Unit1 Section A Grammar Focus-4c 课件 2025-2026学年人教版九年级英语全册

Section A Grammar Focus-4c Unit 1 How can we become good learners? 1 Review Translate the phrases. 1.the secret to language learning 2.most of the time 3.be afraid to do sth. 4.hide behind 5.fall in love with 6.body language 7.expressions on one’s face 语言学习的秘诀 大部分时间, 时常 害怕 / 不敢做某事 藏在……背后 爱上 …… 肢体语言;身体语言 某人的脸部表情 8.as well 9.It’s a piece of cake. 10.It serves you right. 11.at first 12.look up 也;又 毫不费力; 小菜一碟 你活该。 最初; 首先 查阅;抬头看 How do you learn English? I learn English_. by working with friends by making word cards by reading the textbook She learns English _ _. music by listening to English songs How do you learn English? I learn English_. by listening to the tapes by asking the teacher for help by watching English movies How do you learn English? I learn by studying with a group. Do you learn English by reading aloud? Yes, I do. It helps my pronunciation. How can I read faster? You can read faster by reading word groups. How can I improve my pronunciation? One way is by listening to tapes. Read the following sentences and find out the common features. verb + by + v.-ing learn/ study, practice, improve, develop, repeat, review…… Grammar Focus Grammar Focus How do you learn English? I learn by studying with a group. Do you learn English by reading aloud? Yes, I do. It helps my pronunciation. How can I read faster? You can read faster by reading word groups. How can I improve my pronunciation? One way is by listening to tapes. Read these sentences paying attention to the blue parts. Grammar Focus by+动词-ing形式,表方式、方法 (1)在此结构中,by是介词,意为“通过,使用”。 Mr. Brown makes a living by selling newspapers. (2)该结构常用来回答how引导的问句。 介词by的其他常见用法 (1)by +地点,意为靠近;在......旁边 by Tom sits by the window in the classroom. (2)by +时间,意为不迟于;在......之前 Mom told him to come back home by 10 :00. (3)by+交通工具,意为 乘......(表示方式) He goes to work by bike. (4)意为“由……所作” The music by Mozart is famous all over the world. Language points Point1 Point2 Structure How do you do something? we they We sth. do (sth.) by They doing. O Adv P S how 引导特殊疑问句有两种含义 1)表示问候,无须准确回答。 eg. How do you do? How are you? How is everything going? 2)表示“怎样”。 “how” 的用法 eg. - How can I read faster? - You can read faster by reading word groups. - How do you learn English? 你是怎样学习英语的? - I learn English by reading lots of English magazines. 我通过读大量英文杂志学习英文。 v. 记忆;记住 memorize pattern n. 模式;方式 by 的用法 by是介词, 表示“通过……方法或途径”的意思, 译成“靠, 通过”, 后面可加名词、名词短语或动名词。可用来回答how引导的特殊疑问句。 归纳总结 1) go by train / boat / bus 乘火车(船,公共汽车) 2) shake sb. by the hand 和某人握手 3) I study English by watching English movies. 我通过看英文电影学英语。 14 14 中国英语教师网 另外, by作为介词的意义有很多。 例如: 1)在……旁边,靠近 There is a power station by the river. 河边有一个电厂。 2)由于 by mistake 由于差错;错误地 15 15 中国英语教师网 3)被,由 some articles written by Lu Xun 一些由鲁迅写的文章 4)逐一;连续 one by one 一个接一个 5)到……为止 by ten o’clock 16 16 中国英语教师网 Presentation 观察Grammar Focus的以上对话,请思考: 询问做事的方式或手段时,常使用 _句型提问;回答常用 _ 结构来表达,表示通过手段、方法而达到某种目的或某种结果。 How do you…?/How can I…? by+v.-ing Presentation Grammmar-介词by的用法 【观察领悟】 仔细观察例句, 体会句中介词by的具体含义。 1. I practice pronunciation by reading aloud. 2. He goes to school by bike. 3. Let’s sit by the window. 4. We must get back home by ten o’clock at night. 5. She learnt English by herself. 6. The Old Man and the Sea by Hemingway. 7.Don’t read word by word. by是介词, 后接名词、代词或动名词作宾语, 意义较多, 归纳如下: 1. by表示方式、方法、手段等, 意为“通过/用/靠……(而达到某种预期的目的)”, by +doing sth. 意为“通过做某事”在句中作方式状语 —How can I turn on the computer? ——我怎样能打开电脑? —By pressing this button. ——按这个按钮。 Grammmar-介词by的用法 Presentation Presentation Grammmar-介词by的用法 2. by+ 交通工具:表示骑乘…工具, 如 by bus(乘公共汽车),by bike( 骑自行车)… 3. 表示位置, 意为“靠近; 在……旁边”。 The girls are playing by the lake. 女孩们正在湖边玩耍。 4. 表示时间, 意为“在……之前; 到……为止; 不迟于”。 My mother will come back by 6: 00. 我妈妈将在6点前回来。 “by+动名词(短语)”的结构 how do you study English? I study English by working with friends. (1)提问方式:“ by +动词-ing ”结构常用来回答How do you....?或How can I...?这类句型。 (2)回答方式:“ by + 动名词(名词)”结构 ,学会运用by + doing的结构表达做事方式,意为“通过的方式得到...的结果”。by 介词,表示“通过……方法或途径”,译成“靠、通过”。by后面可以加名词或动名词。 重点语法 动名词(v- ing)的用法 语法定义 动名词是由“动词原形+-ing”构成的,但是它不是表示正在做,而只是表示“做……”这件事!“动词原形+-ing”有两种叫法,如果呈现的是名词词性就叫_,呈现的形容词、副词词性时就叫 _。动名词的构成和现在分词一样,但功能完全不同,动名词具有名词的功能,又保留了动词的性质。分词具有形容词、副词的功能且保留了动词的性质。因此动名词在句中作_等。 “动名词” “分词” 主语、宾语、表语、定语 当堂检测 .选词填空。 1.Her mother goes to work_ (on/by) bus every morning. 2.The two kids practice spoken English _(by/with) joining the English club. 3._(Watch/Watching) movies is a popular way for many people to relax. 4.As we know,it's not polite to keep others _(wait/waiting) for a long time. 5.Jane,come in and sit _(between/by) me. 一、单项选择 1. Chinese _ those islands in the sea first. A. invented B. discovered C. created D. repeat 2. We can some information about this city on the Internet. A. look up B. look like C. look after D. look forward to 3. —Harry Potter is _ interesting _ I want to read it again. — I agree with you. A.such; that B. too; to C. so; that D. as; as 4. Chinese people find _ responsible(有责任心的) to help develop African countries along the Belt and Road(—带一路). A.it B. this C. that D. these B A C A 二、用括号内所给单词的适当形式填空。 6.Do you often memorize new words by _(make) vocabulary lists? 7.Can you finish _(do) your homework before nine o'clock? 8.Don't worry about _(make) mistakes when you talk to foreigners in English. 9._(help) each other at school is a way to improve our friendship. 10.We have worked for three hours.Let's stop _(work) and have a rest. making doing making Helping working 1.李雷通过与同学进行对话来练习说的技能。 Li Lei practices speaking skills _ _ _ with his classmates. 2.我通过用英语写日记来提高我的英语写作水平。 I improve my English writing by _ _ _ in English. 3.吴老师建议我通过制作单词卡片来记住单词。 Miss Wu advised me to remember the words _ _ _ _. 4.你可以通过记笔记来学习化学。 You can learn chemistry _ _ _. by having conversations keeping a diary by making word cards by taking notes Exercise 三、根据汉语意思完成句子。 Homework Make dialogs with the structures in Grammar Focus. Write a short composition about how to learn English. 27 $$