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

这是一份人教版（2024）九年级上册（2024）Grammar Focus教学ppt课件，共28页。PPT课件主要包含了学习目标，Contents，Lead in，Practice，Production，Summary，Exercises，Homework等内容，欢迎下载使用。
Can yu guess what inventins they are?
It was invented by Martin Cper.
The mbile phne
They can be used t make many things.
3D printers
It was invented in the 1890s.
It was invented by the Wright brthers.
被动语态Passive vice
Presentatin
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.
be +动词的过去分词
Passive vice
主语是动作的执行者Alexander Bell invented the telephne in 1876.亚历山大·贝尔在1876年发明了电话。
主语是动作的承受者The telephne was invented by Alexander Bell in 1876.电话是由亚历山大·贝尔在1876年发明的。
被动语态：be + 过去分词一般现在时的被动语态：am/is/are + dne一般过去时的被动语态：was/were + dne含有情态动词的被动语态：情态动词 + be + dne
动词过去式和过去分词的变化规则：
1.一般情况加-ed. lk--lked--lked play--played--played
2.以e结尾的动词，只加-d. live--lived--lived hpe--hped--hped
3.以重读闭音节结尾的动词，末尾只有一个辅音, 应双写这个辅音字母，再加-ed. stp--stpped--stpped plan--planned--planned
4.以辅音字母加y 结尾的动词，变y为i,再加-ed. study--studied--studied carry--carried--carried
5.不规则变化（见不规则动词表）
主动语态如何变被动语态:
Alexander Bell invented the telephne in 1876.
The telephne was invented by Alexander Bell in 1876.
Cmplete the sentences with the crrect frms f the verbs in brackets.
1.The telephne______________(invent) by Alexander Bell in all ver the wrld_____________（cnnect) t each ther thrugh the internet.3. The wrd “rbt"_____________(intrduce) fr the first time in a playin wasn't suppsed t make such alud nise when the buttn_________(press) t start the is believed that the wrld's ldest wheel____________(find)in Eastern Eurpe.
was invented
are cnnected
was intrduced
was pressed
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 keepthe railway up abve the grund.These bridges are animal-friendly and _________(allw) animals t pass under the tracks.
Cmplete the passage with the crrect frms f the verbs in brackets. Make a prfile f the Qinghai-Xizang Railway.
were needed
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.
Language Pints
Language pints
suppse /səˈpəʊz/ v. 认为；推断；料想
重要短语：be suppsed t d sth 应当做某事
动词suppse，意为“认为、料想”，表达委婉猜测 例句：I suppse he is right. 我认为他是对的。核心固定搭配 be suppsed t d sth，意为“应该、理应做某事”，等同于shuld d 否定形式：be nt suppsed t d sth 不应该/禁止做某事 例句：Yu are nt suppsed t run in the hallway. 你不可以在走廊奔跑。。
1. We ____________ (suppse) t respect ur teachers.2. Yu are nt __________ (suppse) t speak ludly in the library.3. I _______ (suppse) he will arrive n time.
are suppsed
frzen /ˈfrəʊzn/ adj. 冻硬的；冰封的；冷冻的
动词原形：freeze /friːz/ v. (使)结冰；(使)冻住 过去式：frze 过去分词：frzen
The frzen grund is hard in winter. 冻土在冬天十分坚硬。We buy frzen vegetables in the supermarket.我们在超市买冷冻蔬菜。
1. The __________ (freeze) river can’t be crssed.2. Cld weather can _________ (freeze) the water.3. The lake ___________ (freeze) last winter.
turism /ˈtʊərɪzəm/ n. 旅游业；观光业（不可数名词）
---tur n. 旅行；游览 --- turist n. 游客，旅行者
Qinghai’s turism develps quickly. 青海的旅游业发展迅速。The railway helps the lcal turism. 这条铁路带动了当地旅游业。Many turists travel t Xizang by the Qinghai-Xizang Railway. 许多游客通过青藏铁路去西藏旅游。
1. The city’s __________ (tur) brings lts f jbs.2. Many __________ (tur) cme t Lhasa every year.3. I will take a ___________ (tur) f Eurpe this summer.
telephne /ˈtelɪfəʊn/ n. 电话suppse /səˈpəʊz/ v. 认为；推断wheel /wiːl/ n. 车轮；轮eastern /ˈiːstən/ adj. 东方layer /ˈleɪə(r)/ n. 层；表frzen /ˈfrəʊzn/ adj. 冰冻的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
be suppsed t d / be sth应当做（某事）或是（某物）be cnnected t 与……连接be made by 由……制造all ver the wrld 世界各地；全世界thrugh the internet 通过互联网fr the first time 第一次；首次It is believed that 人们认为；据信Eastern Eurpe 东欧abve sea level 海拔以上frzen grund 冻土tp layer 表层pass under the tracks 从轨道下方通过
【含有被动语态的句子】The telephne is cnnected t the netwrk.The il and salt are added by the machine.The telephne was invented by Alexander Bell in 1876.The wrd “rbt” was intrduced in a play in 1920.A radi message was sent acrss the Atlantic Ocean in 1901.Tys can be made by the 3D printer.Tunnels had t be created.Bridges had t be built.
This kind f machine __________ (use) fr cutting vegetables in mst restaurants.The first smartphne __________ (sell) in 1994.These rads __________ (build) t cnnect the small villages t the city.The windw __________ (break) by the strng wind last night.All the tickets must __________ (buy) nline befre yu enter the museum.The bridge __________ (cmplete) in 2010 and it is still in gd cnditin.T much water __________ (waste) every day in this city.
用所给词的适当形式填空。
was cmpleted
The radi ______ by Marcni in the 1890s. A. develps B. develped C. was develped D. is develped2. This kind f fd must ______ in a cl place. A. keep B. kept C. be kept D. keeping3. It is believed that the stry ______ abut 200 years ag. A. write B. wrte C. is written D. was written4. — The grund is t sft t build n. — Yes, sme special pipes ______ t keep it hard. A. use B. used C. are used D. were used
完成本课重点单词的背诵与默写，并完成被动语态（一般现在时、一般过去时、情态动词被动）的单项填空和动词形式填空练习。
从本课 Grammar Fcus 4a 的例句和 4c 的短文中，找出所有被动语态的句子，按“一般现在时被动”“一般过去时被动”“情态动词被动”三类分别抄写至少2个例句，并总结每种时态被动语态的结构规律。
选择一项中国的重要工程或发明（如青藏铁路、高铁、中国空间站等），用英文写一段60–80词的简介，说明其建造时间、用途及意义，其中至少使用3种不同时态的被动语态句子。