人教版（2024）九年级上册（2024）Grammar Focus优质ppt课件

这是一份人教版（2024）九年级上册（2024）Grammar Focus优质ppt课件，共86页。PPT课件主要包含了学习目标，Summary，Exercises，Homework等内容，欢迎下载使用。
Grammar Awareness 语法感知
Cntrast Practice 对比操练
Text Applicatin 语篇运用
Cperative Wrk 合作巩固
Summary 总结提升
Language Pints 语法详解
Exercises 练习
Learning Aims
① 能准确识别并区分一般过去时和现在完成时的动词形式 became / have becme, used t / have cme back② 能根据时间标志词正确选择时态 ag, last year, in 2010 → Past | fr, since, already, just → Present Perfect③ 能在语篇中自然切换一般过去时和现在完成时 Past → Change → Present: 描述变化的过程和结果
Grammar Awareness
What tenses d we use t talk abut changes?
Simple Pastused t
PRESENTPERFECT
have/has + V-pp
Which sentences talk abut a past actin? Which talk abut a past habit? Which talk abut a result nw?
Grammar Fcus
4a Read the sentences and circle the verbs. Pay attentin t the verb tenses.
(1) He became a gd friend f yur grandfather abut 20 years ag.(2) They haven't seen each ther fr ages!(3) We used t have t travel far t see a dctr.(4) Our village has just built a new hspital.(5) Many peple used t wrk in big cities.(6) Nw, mre f them have cme back t live and wrk here.
Task: Circle each verb. Mark the tense: Past / Present Perfect / used t
Simple Past“abut 20 years ag” = past time
Present Perfect"fr ages" = duratin t nw
used t (past habit)“used t” = past habit, nt nw
Present Perfect"has just built" = result nw
Present Perfect"have cme back" = result nw
Grammar Summary Card 语法归纳卡
Simple Past一般过去时
Frm: V-ed / irregularSignal: ag, yesterday, last..., in + past yearExample: He became a gd friend f yur grandfather abut 20 years ag.
used t过去习惯/状态
Frm: used t + VSignal: used t, but nwExample: Peple used t wrk in big cities. (Nw they dn’t.)
Present Perfect现在完成时
Frm: have/has + V-ppSignal: fr, since, already, just, yet, ever, neverExample: Nw, mre f them have cme back t live and wrk here.
Cntrast Practice
“时态对决” 游戏规则
Hw t play:① The teacher shws a sentence with a blank.② Team A fills in with Simple Past; Team B fills in with Present Perfect.③ The first team t raise their hand and give the crrect answer + reasn scres!④ Bnus: Can yu als make a sentence with “used t”?Scring: Crrect answer + reasn = 2 pts Crrect answer nly = 1 pt
Fill in the blanks — Which tense is crrect?
She ______ (live) here ______ 2015.
✔ has lived ... since 2015
“since 2015” → Present Perfect
They ______ (build) a new bridge last year.
✔ built ... last year
“last year” → Simple Past
He ______ (nt finish) his hmewrk yet.
✔ hasn’t finished ... yet
“yet” → Present Perfect
Peple ______ (walk) t wrk befre the highway was built.
✔ used t walk
past habit, nt nw → used t
Practice 4b
4b Cmplete the cnversatin
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: 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.Tip: Think abut the cntext — is it abut a past event r a present result?
Think: Has she been there? (experience)vs Did she g? (past event)
will bring / am ging t bring
Text Applicatin
4c Transprtatin in Guizhu 贵州交通变化
What d yu knw abut Guizhu?• Guizhu is a muntainus prvince in suthwest China.• In the past, transprtatin was very difficult.• Peple had t walk n muntain paths fr hurs.• Many villages had n rads r bridges.Cmplete the passage with crrect verb frms. Why are lcal peple richer and happier than befre?
4c Cmplete the passage with crrect verb frms
In the past, it ____ (be) difficult t travel in Guizhu. In many places, there used t ____ (be) n bridges t crss the 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. A jurney that used t ____ (take) a day nw takes nly a few hurs. As a result, the lives f lcal peple ____ (imprve) greatly. They are much richer and happier than they nce ____ (be).
have imprved
Tense Switch Pattern in “Changes” Texts
Simple Past / used tDescribes what lifewas like befre.“It was difficult...”“Peple used t walk...”
CHANGE变化
Present PerfectDescribes the actinsthat brught change.“The gvernment has built...”“Great changes have taken...”
Present Perfect / PresentDescribes the resultswe can see nw.“Guizhu has becme...”“Peple n lnger need...”
“要想富，先修路” — Rads bring prsperity!
Cperative Wrk
“变化接龙” Change Chain — Grup Activity
Rules:• 4 students per grup. Take turns!• Each persn says ne sentence abut a change.• Yu MUST alternate: Past → Present Perfect → Past → ...• Tpic: Our schl / Our hmetwn / Our cuntryExample:S1: Our schl used t have nly ne building. (Past)S2: Nw it has built three new teaching buildings. (Pres. Perf.)S3: Students used t carry heavy textbks. (Past)S4: Nw many students have started using tablets. (Pres. Perf.)⏱ Each persn has 15 secnds. G!
Can yu spt the mistakes?
✗ He use t play ftball.
✔ He used t play ftball.
used t (nt “use t”)
✗ She has went t Beijing.
✔ She has gne t Beijing.
has + past participle
✗ They lived here since 2010.
✔ They have lived here since 2010.
since → Present Perfect
✗ The village have a new rad nw.
✔ The village has a new rad nw.
village = it → has
✗ He has became a teacher.
✔ He has becme a teacher.
becme-became-becme
Tenses fr Talking abut Changes
Changesin the Wrld
Simple Past
V-ed / irregularag, yesterday, became a teacher.
past habit, nt nwused t, but nwPeple used t walk.
Present Perfect
have/has + V-ppfr, since, already, justThey have cme back.
BIG Questin
What bringsabut changes?
学而时习之，不亦说乎！ — Practice makes perfect!
Quick Write
一分钟快写 One-Minute Quick Write
Challenge: Write as many sentences abut “changes” as yu can!Rules:• Yu have 60 secnds!• Use at least 3 different structures: Simple Past + used t + Present Perfect• Tpic: changes in yur schl, hmetwn, r lifeExample:My schl used t be small. Nw it has built new labs. Last year, we planted a garden.
⏱ 60 secnds!
Language Pints
Simple Past vs Present Perfect
Three Different “used t” Structures
used t d sth
过去常常做某事（现在不了）
She used t have curly hair.Peple used t walk fr hurs.• Only describes the PAST• Negative: didn’t use t• Questin: Did ... use t
be used t ding
She is used t getting up early.He was used t the cld weather.• Can be past/present/future• “be” changes with tense• Means “accustmed t”
be used t d
被用来做某事（被动语态）
The knife is used t cut fruit.Wd is used t make paper.• This is PASSIVE vice• “be” changes with tense• = be + used + t + V
Irregular Verbs 不规则动词表
Sentence Transfrmatin 句型转换
1. He used t play ftball. (变一般疑问句)______ he ______ t play ftball?2. They used t live in Lndn. (变否定句)They ______ ______ t live in Lndn.3. Tm used t get up at 6:00. (对画线部分提问)______ ______ Tm ______ t get up?
Multiple Chice 选择题
1. My grandfather ______ drink cffee every mrning, but nw he prefers tea.A. used t B. is used t C. gets used tAnswer: A2. He ______ be shy, but nw he enjys giving speeches, ______ he?A. used t; didn’t B. used t; desn’t C. is used t; isn’tAnswer: B3. — When did yu cme here? — Many years ag. I ______ here since I was five.A. have gne B. have been C. was D. amAnswer: B4. — Did yu play tennis yesterday? — N. We ______ vegetables in the garden.A. water B. have watered C. watered D. are ging t waterAnswer: C
Written & Oral Hmewrk
Written 书面作业
A层（必做）:Organize Grammar Fcus rules. Write 3 sentences fr each: Simple Past, Present Perfect, used t. Theme: changes.B层（选做）:Write an 80-wrd essay “Changes in Our Schl.” Use at least 2 tenses (Simple Past + Present Perfect). Describe 3 changes.C层（选做）:Chse a change in yur city (transprtatin, envirnment, educatin). Write a 100+ wrd reprt using the Past → Change → Nw structure.
① Recrd a 60-secnd audi abut a change in yur hmetwn/schl. Use bth tenses.② Review irregular verbs: becme, build, see, g, cme, write, read, eat, take.
Blackbard Design 板书设计
Simple Past 一般过去时
V-ed / was, wereag, yesterday, last...• He became a teacher 20 years ag.• Peple didn’t use t like reading.
used t 过去习惯
used t + V (base)past habit, nw changed• Peple used t walk fr hurs.• She used t have t see a dctr far away.
Present Perfect 现在完成时
have/has + V-ppfr, since, already, just, yet• The village has just built a library.• Guizhu has becme a turist destinatin.
used t + V = past habit have/has + V-pp = result nw Narrative: Past → Change → Nw
BIG Questin: What brings abut changes? 要想富，先修路