高中外研版 (2019)Unit 4 A glimpse of the future多媒体教学课件ppt

这是一份高中外研版 (2019)Unit 4 A glimpse of the future多媒体教学课件ppt，共18页。
教学材料：外研版高中英语新教材选择性必修第三册教学内容：Unit 4 A glimpse f the future第三课时：Using language 执教人：陈茵茵/ 深圳市罗湖区罗湖外语学校
Unit 4A glimpse f the future
P3 Using language
Subject-verb agreement
1.表示时间、距离、重量、体积、价格等的复数名词作主语,谓语动词用单数。I think $500 is a large sum f mney fr him.Ten kilmetres is a lng distance fr him t get there n ft.2.分数或百分数作主语,谓语动词根据分数或百分数所指代的名词而定。Tw thirds f his incme has been spent n bks.Frty percent f the ppulatin in that cuntry are still in pverty.
3.“a number f+复数名词”作主语,谓语动词用复数;“the number f+复数名词”作主语,谓语动词用单数。A number f new prducts have been successfully prduced.The number f peple ding fitness training is n the increase.4.a large quantity f与large quantities f修饰名词作主语时,谓语动词根据quantity的单复数形式而定。A large quantity f trees has been planted n either side f the rad.Large quantities f trees have been planted n either side f the rad.
5.从句、不定式或动名词作主语时,谓语动词通常用单数。When the meeting will be held has nt been decided yet.Reading in the sun des harm t ur eyes.
6.主语是what引导的从句,谓语动词的形式根据主语从句表示的意义而定。What we want is medical equipment.What we want are experienced dctrs.
7.定语从句中,关系代词作主语时,谓语动词的形式与先行词保持一致。Mr Smith, wh is nw dwnstairs , is asking t see yu.The Smiths , wh are nw dwnstairs , are asking t see yu.
8.谓语动词的人称和数常常与最近作主语的词语保持一致.常出现在这类句子中的连词有：r , ,,nt als...,等连接。 Neither the students nr the teacher knws the reasn why she behaved strangely.He r we are ging t be sent t study abrad .Nt nly Jim but als his parents are fnd f watching ftball games.9.当主语后跟with, tgether with , alng with, as well as, but , rather than；except, besides, including等连结的词组时,其谓语动词的单复数跟主语保持一致。 My father as well as his wrkmates has been t Beijing.  Nbdy but tw students is in the classrm.
1. A library with five thusand bks _____ ffered t the natin as a gift.
2. The teacher, alng with her students, ___ ging t attend the lecture.
3. All but ne ______ (has) arrived here.
4. N ne except tw students _____ late fr class yesterday.
10. "ne f+复数名词+ 定语从句"结构中，定语从句的谓语动词要用复数；"the nly ne f +复数名词+定语从句"的结构中，定语从句的谓语动词要用单数. He is ne f the students wh get there n time. He is the nly ne f the students wh gets there n time. 11. many a/mre than ne+单数可数名词作主语,谓语动词用单数。 Many a student has been sent t plant trees. Mre than ne student has ever been t Beijing.
Cmplete the passage by chsing the singular r plural frm.
Nwadays, sme cmpanies ffer genetic testing fr children’s talents. A large number f clients / has been attracted t it. They are parents, eager t knw what talents their children may have in the future. The prcess is simple. Every child prvide / a small sample f bld r bdy tissue. / These are analysed. Each f the children / are given a reprt shwing their pssible talents. A recent example cited n the website is that ne f the testing cmpanies cmpare / the talents f twins Bbby and Benny. Bbby was assessed and his talents was / revealed t be mstly scientific: a 66% chance f success in chemistry and 54% in physics was / shwn. Meanwhile, Benny’s highest scre / shwn t be in an arts subject: the test gave him 68% fr literary studies. Is genetic testing reliable? Sme scientists say that mre evidence / are needed.
1.What they prvided him 　　　　　(be)a car. 2.Many a student 　　　　　(be) selected t take part in the English cmpetitin , and mre than ne teacher 　　　　　(have) cached them n speaking and writing. 3.Nbdy but three students 　　　　　(be) in the labratry at that time. 
4.The teacher, with 6 girls and 8 bys f her class,　　　　　(visit) a museum when the earthquake struck. 5.Tw fifths f the land in that district 　　　　　(be) cvered with trees and grass. 6.With mre frests being destryed , huge quantities f gd earth 　　　　　________________(wash) away each year. 7.He is the nly ne f the students wh　　　　　 (be) a winner f schlarship fr three years. 
was visiting
are being washed
Cmplete the descriptin accrding t the charts, paying attentin t subject-verb agreement.
Three quarters f the surface is made up f land, while the rest is sea, cvering 25% f the surface.
Three quarters f the surface is made up f land, …
Half f the land is cvered with trees. Residential area and arable land bth accunt fr the same prprtin, 20% f the ttal land. The rest is desert, cvering 10% f the ttal land.
There are three kinds f peple. Fifty per cent f the peple are riginal residents, 30% are frm Earth and 20% are frm ther planets.
be made up f 由…组成 be cvered with 被…覆盖cver 占 accunt fr 占
而其余的是海，占了25%的表面
一半的土地被树覆盖。居住区域和耕地占了相同的比例，总量的20%。其他的地是沙漠，占了总量的10%
有三种人。一半是原住民，30%是地球人，20%是从其他星球来的
The wrld f tmrrw
Time travel culd result in a paradx – an event that cntradicts itself. Fr example, if a persn travelled back in time and prevented an event, that event wuld never have happened; there wuld therefre be n reasn fr the persn t travel back in time t prevent it.
Did Yu Knw?
Listen t the cnversatin and chse its main idea.1 Time travel is dangerus.2 Talking t peple in the past can change the future.4 Time travel within yur wn lifetime shuld be avided.
3 Anything yu say r d in the past can affect the future.
RULE 1 1______________________________ • A turist wants t 2_____________________________________________ because3____________________________________. • The guide tld her4________________.
RULE 2 5____________________________________• The guide said that 6_____________________________________________ ________________________.
RULE7___________________________________________________• A turist want t8____________________________________________.• The guide tld him nt t because 9 _________________________________ ______________________________________________.
Listen again and cmplete the table.
Dn’t talk t anybdy.
tell her 8-year-ld self t buy shares in cmpanies that are prfitable tday
she wants t becme rich
nt t d that
Be careful nt t break anything.
breaking smething culd als cause a paradx and change yur path thrugh life
Never give anything frm ur time t smene in the past.
give a present t his father
anything that desn’t belng t that time might have an impact n smene and cause a paradx