Verb谓 Object宾 Subject主 Verb系 Predicate表 Subject主 Verb谓 Object宾 Complement补 系动词： 1. be 动词（am/is/are/was/were） 2. 感官动词（look, sound, feel...） 3. 变化类（become, get） /ˈpredɪkət/ She sings. She sings a song. He is handsome. She teaches him to . Review 复习 She   teaches  him  a song  in the school club every weekend. Subject主 Verb谓 Object间宾 Object 直接宾语 Adverbial状 Q2：动词不定式是动词吗？ Q1：动词在英语句子里扮演什么角色？ 非谓语 动词 动词不定式（to do）在英语句子里扮演什么角色？ 谓语 动词 What do you do in your free time? I play the flute to relax. How did you spend your weekend? I went to the sports centre to ice skate. How did you get into painting? I saw my mother paint. I decided to give it a go. What did your instructor say? She told me not to give up so easily. Decide if each infinitive in bold functions as an object complement or adverbial. 4a Grammar Focus object complement 宾语(补足语) adverbial /ədˈvɜːbiəl/ 状语 object 宾语 作状语，表目的 作状语，表目的 作宾语 作宾补 5 1. Emma didn’t want to go ice skating again at first. 2.Emma went to sports center to try ice skating. 3. Fu Xing used to be scared of water, but he started swimming to get over her fear. 4. Fu Xing told Emma that no one expected her to be perfect from the start. 5. The instructor told Emma not to give up so easily. 6. Fu Xing encougraged Emma to try ice skating again. 作状语，表目的 作宾语，表具体某事 作宾补 作宾补 作状语，表目的 作宾补 尝试写出以下不定式在句中的成分 I tell him not to go to the playground.  My mum asked me not to play phones when crossing the road . Luca asks me not to play computer games for hours.  Lily decided not to come again. 观察与总结：1.动词不定式的否定形式 直接在不定式前加not, 即not to do... It is boring to watch TV. 观察与总结：2.动词不定式作真正的主语基本结构 形式主语 真正的主语 =To watch TV is boring. It is interesting to read books. = To read books is interesting. It is important to learn English well. = To learn English well is important. It is relaxing to listen to music. = To listen to music is relaxing. It was difficult to play the piano. = To play the piano is difficult. It is/was+____________ +________________ 形 to do(不定式) 主+谓+it+____________ +________________ I find it useful to learn something new. 形式宾语 真正的宾语 =I find to learn something new is useful. 补充：sb. + feel/find/make/think/believe + it + adj. + to do sth. I find it hard to learn a new skill at first.  观察与总结：3.动词不定式作宾语基本结构 =I find to learn a new skill at first is hard. I think it easy to learn English. =I think to learn English is easy. 形 to do(不定式) 1. I think it___ (be)impossible for robots _____________ (replace)humans. is to replace 3. She felt it ______ (be)easy _____ ______(solve)the math problem. was to solve 2. ______ is interesting ____ (make) apps. It to make 4. I believe______ good ____(exercise) every day. it/it’s to exercise Exercises see/watch/hear/notice/ feel sb to do sth 感官动词（看见/听见/注意到某人做某事） 使役动词（让 / 使某人做某事） make/ let/ have sb to do sth 难点补充与说明: 4.省略to的动词不定式的情况 I hear/notice some one sing next door every morning He makes me feel better. 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 make sb. do sth. 让某人做某事 ask sb. to do sth.要求某人做某事 try to do sth. 尝试做某事 watch sb. do sth.看某人做某事 want to do sth. 想要做某事 tell sb to do--tell sb not to do sth.告诉某人不要做某事 “it's + 形容词 + not to do sth.” 是常用结构 Complete the conversations with the correct forms of the verbs in brackets. 4b 12 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 at 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 watch listen chat to spend do 目的状语 宾语 宾语 直接宾语 直接宾语 Complete the passage with the infinitive forms of the verbs in the box. What do you usually do outdoors? 4c 13 当堂测 根据汉语意思完成句子。 1. 让我们想想我们能为保护东北虎做些什么。 Let’s think about what we can do ____________ (protect) the Siberian tigers. 2. 我每天读英语是为了提高我的口语水平。 I read English every day ____________ (improve) my spoken English. 3. 我的妹妹通常锻炼30分钟来保持健康。 My sister usually ____________ (exercise) for 30 minutes____________ (keep) healthy. 4. 汤姆希望他的爸爸这周末带他去博物馆。 Tom wishes his father ____________ (take) him to the museum this weekend. 5. 外面太冷了，所以我请朋友关上窗户。 It was too cold outside, so I asked my friend ____________ (close) the window. 6. Look! The little bird ____________ (sing) beautifully in the tree now. 7. ____________ is important____________ (do) sports every day. (每天做运动很重要) = ____________ sports every day ____________ important. 8. I find ____________ relaxing____________ (listen) to light music. (我发现听轻音乐很放松) to protect to improve exercises to keep to take to close is singing It to do To do is it to listen $