(共30张PPT)
M7U2 句型复习
Main tasks of this lesson:
◎ To revise some important sentence patterns of M7U2
◎ To consolidate what we’ve learnt by practice
知识梳理
If you open up any 1.medicine (medical) cupboard or go to any medicine counter in the world, it is 2.likely (like) that you will find aspirin and penicillin.
Aspirin 3.was invented (invent) in 1897. The first trials of this medicine took place in 1899. In 1900, aspirin was sold in shops 4.in the form of tablets. Not only has aspirin proved vital for reducing fever and 5.helping (help) stop pain, but there are also other things that aspirin can help with. In 1977 a study 6.carried (carry) out in the USA showed that aspirin could prevent strokes.
Part 1课文语法填空
Another drug that has helped increase 7.the standard of people’s health is penicillin. It was discovered by a Scottish scientist named Alexander Fleming in 1928. In 1940, two other scientists managed 8.to make (make) and test the new drug in large quantities. Due 9.to the widespread use of penicillin, many lives were saved during World War Ⅱ. Penicillin became the greatest drug of the 20th century, 10.saving (save) millions of lives.
It was in 1897 that a European chemist called Dr Felix
Hoffmann produced aspirin from this chemical. (P18 L12)
Part 2单元重点句型回顾
[句子分析]
(1) It is/was +被强调部分+that...本句为强调句型,本句中被强调部分是时间状语in 1897。
当被强调的部分是人时,that可用 who代替。
e.g. It was he ___________met an old friend in the park yesterday.
昨天,那是他在公园遇见了老朋友。
that/who
(2) 拓展:含有not ...until 的强调句句型
句型为It is/ was not until + 被强调部分 + that + 剩余部分
e.g. He didn’t go to bed until his wife came back.
改成强调句:_____________________________________
改成倒装句:_____________________________________
It was not until his wife came back that he went to bed.
Not until his wife came back did he go to bed.
2.Not only has aspirin proved vital for reducing fever and helping stop pain, but there are also other things that aspirin can help with. (P18 L18)
(1) not only ...but also ...“不但…而且…”,not only位于句首引导句子时,该句要用___________,而but also引导的句子__________。
e.g.Not only__________________ their writing ability in this way, but they can __________________.
同学们不仅可以用这种方式提高他们的写作能力,而且还能够增强自信心。
部分倒装
can students improve
不倒装
strengthen their self-confidence
(2)拓展:要使用部分倒装的几种情况:
①否定副词never, little, hardly, not only, few, not, seldom等放
句首的句子中,采用部分倒装。
e.g. Little did he say at the meeting.
②以 only、not until+状语从句、状语开头的句子中,主句
部分倒装。
e.g. Only in this way can we learn English well.
③以so, nor, neither开头的句子中,so/neither/nor+助动词+主语,
so用于肯定句,表示“也一样”;nor, neither用于否定句,表
示“也不这样”。
e.g. I am watching TV. So is she.
My parents didn’t watch TV last night. Neither (Nor) did I.
④在以so/such….that 的句型放在句首时,句子部分倒装。
e.g. So angry was he that he could say nothing.
⑤由as/though表示“尽管,虽然”引导的从句中,要部分倒
装,把表语等提前(形容词/ 副词/ 名词/ 动词 + as + 主语 + 谓语)
e.g. Young/ Child as he is, he seems to know everything.
(child前不加冠词) 尽管他年纪小
Hard as he worked, he made little progress. 尽管他已经努力了
Try as he might, he failed at last. 尽管他可能尝试了
3. If penicillin had not been available, many people would have
died from sickness or even small wounds. (P18 L51)
[句子分析] 该句使用了虚拟语气,是对__________的虚拟。
在“主句+if条件句”的虚拟语气中,主句和从句的谓语动
词有特殊规定,详见下表:
过去
虚拟 If引导的从句中
动词的形式 主句中动词的形式
对过去的虚拟 had done would/could/should/might
have done
对现在的虚拟 did / were would/could/should/might do
对将来的虚拟 ①did/ were
②should do
③were to do would/could/should/might do
练一练:
①如果你之前好好努力,就不会犯这么多错误了。
If you_____________ hard, you __________ (not make) so
many mistakes.
②如果明天下雨,比赛将会被推迟。
If it________ /___________/___________ tomorrow, the
match_____________ (postpone).
③如果我是你,我会好好学习。
If I _________ you, I __________ hard.
had worked
wouldn’t have made
were to rain
rained
should rain
would be postponed
were
would study/work
4.Since it was abnormal for mould to be in that lab dish,
something must have gone wrong.
[句子分析] 本句中属于“情态动词+have done”结构,must have done意为“一定做过某事”,表示对过去情况的肯定推测。
(1)“情态动词+have done”结构表示对过去的事情进行推测,
常用结构有:
must have done 一定做过某事
may/might have done 可能做过某事
can’t/couldn’t have done 不可能做过某事
练一练:
①The ground isn’t wet. It ___________________ (rain) last night.
地面没湿,昨晚不可能下过雨。
②The book isn’t where it was. Someone_____________________
(move) it.
这本书没在它原来的位置。一定有人动过它。
③I can’t find my purse. I __________________ (leave) it in the
supermarket yesterday.
我找不到我的钱包了,也许昨天我把它落在超市了。
couldn’t have rained
must have moved
might have left
(2) 情态动词还常用于虚拟语气中,表示“本...而事实上相反”;
should have done/ought to have done本应该做但未做
shouldn’t have done/ought not to have done本不应该做但做了
need have done 本需要做某事但没做
needn’t have done本不需要做但做了
could have done本能够做但没做
练一练:
①You ____________________/_____________________ such
words to your parents.
你本不应该和你父母说那样的话。
②I ____________________here on time, but my car broke down.
我本能够准时到达这里的,但是我的车子坏了。
③You ____________________so quickly since time was enough.
你本不需要走那么快的,应该时间足够了。
shouldn’t have said
ought not to have said
could have arrived
needn’t have walked
5. Today acupuncture has become popular round the world, as
have other traditional Chinese medicines. 如今针刺疗法在全
世界已非常流行,其他传统中医疗法也是如此。(P31L48)
[句子分析]“as have other ...”是一个倒装的从句,
as have other traditional Chinese medicines
= other traditional Chinese medicines have become popular too
(1)as +助动词+主语,表示.“……也一样”,
与so+助动词+ 主语 ...用法相似。
①Lucy is a hard?working student, __________/_________Lily.
露茜是个勤奋的学生,莉莉也一样。
②I go to the English corner every day, __________/_________
most of my classmates.
我每天都去英语角,我的大部分同学也这样。
as is
and so is
as do
and so do
课堂巩固训练
Ⅰ.完成句子
1.每个孩子都是独一无二的,老师们应该鼓励每个孩子发挥
出他们的潜能。
Each child is unique and teachers should encourage each one to
_____________________________ .
2.这个主意听起来不错,但是我们需要在实践中检验它。
The idea sounds great, but we need to_______________________ .
3.许多下岗工人已向政府申请新建的公寓。
Many laid-?off workers _____________________________ the
newly?-built apartments.
realize their potential
try it out in practice
have applied to the government for
4.在过去的几年间,我不仅在身体上成长了,而且心智也成
熟了。
____________________________, but also mentally in the
past few years.
5. 如果新的安全系统被使用了,这次事故就不会发生了。
If the new safety system ______________________, the
accident ________________________.
6. 我同意你努力去挣一些钱,可是请不要误了功课。
I ______________________earn some money, but please don’t
neglect your studies.
Not only have I grown physically
had been used
wouldn’t have happened
approve of your trying to
7.会上你提到的这家公司是我朋友所拥有的。
The company you referred to at the conference is
________________________.
8. 蒸汽发动机被用来拉动车厢,由于有烟和噪音,对乘客来
说那肯定相当令人不愉快的。
Steam engines were used to pull the carriages and it
________________________ for the passengers, with all the
smoke and noise.
9. 直到他脱下太阳镜,我才认出他。(强调句)
It was __________________________his sunglasses
____________________him.
in the possession of my friend/in my friend’s possession.
must have been fairly unpleasant
not until he took off
that I recognized
10. 杰克已经坚守岗位几十年了,杰瑞也一样。
Jack has stuck to his post for a few decades, _________________ Jerry.
11.由于他吸毒上瘾,常常是向父母要钱时才给他们打电话。
_____________________, he seldom calls his parents except when he asks them for money.
12.汤姆不同意“人之初,性本善”这种看法。
Tom _____________________ that people are basically good.
as has/ and so has
Addicted to drugs
doesn’t subscribe to the belief
Ⅱ.单句语法填空
1.—Thanks. I know how to handle this problem with your directions.
—But do remember that this rule cannot be applied __________ every case.
2.Witches are said __________ magical powers to communicate with gods
who are in __________ of everything on the earth.(possess)
3.In China masses_____ graduates go abroad to have a further study every year.
4.—Why does Tom look so tired?
—It is nothing surprising. With so much noise, he could not__________ (sleep)
well on the train last night.
5.As our product is coming out soon, we're thinking about ways to have it
________ (try) out in Paris or New York market.
to
to possess
possession
of
have slept
tried
6.To my ___________, he was a little __________ at the news that he had won the first prize in the English speech contest, for he thought that he didn’t perform so well. (astonish)
7.It’s just three months since we received official __________(approve) to
go ahead with the project.
8.It is vital that every piece of equipment ________________ (check) before
the experiment.
9. Please fill in the __________form before __________ for the job.(apply)
10.We’d better take measures _______________ (accelerate) the rate of
economic growth.
astonishment
astonished
approval
(should) be checked
application
applying
to accelerate
11. Seeing a snake approaching, the lady let _____ a shout of panic.
12. To our amazement, the skier’s red clothes stood out clearly ________ the snow.
13. As life itself tells us, _____________(trap) in a repetitive life is not the proper way to live it.
14. At school some students are active ________ some are shy, yet they can be good friends.
15. It is a common practice ________ we throw away the remaining food into dustbin after dinner.
out
against
being trapped
while
that
against 映衬,反对,靠着
动名词做主语,doing/being done
Ⅲ.选词填空
1.What should I do if I want to ___________a new market?
2.You have to buy them _______________directly from the
factories.
3.The walls ______________old glass bottles that are glued
together.
4._______________this is the most remarkable wonder drug
in the world.
carry out, due to, die from, in large quantities, try out, it’s likely that, open up, be made from
open up
in large quantities
are made from
It’s likely that
5.Once a plan is made, it should _____________no matter how
difficult it is.
6.He got the lowest score in the class mainly ____________his
carelessness.
7.The company is __________a new way to improve the quality
of the product, but they are not sure if it will succeed.
8.The young man ___________the serious traffic accident.
be carried out
due to
trying out
died from
Have a revision of what we’ve learnt today.