初中人教版（2024）Grammar Focus公开课课件ppt

这是一份初中人教版（2024）Grammar Focus公开课课件ppt，共16页。PPT课件主要包含了done，be动词等内容，欢迎下载使用。
Presentatin
了解青藏铁路（天路）工程成就，认识我国高原基建、生态保护、区域经济发展成果，增强民族自豪感。
学会归纳语法规则，自主区分主动 / 被动语态借助文本、图片提取信息，完成语篇填空任务小组合作核对答案、互相纠错
对比主动、被动语态差异，梳理时态被动变化逻辑；结合冻土、野生动物通道素材辩证思考工程建设与生态保护的平衡。
1.学习重点被动语态核心结构：be + 过去分词 (dne)四大常用时态被动句式：一般现在：am/is/are + dne一般过去：was/were + dne一般将来：will be + dne情态动词：can/must/shuld + be + dne主动语态变被动语态步骤2.学习难点根据时态、主语单复数正确变换be 动词形式被动语态在真实语篇（青藏铁路短文）中的综合运用
telephne /ˈtelɪfəʊn/ n. 电话suppse /səˈpəʊz/ v. 认为；推断wheel /wiːl/ n. 车轮；轮子frzen /ˈfrəʊzn/ adj. 冻硬的；冰封的eastern /ˈiːstən/ adj. 东部的；向东的layer /ˈleɪə(r)/ n. 层；表层melt /melt/ v. （使）融化；逐渐消失pipe /paɪp/ n. 管道；管子；烟斗 turism /ˈtʊərɪzəm/ n. 旅游业ecnmic /ˌiːkəˈnɒmɪk/ adj. 经济的；经济学的gain /ɡeɪn/ v. 获得；取得
Let’s learn Passive Vice tgether!
Read the sentences. Circle the verbs in the passive vice.
A mini-camera is cnnected t the frnt f the glasses.
The il and salt are als added by the machine itself.
Tys, chairs, tables, and even huses can all be made by the 3D printer.
A radi message was sent acrss the Atlantic Ocean fr the first time in 1901.
1.被动语态的含义：主语被……，承受动作。2. 基本结构：be + 过去分词 (dne)3.常用时态被动结构• 一般现在时：am / is / are + dne• 一般过去时：was / were + dne• 一般将来时：will be + dne• 情态动词被动：情态动词 (must / can / shuld) + be + dne
Many peple speak English. (主动语态)English is spken by many peple.(被动语态)
1.在主动语态中，句子的______是动作的 ________.2.在被动语态中，句子的______是动作的 ______，
Passive Vice
be动词 + 动词的过去分词
The car is made in China.Knives are used fr cutting things.The clthes were washed by my mther.
1. The classrm is cleaned every day.2. These bks are sld in this bkstre.3. My bike is repaired by my father.
一、不同时态下的被动语态
1. 一般现在时am / is / are + 动词过去分词
1. The windw was brken by Tm yesterday.2. The letter was written last night.3. A new schl was built in ur twn last year.
was / were + 动词过去分词
will be + 动词过去分词
1. The wrk will be finished tmrrw. 2. A party will be held next week.3. The prblem will be slved sn. 
被动语态的基本构成：
主语+be+过去分词+(by+宾语).
被动语态由“Be动词+动词的过去分词”构成，人称、数和时态的变化是通过_________的变化表现出来的。
主动语态变被动语态： 口诀：
主变宾，宾变主，谓语be后过分词，然后再加介词by。
1.划分句子成分，找宾语———确定动作的承受者，变为被动语态中的主语；
2.判断宾语的单复数———确定be的单复数；
3.判断动词的时态———确定be的时态；
4.修改谓语的形式———将原句动词变成对应的过去分词；
5.修改原句的主语———将原来的主语变为“by+宾语”。
1. The Olympic Games every fur years. A. are held B.were held C.are hlding D.will hld2. Tday Chinese __________ by mre and mre peple arund the wrld. A. was spken B. is spken C. spke D. speak
1. The ld bridge ______ (build) in letters ______ (send) t their wners huse ______ last mnth.A. paint B. painted C. was painted D. is painted
1. A new library ____________ in ur schl next year. A. builds B. will build C. will be built D. is built2. The prblem ____________ in the meeting tmrrw. A. discusses B. is discussed C. will discuss D. will be discussed3. Many trees _____________ in the muntains in the future. A. plant B. will plant C. are planted D. will be planted
Cmplete the sentences with the crrect frms f the verbs in brackets.
1. The telephne ___________ (invent) by Alexander Bell in 1876.
2. Peple all ver the wrld _____________ (cnnect) t each ther thrugh the internet.
3. The wrd “ rbt ” ______________(intrduce) fr the first time in a play in 1920.
was invented
are cnnected
was intrduced
4. It wasn’t suppsed t make such a lud nise when the buttn ____________ (press) t start the machine.
was pressed
5. It is believed that the wrld’s ldest wheel ____________ (find) in Eastern Eurpe.
Where is it?
The Qinghai-Xizang Railway.
Tday, we will learn abut it.
全长 1956 公里，分西宁 — 格尔木、格尔木 — 拉萨两段，2006 年 7 月 1 日全线通车；世界海拔最高、线路最长高原铁路，最高点唐古拉山口海拔 5072 米；攻克冻土、高寒缺氧、生态脆弱三大世界级难题，设置野生动物迁徙通道；通车 20 年累计运送旅客超 1 亿人次、货物超 1 亿吨，带动西藏经济、旅游，促进民族团结；新世纪四大工程之一，被誉为 “天路”，是中国基建标志性成就。
青藏铁路The Qinghai-Xizang Railway, als knwn as the "Sky Rad
Cmplete the passage with the crrect frms f the verbs in brackets. Make a prfile f the Qinghai-Xizang Railway.
The Qinghai-Xizang Railway was cmpleted in 2006. It ________ (cnnect) Xining t Lhasa, a huge distance f 1,956 kilmetres, and it is the highest railway in the wrld, reaching 5,072 metres abve sea level at Tanggula Pass.The building f the railway was a great challenge. Creative ideas ___________ (need) t slve different prblems. In summer, the tp layer f the frzen grund wuld melt and becme t sft t build n, s pipes _________ (use) t keep the grund hard. Hwever, in sme places, it was impssible t build the railway ver the frzen grund, s tunnels had t __________ (create) instead. In sme ther places, bridges ___________ (build) t keep the railway up abve the grund. These bridges are animal-friendly and ________ (allw) animals t pass under the tracks.As an imprtant and successful prject, the railway has ________ (increase) turism and ecnmic develpment in the area. The lessns learnt and experience gained frm building this railway will help ________ (imprve) transprt in ther similar places in the wrld.
were needed
1. New wrds: telephne, suppse, wheel, frzen, eastern, layer, melt, pipe, turism, ecnmic, gain 2. Expressins: all ver the wrld, be suppsed t d / be sth3. Sentences: ① It is believed that the wrld’s ldest wheel was fund in Eastern Eurpe. ② It was impssible t build the railway ver the frzen grund.
被动语态由“Be动词+动词的过去分词”构成，人称、数和时态的变化是通过_________的变化表现出来的。
02.Chse t d
用用被动语态结构（be+V-过去分词）写5个句子。
1. Memrize the new wrds and phrases.