初中英语人教版（2024）九年级上册（2024）Grammar Focus精品课件ppt

这是一份初中英语人教版（2024）九年级上册（2024）Grammar Focus精品课件ppt，文件包含冀教版小学数学五上第七单元知识梳理与易错精讲教师解析版docx、冀教版小学数学五上第七单元知识梳理与易错精讲学生版docx等2份学案配套教学资源，其中学案共21页， 欢迎下载使用。
Presentatin
GrammarPractice
掌握“观察语法结构—归纳用法规则—区分时态差异—语境实战运用”的自主学习方法，能够独立完成课时对话、短文填空练习，主动梳理不同时态的适用场景与用法区别；在语言练习和话题表达中，主动整合所学语法知识，灵活运用知识解决语境运用问题，逐步养成自主探究、归纳总结、学以致用的英语学习习惯，提升语法运用与综合解题的自主学习能力。 依托“交通发展与生活改善”的话题语境，感知家乡发展变迁的美好成果，了解社会发展带来的生活便利与进步；能够结合所学英语知识客观、正向地用英语介绍家乡的发展变化，树立对家乡发展的认同感与自豪感，培养热爱家乡、关注生活发展的积极文化心态，形成正向的生活与发展认知。
通过对比分析 used t d、一般过去时、现在完成时的语义差异与使用场景，锻炼对比辨析、归纳总结的逻辑思维能力；围绕“交通与生活发展”话题，辩证看待生活的过往与当下的变化，跳出单一语言学习维度，结合语法知识进行创造性、逻辑性的英语表达，提升语言运用的思辨性与创新性思维。
（一）教学重点精准区分 used t d、一般过去时与现在完成时的语境差异，突破三种时态在“描述变化”主题中的混用误区，明确不同时态的时间指向与语义侧重，避免语法使用错误。（二）教学难点熟练辨析现在完成时不同标志词的使用场景，掌握fr与since、yet与just、ever的用法区别，能够根据句式和语境精准匹配对应标志词，提升语法运用的准确性。
Lk at these sentences, tell the verb tenses.
He had breakfast at hme yesterday .
I have finished my hmewrk already.
Simple Past
Present Perfect
He has sld vegetables and friuts n live streaming platfrms fr tw years.
The reprter interviewed the farmers last week.
Our hmetwn has changed a lt since 10 years ag.
PresentPerfect
Tday we will fcus n exactly these three ways f talking abut the past and present.
Circle the verbs. Wrk in pairs, Which sentences talk abut a past actin? Which talk abut a past habit? Which talk abut a result nw?
Grammar Fcus: Simple Past Tense
结构: 主语 + 动词过去式 (V-ed) + ...
时间标志词 :yesterday, in +过去年代, last week, 一段时间+ag
含义：描述过去发生的具体事件（动作已结束，与现在无关）
The man was very busy last week.
Grammar Fcus: Present Perfect Tense
结构：主语 + have/has​ +其它。
时间标志词 already, yet, just, s far, fr+一段时间, since+...
含义：过去发生的动作，对现在造成影响 / 结果 表示：从过去持续到现在的动作 / 状态
She has kept this bk fr tw weeks.
1. The lcal gvernment ______ massive imprvements t the infrastructure since 2018.A. makes B. madeC. has madeD.will make
2. Technlgical achievements ______ a deep influence n hw we cmmunicate yesterday.A. have hadB. hadC. hasD. having
Grammar Practice
3. The twn built a new high-speed railway three years ag. (Change t Present Perfect using ‘since’) The twn ____ ____ a new high-speed railway ______ three years ag.
has built
4. They have experienced great achievements in envirnmental prtectin fr a decade. (Change t Simple Past using ‘in 2014’) They _________ great achievements in envirnmental prtectin ____ ____.
in 2014
Grammar Fcus: used t
结构: 主语 +used t​ +动词原形
含义：表示过去的某种经常性、习惯性的动作或行为.并意味着这种动作 目前已经不存在
时间标志词 : used t,but nw,强调 “今昔对比”
He used t like cffee, but nw he likes drinking tea .
Grammar Fcus: used t 句子结构
否定句:主语+didn’t use t d sth./主语+usedn’t t d sth.
肯定句 ：主语+used t d sth.
一般疑问句 : Did+主语+ use t d sth.?/Used+主语+ t d sth.?
He didn’t use t like cffee. /He usedn’t t like cffee.
_ Did he use t like cffee?/Used he t like cffee?
_ Yes, he did./N,he didn’t.
She used t have curly hair.
表示过去习惯性的动作或经常性的状态，现在已经不存在。
She is used t getting up early.
be/get used t ding
习惯于做某事（可用于现在、过去、将来等多种时态）
The knife is used t cut fruit.
be used t d
被用来做某事（是被动语态, 用于多种时态）
主语 + have / has + dne
1.主语+be(were,was)2.主语 + 动词过去式
1.主语 + be (am, is, are)2.主语 + 动词原形/单三
【主语 + used t+动词原形】过去习惯/状态（现在已改变）
A: ______ yu ______ (be) t the new library yet?B: N, I ______________ (nt knw) there was a new library. When did it ______ (pen)?A: It ____________ (pen) last Friday. I _____________ (g) there with my grandpa n Saturday night.B: ______ yu ______ (like) it?A: Of curse! It’s the mst high-tech library I __________ ever __________ (visit).B: Oh, what ______ yu ______ (see) there?A: There are sectins with bks abut science and Chinese culture, as well as a huge sectin with children’s bks. I als ______ (read) sme digital bks n the cmputer. My grandpa _____________ (listen) t sme audi bks because he can’t see well.B: Cl! I ________________ (bring) my little brther there tmrrw.
Have been
didn’t knw
D like
have visited
did see
listened
will bring
对过去不知道某事的陈述
关于科学和中国文化的书籍
have been t… 去过某地（现在已经回来）
read 的过去式还是 read
In the past, it ______ (be) difficult t travel in Guizhu. In many places, there used t ______ (be) n bridges t crss ver muntains and rivers, and mst rads were just dirt tracks. This ______ (make) it difficult fr lcals t bring prducts t the market r t develp industry.Nw great changes ____________ (take) place. The gvernment ___________ (build) thusands f kilmetres f highways, railways, and wide rads. It has als built many high bridges ver muntains and rivers. A jurney that used t _________(take) a day nw takes nly a few hurs. As a result, the lives f lcal peple __________________ (imprve). They are much richer and happier than they nce ________ (be).
have taken
has built
have imprved
make it + adj. + t d sth.使做某事…
have imprved
wh has helped make life better? Parents? Teachers? Wrkers?
hard wrk f many peple and the supprt f the gvernment.
1.In Guizhu,
My parents have wrked hard t give me a gd educatin.The wrkers have built a new park fr us.
2.In ur hmetwn,
New rads may destry ld frests.
Changes can bring prblems t.
Nt All Changes Are Gd
We shuld balance develpment with health.
What shuld we d?
Fast fd restaurants – cnvenient but unhealthy.
We shuld ...
1.My grandfather ______ drink cffee every mrning, but nw he prefers tea.A. used t B. is used t C. gets used t 2.He ______ be shy, but nw he enjys giving speeches in public, ______ he?A. used t;didn’t B. used t; desn’t C. is used t; isn’t3.— Did yur sister ______ stay up late t study? — N, she ______. But nw she ______ wrking until midnight.A. used t; didn’t; is used t B. use t; didn’t; gets used tC. used t; wasn’t; is used t 4．—Tina, when did yu cme t Guangyuan? —Oh, many years ag. I ________ here since I was five.A．have gneB．have beenC．wasD．am4．—Peter, did yu play table tennis with yur friends after schl yesterday?—N, I didn’t. We ________ vegetables in ur schl garden.A．waterB．have wateredC．wateredD．are ging t water
完成课本4b、4c的错题订正，在对话和短文中正确运用“I used t...”, “Have yu ”描述变化。
采访你的同学或伙伴描述他们社区至少2个变化，然后用英语完成采访描述。