Unit 1 Section A Grmmar Focus (4a～4c)课件-2025-2026学年人教版英语八年级下册

UNIT 1 Time to Relax SECTION A How do you spend your free time? GF-4C 掌握核心短语：能听懂、说出并正确使用 get into, give it a go, once in a while, go on an outing 等短语。 认读并运用词汇：能正确认读 kung fu, push, myself, chat, outing 等单词，并在句子中灵活运用。 理解不定式功能：能识别并区分动词不定式在句子中作目的状语和宾语补足语的用法。 运用语言表达：能用所学词汇和不定式结构，描述自己的休闲活动和与他人的互动。 Learning Objectives Words get into give it a go kung fu /ˌkʌŋ ˈfuː/ push /pʊʃ/ myself /maɪˈself/ once in a while chat /tʃæt/ outing /ˈaʊtɪŋ/ go on an outing 开始做某事；进入 试一试某事 n. 功夫 v. 督促；推 pron. 我自己 偶尔地；间或 v. & n. 闲聊 n. 出外游玩；远足 出外游玩 Lead-in What do you do to relax in your free time? go fishing read books play ping-pong ice skating play chess play basketball play tennis play the guitar Lead-in Why do you do it? I play basketball to _________. I read books _________________. keep fit to learn new things I _________ _________________. 目的状语 口诀：“为了做某事，to do 放句后” Read the sentences. Decide if each infinitive in bold functions as an object complement or adverbial. 4a Question Sentence 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. 不定式 宾语补足语 状语 ? Do you know? 动词不定式用法讲解 1. 作目的状语（表 “为了……”） 结构：___________，常放在句末，说明做某事的目的。 to + 动词原形 口诀：为了做某事，to do 放句后。 例句： I play the flute to relax.（我吹长笛是为了放松。） 一、不定式的三大核心功能 2. 作宾语补足语（补充说明宾语的动作） 主要分两种情况： ① 感官 / 使役动词后（省 to） 常见动词：make, let, watch, see, hear, feel 高频考点 例句： It made me decide to try skiing.（它让我决定尝试滑雪。） I'd love to watch you fly kites.（我想看你放风筝。） 口诀：使让听看感，后面省 to 真方便。 ② 使令 / 要求类动词后（带 to） 常见动词：ask, tell, want, order 口诀：告诉要求想，to do 不能忘。 否定形式：not to do 例句： My cousin often asks me to fly kites.（我表妹经常叫我和她一起放风筝。） My parents told me not to push myself too hard.（我父母告诉我别对自己太苛刻。） 3. 作动词的宾语 常见动词：want, try, decide, love, like, hope, plan 口诀：决定想要尝试爱，后面 to do 跟上来。 例句： Try to forget your fears.（试着忘记你的恐惧。） When I want to relax, I watch animal videos.（当我想放松时，我看动物视频。） 二、特殊句型：It's + adj. + (not) to do... 含义：______________________________。 结构：____________________________ 做某事（不）是…… 的 It's + 形容词 + (not) to do sth. 例句： It's important not to forget to relax once in a while.（偶尔别忘了放松是很重要的。） 不定式用法总结 make/let/watch/see/hear 等感官 / 使役动词 口诀：使让听看感，后面省 to 真方便 ask/tell/want/order 等 “要求 / 告诉 / 想要” 类动词 口诀：告诉要求想，to do 不能忘 try/want/decide/love 等 “尝试 / 想要 / 决定 / 喜爱” 类动词 口诀：决定想要尝试爱，后面 to do 跟上来 表目的（为了做某事） 口诀：为了做某事，to do 放句后 固定句型 It's + adj. + (not) to do 口诀：做某事是怎样的，to do 跟在形容词后 三、快速判断小技巧 动词 它是在说 “为了什么” 吗？ → 目的状语（to do） 它是在补充说明 “某人做了什么” 吗？ 宾语补足语（注意省 to 还是带 to） 它是跟在 “想要、尝试、决定” 这类词后面吗？ 宾语（to do） → → Read the sentences. Decide if each infinitive in bold functions as an object complement or adverbial. 4a Question Sentence 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. 不定式 宾语补足语 状语 Adverbial (表目的) Adverbial (表目的) Object complement 宾语补足语 Object complement 宾语补足语 4b Complete the conversations with the correct forms of the verbs in brackets. 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. decide to forget to fly 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. to fly to relax to relax not to push not to forget 4c Complete the passage with the infinitive forms of the verbs in the box. What do you usually do outdoors? chat (not)come do listen play spend stay watch 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! play (not come) 双胞胎兄弟 chat(not) come do listen play spend stay watch 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! staying watching listening chatting to spend do Exercise 一.核心短语 空闲时间 度过周末 开始对绘画感兴趣 尝试一下 放弃 free time spend the weekend get into painting give it a go give up 要求某人做某事 观看某人做某事 对自己要求太高 偶尔 待在家 听音乐 和朋友聊天 家庭外出活动 ask sb. to do sth. watch sb. do sth. push oneself too hard once in a while stay at home listen to music chat with friends family outing 二、单项选择（每题考查一个核心考点） My teacher often tells me ______ too much time on computer games. A. not to spend B. not spend C. to not spend The funny story made all of us ______ loudly. A. to laugh B. laugh C. laughing I got up early this morning ______ the first bus. A. catch B. to catch C. catching 三、用所给动词的适当形式填空 Let him _________ (finish) his homework first. My parents want me ___________ (become) a doctor in the future. I went to the library ____________ (borrow) some books. Did you watch them ___________ (play) basketball yesterday? Try ___________ (not be) late for class again. finish to become to borrow play not to be 三、句型转换 1. I get up early so that I can catch the first bus.（改为简单句） I get up early ______ ______ the first bus. 2. He decided that he would not go there alone.（改为简单句） He decided ______ ______ ______ there alone not to go to catch $