初中英语Grammar Focus教学课件ppt

这是一份初中英语Grammar Focus教学课件ppt，共33页。PPT课件主要包含了Lead-in，时间标志词，句型结构，used to+V原，Practice，Production，Summary，Exercise，Homework等内容，欢迎下载使用。
Learning Objectives
理解并掌握核心语法结构：used t + 动词原形（过去常常作某事）和have/has + 过去分词（现在完成时）的用法（学习理解）。
能区分 一般过去时与现在完成时的不同语境与含义，理解它们的差异并在描述 “变化” 主题中的正确使用。(应用实践)。
能创造性地运用本课语法，对 “交通发展与生活改善” 形成辩证的价值理解，并用英语表达对家乡发展的自豪感。(迁移创新)。
通过本节课的学习，学生能够：
I knw I used t _______I knw I used t _______Yu say I used t ______I say I used t _______Yu tell me time ________changed meThat's fine _______ a gd runI knw I used t ________That's cause I used t _________
Listen and cmplete the lyrics.
I knw I used t be crazyI knw I used t be funYu say I used t be wildI say I used t be yungYu tell me time has dne changed meThat's fine I've had a gd runI knw I used t be crazyThat's cause I used t be yung
Present Perfect
Key pints in the lyrics.
Presentatin
Read the sentences and circle the verbs. Pay attentin t the verb tenses.
此处 表“到现在为止”
Simple Past Tense
Present Perfect Tense
很久,相当于“fr a lng time”
Simple Past Tense一般现在时
Present Perfect Tense现在完成时
一般过去时表示过去某个时间或某一段时间内发生的动作或存在的状态。
①表示过去发生或已经完成的动作对现在造成的影响或结果。②表示某一动作或状态从过去某一时间开始一直持续到现在，并有可能持续下去。
I went t the z last week.上周我去了动物园。My father bught that watch ten years ag.我爸爸l0年前买了那块手表。 He has already finished his hmewrk.他已经完成了家庭作业。 I have never seen the film befre.我以前从没看过这部影片。
一般过去时通常与yesterday、last week、tw years ag、just nw、in 2022等具体的表示过去的时间状语连用。
现在完成时通常与already、never、many times、s far、till nw、recently、these days等表示频度或一段时间的状语连用。
Simple Past Tense 一般现在时
主语+was/were+其他.
主语+was/were+nt+其他.
Was/Were+主语+其他?
Yes,人代+was/were.N,人代+was/were+nt.
特殊疑问词+was/were+主语+其他?
主语+did+V原+其他.
主语+did+nt+V原+其他.
Did+主语+V原+其他?
Yes,人代+did.N,人代+did+nt.
特殊疑问词+did+主语+V原+其他?
句型结构：He used t like cffee,but nw he likes juice.主语+used t+d sth.He didn’t used t like cffee.主语+didn’t used t+d sth.Did+he+ use t like cffee?Did+主语+ use t +d sth?Yes, he did. N, he didin’t.Yes, 人代+ did. N, 人代+ didin’t.
基本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。
标志词used t...,but nw,强调 “今昔对比”
主语+have/has+V过去分词+其他.
主语+was/were+nt+V过去分词+其他.
Have/Has+主语+V过去分词+其他?
Yes,人代+have/has. N,人代+have/has+nt.
特殊疑问词+have/has+主语+V过去分词+其他?
练习：用括号内所给内容的适当形式填空。1.Have yu ever_________( try) Chinese fd utside f China?2.He__________( prefer) cuntry music t pp music when he was film_________( be) successful with the public since it________( cme) ut.4. Tny ___________( have) the bike fr tw years. His father __________( buy) it fr his ninth birthday.5. My sister ___________( nt see) her friend fr mnths. She__________(miss) her s much and wants t call her.
hasn’t seen
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
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.
There are sectins with bks abut science and Chinese culture, as well as a huge sectin with children’s bks. (P5-4b)馆内设有科学与中国文化类书籍专区，以及一个庞大的儿童读物专区。
as well as 除……之外，也，还
【辨】 as well as与as well
It’s a gd time fr yu t be with each ther as well as having the enjyable fd. 这是你们品尝美味佳肴和相聚的好时光。Reading mre bks can imprve ur English as well.多读书也能提升我们的英语水平。
as well as连接两个并列成分作主语时，谓语动词应与其前面的主语保持人称和数的一致。 Tny as well as his friends is frm England.托尼还有他的朋友们都来自英格兰。
have taken
has built
have imprved
make it + adj. + t d sth.使做某事…
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).
因此as a result f...因为,由于
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.
Wh Made the Changes Pssible?
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.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）
I visited my grandma last week.。
We used t live in a small flat.
They have built a new hspital.
主语 + have / has + dne
He gets up early in the mrning.
1.He used t play ftball after schl.（变为一般疑问句）____ he ____ t play ftball after schl?2.They used t live in Lndn.（变为否定句）They ____ ____ t live in used t walk t schl every mrning.（对画线部分提问）What ____ she ____ t ____ every mrning?4.Tm used t get up at 6:00.（对画线部分提问）____ ____ Tm ____ t get up?5.My mther used t ck Chinese fd.（变为反义疑问句）My mther used t ck Chinese fd, ____ ____?6.Linda was afraid f the dark.（变为反义疑问句）Linda was afraid f the dark, ________ ______?
Did use
wasn’t she
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
Must d:1. 将本课所学内容汇总成一幅思维导图。Chse t d:2. 用一般过去时和现在完成时写几句句子，描述家乡近几年发生的变化，以及这些变化给你的生活带来的影响。