外研版 (2019)选择性必修 第三册Unit 4 A glimpse of the future授课课件ppt

这是一份外研版 (2019)选择性必修 第三册Unit 4 A glimpse of the future授课课件ppt，共22页。PPT课件主要包含了● 向前看齐，◆考点训练，are，isare，has，have等内容，欢迎下载使用。
本单元重要语法 主谓一致
a. It used t feel like 50 percent f my time was spent researching newrestaurants.（教材 P38） b. Every recmmendatin she gives me is great since she can predict ifI will like a particular restaurant. (教材 P38）c. As it is, almst 50 percent f US jbs are at risk frm autmatin inthe next 20 years. (教材 P39)d. The truth is that nne f us is prepared fr the challenges f AI. (教材 P27)e. A large number f clients have been attracted t it. (教材 P 41)f. Sme scientists say that mre evidence is needed. (教材 P41)g. His wife, Carlyn, was cllecting her cereal frm the breakfast rbt.(教材 P 47)
a. We shuld prtect ur envirnment. b. He always washes his clthes himself. c. They all bught themselves umbrellas.
●呼应一致:句子成分之间或词语之间在人称，性别 和数保持一致，请观察以下句子
●主谓一致:指谓语动词与主语必须在人称和数上保持一致,即主语是复数,谓语也用复数形式,例如 are , were, have等；主语是单数,谓语要用单数形式，如：is , was , has , wrks等
◆ 语法一致原则：即句子主语是复数时，谓语动词必须用复数；主语是单数时, 谓语动词必须用复数, 请观察以下句子
●谓语动词为单数的情况
a. We are all diligent students.b. She has just finished her hmewrk.c. It is time fr us t g t wrk.d. These bks are beneficial t the children.
※ 由 and 接并列成分指同一概念或匹配出现，请观察以下句子
a. The wrker and writer is frm Wuhan. (比较：The wrker and the writer are frm Beijing.)b. Bread and butter is a daily fd in the West. (刀叉，马车，盐水)
※ Every … and (every)… ; each …and (each… ) ; n …and (n)… ; manya …and (many a)…连接两个单数名词作主语, 请观察以下句子
a. Each f the students has a bk. b. Everyne is ready fr the exam.
a. Every desk and every chair is made f wd. b. Many a by and girl has made the same mistake.
※ ne/every ne /each/either/ the number + f +复数名词作主语,请观察以下句子
※ clthing, furniture, traffic, jewellery, baggage, equipment, luggage 等总称名词作主语,请观察以下句子
a. Clthing is badly needed in this flded area. b. His jewellery was lst at the party ten years ag.
※ 以 s 结尾的词表示学科、国家、机构、书籍、报刊等名称作主语, 请观察以下句子
a. Physics is difficult t study.b. The United States is a superpwer . c. “The New Yrk Times” is published every day .
※ 表示时间、距离、金钱、等复数名词作主语,表达一个整体概 念时, 请观察以下句子
a. Twenty years has passed since he left his hmetwn.b. Ten thusand dllars is a large sum f mney.c. 60 tns f water is enugh.
※由 any-, sme-, n-和 -ne, -thing,-bdy等不定代词作主语,请观察以下句子
a. There is smething wrng with the machine.b. Everything is perfect nw.
※ 非谓语动词、名词性从句作主语, 请观察以下句子
※单数名词、抽象名词、物质名词作主语，请观察以下句子
a. Cllecting stamps is what he likes. b. T see is t believe.(= Seeing is believing.) 眼见为实c. What he did was praised.
a. The by is the tp student in the class.b. Paper is made frm wd.c. The water in the river is running fast and fluently.
●谓语动词为复数的情况
※ 由 and 连接的两个并列成分表示两个不同的概念, 请观察以下句子
a. Bth bread and butter are sld ut.b. Mary and Tm are all the wrkers in this factry.c. Time and mney are imprtant fr every ne.
※ peple , plice, cattle 等有生命的集体名词作主语, 请观察以下句子
a. The plice are lking fr the missing child.b. All the peple in the village are planting trees n the muntain.c. The cattle are eating grass n the grassland.
※ gds, manners, stairs, arms 等名词作主语, 请观察以下句子
a. All the gds in the super market were sld ut yesterday.b. Gd manners are imprtant in every cuntry.c. Stairs are t be designed fr the children and the ld.
※由山脉、群岛、瀑布、运动会等 s结尾的专有名词作主语, 请观察以下句子
a. The Olympic Games are held nce every fur years.b. The Huang Gu Shu falls are very beautiful.
※ a number f /quantities f /a grup f + 名词作主语，但 a large quantity f + n. 做主语时谓语动词用单数，请观察以下句子
a. A large number f students are interested in these activities.b. Quantities f water are plluted in the river.c. A grup f sldiers are advancing tward the frnt.
●谓语动词单、复数视情况而定
※ 集体名词 class, family, team, club, enemy, crwd, crew, audience, public , gvernment, grup等作主语。强调整体用单数，强调成员用复数，请观察以下句子
a. His family is a great ne. b. His family are music lvers. c. Class ne is a small class in the schl.d. Class ne are having English lessn.
※ means, wrks, pains等词, 根据主语表达的概念而定, 请观察以下句子
a. The steel wrks is near the statin. b. Tw new steel wrks are being built.
※ all, nne, sme, any 等不定代词作主语，根据其指代的内容而定,请观察以下句子
a. All are present . b. All the fd tastes gd.
※ “half / mst / enugh / part / the rest / the last / lts / plenty / 分数、百分数 + f + 名词”作主语: 谓语动词和 f 之后的名词单复数保持一致，请观察以下句子
a. Half f the milk ges bad.b. Mst f paper is perfectly made in the paper factry.c. 65 percent f the students are frm the cuntryside.d. One third f the villagers are taking an physical examinatin.e. Tw fifths f water is plluted in the cuntry.
●由 …r… ; either …r…; neither…nr…;nt nly…but als… , nt …but…连接两个主语时，谓语动词一般与最近的主语保持一致，请观察以下句子
a. Nt nly he but als I am invited. b. Neither my glves nr my hat ges with the dress.
● there be 句型接并列主语谓语动词常和靠近的名词单复数保持一致, 请观察以下句子
a. There is a pen and three bks n the desk.b. There are tw schlbags and a pencil n the table.
1. Yu r he _____ t blame．_____ yu r he t blame? A. is; Is B. are; Are C. is; Are D. are; Is2. Nt nly I but als Jane and Mary ___ tired f ne examinatin afteranther. A. is B. are C. am D. be
3. A library with five thusand bks ______ t the natin as a gift.A. is ffered B. has ffered C. are ffered D. have ffered4.When and where t build the new factry _______ yet. A. is nt decided B. are nt decided C. has nt decided D. have nt decided 5.The number f peple invited _________ fifty, but a number f them_____ absent fr different reasns. A. were; was B. was; was C. was; were D. were; were6.E-mail, as well as telephnes, ______ an imprtant part in daily life. is playing B. have played C. are playing D. play7.__ f the land in that district ___ cvered with trees and grass.A. Tw fifth; is B. Tw fifth; are C. Tw fifths; is D. Tw fifths; are
8.One r tw days ____ enugh t see the city． A. is B. are C. am D. be9.Neither my wife nr I myself ______ able t persuade my daughter tchange her mind．A. is B. are C. am D. be10.Nt nly the teacher, but the students ________ lking frward tseeing the film．A. is B. are C. am D. be
● “the +adj.”
※ 若表示一类人或事物作主语，如 ld , rich , yung , pr , deaf , blind , dead , wunded , 谓语动词用复数, 请观察下面句子The ld are taken gd care f in China .
※ 若表示某个具体的人或事物，谓语动词用单数，请观察下面句子The unknwn is t be studied .
● One and a half + 复数名词作主语谓语常用单数，请观察以下句子
One and a half apples is left n the table.
● Many a + 单数名词作主语谓语动词用单数，请观察下面句子
Mre than ne teacher in ur schl has been t Beijing .
●定语从句中的 ne f + n 要视具体情况而定,请观察以下句子
a. He is the (nly/very)ne f the bys wh is ften late. b. He is ne f the bys wh are late fr class.
● clthes , scissrs (剪刀）,trusers , scks , glasses , shes , glves作 主语时分两种情况
※ 直接做主语时，用复数，请观察下面句子
My shes are n the flr.
※ 有 a pair f 修饰时,谓语根据 pair的数量来定, 请观察下面句子
a. A pair f shes is n the flr. b. Pairs f shes are n the flr.
●谓语应该跟主语一致还是跟表语一致? 请观察下面句子
We Chinese _______ a hard-wrking peple．A. is B. are C. is being D. are being
此题应选 B. 我们通常说的是主谓一致而不是表谓一致.本题意为：我们中国人是一个勤劳的民族
a. These tw dictinaries are a present fr my best friend Jim.b. The planets were the bject f his study.c. The mst imprtant thing I need is bks.
● 有些情况下，be的单复数动词要根据后面的表语来确定,请观察以下句子
a. Wh is yur brther？谁是你的兄弟？b. Wh are yur brthers？哪些是你的兄弟？c. Such is the fact.d. Such are the facts.
●主语从句作主语谓语一般用单数形式,请观察以下句子
a. What he said is quite crrect.他所说的完全正确。b. Where she lives is still unknwn nw.
但是，有时也要根据后面的表语来确定，请观察下面句子
What he left me are nly a few ld bks.
※ “with / alng with / tgether with / including / but / except / like / as well as / besides / rather than +名词”置于主语后，谓语动词一般仍和前面的名词在单复数上保持一致, 请观察以下句子
a. Tm tgether with his mther has cme here.b. Kbe as well as Jrdan has becme a superstar in NBA.
1.Nbdy but Betty and Mary ______ late fr class yesterday.A. was B. were C. has been D. have been2.A wman with sme children _________ sn．A. is cming B. are cming C. has cme D. have cme3.N ne except my parents _________ anything abut this.A. knw B. knws C. is knwn D. are knwn4.The teacher as well as the students _____ the bk already.A. has read B. have read C. are reading D. is reading5.All but ne __________ in the accident．A. was killed B. were killedC. will be killed D. are killed
1. Fish/sheep/deer ___________ friends f human beings.2. Every means _________ been tried t rescue the hstage.3. Tw thirds f the ppulatin _________ farmers. 4. 70﹪ f the surface f the earth ______ cvered by sea. 5. Nne/neither f the students __________ frm China. 6. Neither/either daughter __________ cme t celebrate his birthday. 7. They each _____________ a dictinary. 8. Each f them ____________ a dictinary. 9. This kind f bks __________ nt wrth reading. 10. There _________ many kinds f peple in ur life.11. Wmen f this kind ______ dangerus.12. There ____ a large quantity f peple in the street. 13. Large quantities f water _______ been plluted.