Unit 1 Section A 单元语法讲练 2027学年九年级英语上册同步精品课件（新教材人教版）

这是一份人教版（2024）九年级上册（2024）3a-3d备课课件ppt，共44页。PPT课件主要包含了past time，Now，Summary等内容，欢迎下载使用。
Learning Objectives
Language Ability
Use key wrds and sentence patterns t talk abut hmetwn changes freely; use simple past and present perfect tenses crrectly.
Cmpare past and present life t develp bservatin, analysis and lgical thinking skills well.
Thinking Quality
Learning Ability
Get key inf frm texts, practice in grups and imprve ur English learning skills actively.
Cultural Awareness
Learn abut hmetwn changes, feel scial prgress and build ur lve fr the beautiful hmetwn.
The life f peple in Guizhu has changed a lt!
the simple past tense
Why d yu think s？
一般过去时：结构：主语+动词过去式+过去时间
时间标志词：ag，yesterday, last year…
What tense are they？
the present perfect tense
现在完成时：结构：主语+have/has+过去分词
时间标志词： fr+一段时间，since+时间点, already，yet…
Task 2: Read the sentences and circle the verbs. Pay attentin t the verb tenses.
一般过去时simple past tense
现在完成时present perfect tense
Task 3: The definatin f these tw tenses.
present(nw)
Hw t distinguish the simple past tense and the present perfect tense？
一般过去时（过去式）现在完成时（have/has+过去分词）
ag, yesterday, last...
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.
used t,but nw,强调 “今昔对比”
过去的某种经常性、习惯性的动作或行为.
He used t like cffee.
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）
fr ages, just, since, already, yet,nw等
过去发生的动作，对现在造成影响 / 结果；从过去持续到现在的动作 / 状态
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）
simple past tense一般过去时
I used t wrk in a big city.
He was sick last week.
When I was a child, I ften rde my bike t schl.
主语 + was/were + 其他.
主语 + v过去式 + 其他
present perfect tense现在完成时
①过去动作对现在的影响
②从过去持续到现在的状态或动作
We have just built a new hspital.
They haven't seen fr ages.
We built a new hspital.
We dn’t travel far t a hspital.
主语 + have/has been + adj.
主语 + have/has dne + 其他
用于描述过去的行为或事件，常用于讲故事、叙述或谈论过去的经历。
Task 4: Knw the differences between these tw tenses.
Exercise：Tell the different tenses in these sentences.
①I went t see the mvie yesterday. 昨天我去看了那部电影。②I have seen the mvie already. 我已经看过那部电影了。
➡️仅说明昨天去看了电影这件事，和现在无关;
➡️说明看电影这个动作发生在过去，说话人现已对电影内容有所了解。
1.He ____________ ____________ ___________ yesterday.（他昨天买了一本书。）​2.I ___________ __________ __________ in 2005.（2005 年我住在北京。）​3.He ___________ ___________ ___________ Beijing.（他去了北京。） ​→暗含他现在不在说话地点4.I __________ ___________ ___________Beijing fr ten years.（我在北京住了十年了。）​5. ____________ ___________ ___________ twenty minutes ag.（二十分钟前雨停了。）​6. ___________ ___________ __________ fr an hur.（雨已经下了一小时了。） →暗含现在可能还在下。
bught a bk
lived in Beijing
has gne t
have lived in
The rain stpped
It has rained
✍️【即学即练】补全句子。
初中阶段是奠定英语能力的关键期，科学研究显示，完成语法练习能有效优化学习策略。科学研究显示，跟读新闻广播能有效培养自学能力。进阶策略，多感官参与能提升记忆效果。克服学习障碍，制作单词记忆卡能有效建立正反馈。培养语言能力，翻译歌词能有效增强动机。另一方面，多感官参与能提升记忆效果。掌握核心要点，制作思维导图能有效建立知识体系。坚持科学训练语言素养自然会逐步提升。
含有yesterday的词组 the day after yesterday, yesterday mrning / afternn / eveninglast+时间 last year / mnth / week / night...时间段+ag three days +过去时间 in 1930s, in the early days...其他nce upn the time, when sb was...
Task 5: Learn sme time markers f tenses.
表“影响” (不确定过去时间) already，yet，ever，just等（already：多用于肯定句，可放句中/句末；yet：多用于否定句、疑问句，只放句末；just：强调“刚刚完成”，放have/has之后）表“持续” (从过去到现在的时间段) since＋过去时间点，fr＋时间段，recently，in the past 5 years
present perfect tense 现在完成时
Chse the crrect tense t cmplete each sentence.
I _________ (saw / have seen) the mvie last week.She _________ (lived / has lived) here since 2015.They ____________ (haven't finished/ didn't finish) their wrk yet.My father _________ (bught / has bught) a new car yesterday.We ____________ (knew / have knwn) each ther fr ver ten years.The ld library ____________ (clsed / has clsed) dwn last mnth.He ____________ (finished / has finished) his hmewrk. He can g ut nw.I _______________ (have never been / never went) t Beijing befre.They ____________ (mved / have mved) t this neighbrhd in 2018.She ____________ (didn’t call / hasn't called) me since last Tuesday.
haven't finished
has finished
have never been
hasn't called
Each sentence has ONE mistake. Find it and crrect it.
He has bught a new phne yesterday.I have seen her three days ag.She didn't finish her prject already.They have lived in this city since five years.I have went t the new museum last Sunday.My sister is a teacher since 2018.We didn't see each ther fr a lng time.
haven't seen
hasn't finished
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…
In the past
dirt tracks
high bridges
highways, railways, and wide rads
Why are lcal peple richer and happier than befre?
Greatly imprved transprtatin
Shrter travel time
Better lives and mre develped industry
What made the changes pssible?
Great changes happened in Guizhu make life better!
Guizhu is nw full f beautiful bridges and clurful ethnic cultures.
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 ...
现在完成时与一般过去时的对比
一、请写出下列动词的过去式和过去分词。
二、用括号内所给单词的适当形式填空。
11.（2025·扬州）Recently,mre and mre peple have _______（chse） t visit Yangzhu during hlidays.12.（2025·龙东地区）With the help f his classmates,he __________（success） in slving the prblems an hur 30 April,2025,there ______（be） three Chinese astrnauts wh returned t Earth __________（be） great changes in Jiangsu Prvince ver the past 30 years.
15.Bth Lily and Lucy ____________（visit） the Gansu Science and Technlgy Museum _____________（cnnect） mre remte（偏远的） areas with mdern bridges and rads.
have visited
has cnnected
三、根据汉语意思完成句子,每空一词。
17.我叔叔离开家乡已有好几年了。My uncle has _____ ______ ______ his hmetwn fr quite a few years.
18.她已经带领村民们走向了幸福之路。She has already ____ the villagers ___ the rad t happiness.
19.昨天我和弟弟吵架了,但今天和好了。I _______ _____ my brther yesterday,but we made up tday.
20.他把那本旧书扔掉了,因为他找到了电子书。He ______ the ld bk ______ because he fund a digital bk.
四、按要求完成句子,每空一词。
21.Our hmetwn used t have narrw and dirty streets.（改为一般疑问句）_____ yur hmetwn ____ ___ have narrw and dirty streets?
22.Jim expected t finish his hmewrk befre dinner.（改为否定句）Jim ______ _______ t finish his hmewrk befre dinner.
23.The factries have made great effrts t deal with pllutin.（对画线部分提问）______ _____ the factries ______ t deal with pllutin?
24.He brrwed a bk frm the library 3 days ag t prepare fr his exam.（同义句转换）He ____ _____ a bk frm the library fr 3 days t prepare fr his exam.
25.He jined the army five years ag.（改为现在完成时）He ____ _____ ___ the army since five years ag.
五、 用括号内所给单词的适当形式填空,使短文意思完整、通顺。
南京师大附中校本经典题#1
Dear Daniel, My family 26. _______（mve） t Liverpl tw years ag. It feels like we 27. ______（cme） here just yesterday. We 28. __________（live） in a small flat since we arrived,but Dad says we’re ging 29. _________（mve） t a new huse sn.
Dad has just 30. ______（g） t wrk. He’s an engineer. He 31. _______（travel） a lt in his jb. He 32. ______（g） t China last mnth. He 33. ________（bring） back many fantastic things!He 34. _________（be） t China three times s far. He says it’s really wrth a visit!Maybe I can 35. _____（visit） yur cuntry this summer hliday.Yurs,Tm#2.4
六、用方框中所给单词的适当形式填空。
36.We can use ur phnes t make _______ payment when kids played in the garden and gt _____ all ver their city will build a ______ bridge t slve the traffic prblem.
39.—Can I have ne f thse pens?—Of _______.Help yurself.
40.We walked slwly alng that narrw frest ______ in the quiet wds.
阅读下面的短文,从方框中选择5个恰当的词块填空,并将其正确形式写在相应的横线上。#1
Recently,a very simple sentence “Amazing,my mtherland!” has becme widely knwn in China.41. _____________,China has develped quickly these years. It has already becme ne f the mst imprtant cuntries in the wrld. Freigners 42. ____________________ the ancient Eastern cuntry. Helen is an exchange student. She has been in China since tw years ag. She has studied in a university in China 43. __________.Great changes have made her amazed.“I think finding jbs is easier in China than in my cuntry. I will wrk here 44. ___________I finish my studies,”
pay mre attentin t