unit21 grammar---mixed conditional(福建省泉州市)

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名称 unit21 grammar---mixed conditional(福建省泉州市)
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科目 英语
更新时间 2008-04-26 23:11:00

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课件22张PPT。Revision It is now common for athletes to __________
at the Olympic Games. This is mainly due to improved _________, better________ and a healthy diet.
However, in recent years, some athletes have been breaking records with the help of _____________ even though this can damage their _________.
Unfortunately, although athletes are tested for illegal drugs, it can be very ________ to catch those who are cheating.break recordsequipmenttrainingillegal drugshealthdifficult To make matters worse, gene-therapy ( a way to build muscle and increase strength by changing _____________ ) is now being used by some athletes to help them to ________.
With sport under threat from these cheats, more ____________________ must be found to protect the _____________ and to ensure that those who win medals are true winners and true heroes.people’s genescheateffective measuresOlympic spiritGrammarTranslate the following sentences into Chinese.
Many contemporary amateur athletes would have
broken world records if they had taken part in the first Olympic Games.
假如许多当代业余选手参加了第一届奥运会的话,他们很有可能打破世界记录。
2. Ben Johnson would still be the 100 meters world record holder if he had not been caught taking drugs in the 1988 Olympics.
本约翰逊如果在1988年的奥运会上没被查出服用兴奋剂的话,今天他可能还是百米世界记录的保持者。3. If current Olympic champion, Marion Jones, took such drugs, she would probably have broken that world record more than once.
假设本届奥林匹克冠军美国女飞人里昂琼斯服用过兴奋剂的话,她很可能多次打破了世界记录。
4. If gene-therapy were used now, it would be almost possible to find out.
如果使用了基因疗法,它几乎不可能被发现。5. If a generation of sports stars with enhanced genes were created, it would contradict the whole spirit of sport.
如果一代有强化基因的运动明星被造出,这将有悖于整个运动精神。
Do they describe situations that are :
true or could possibly happen?
imaginary, unreal or contrary to facts?
All the sentences above are called conditional sentences, consisting of Third Conditional and mixed conditional.
Let’s review the Third Conditional together.从句主句If+ S. + 一般过去时S.+ should/ would/ could/ might + 动词原形与现在事实相反与过去事实相反与将来事实相反If + S. + 过去完成时If + S.+ should/ were to + 动词原形S. + should/ could/ would/ might +现在完成时(have+ 动词过去分词)S. + should/ would/ could/ might+ 动词原形Now look at the mixed conditionals.
从句主句If + S. + 过去完成时(与过去事实相反)If + S. + 一般过去时(与现在事实相反)S. + would +动词原形(与现在事实相反)S. + would + 现在完成时(与过去事实相反)1. If he had broken the record, he would be famous now.
He didn’t break the record so he isn’t famous now.2. If they hadn’t invited me to the party, I wouldn’t be here.
They invited me to the party so I am here.
3. If he were a more skillful player, he would have scored more points.
He isn’t a skillful player so he didn’t score points.4. If she didn’t speak a few languages, she wouldn’t have got that job.
She speaks a few languages so she got that job.Now do exercises on P80 in the text book.If you had gone to a doctor, you _____ all right now.
are B. were C. would have been D. would be
2. It is hard to imagine what I would be doing today if I ____ in love, at the age of seven, with the Melida Lox Library, in my hometown.
A. wouldn’t have fallen B. had not fallen
C. should fall D. were to fall3. I was very busy yesterday, otherwise I ______ to the meeting.
A. came B. would come
C. had come D. would have come
4. If I ____ with her last summer, I ___ on very well with her now.
worked; am getting
had worked; would get
had worked; would have got
had worked; will get5. If it _____ yesterday, we could play football on the sports ground now.
didn’t snow B. hasn’t snowed
C. hadn’t snowed D. weren’t snowingLanguage pointsPlease find out the following phrases.take part (in)
track and field
year after year
due to
slow down
break a record
come across
in the wrong hands
be known as由于
(偶然)遇到
用在错误的方面/ 错误地
打破记录
参加
作为…而被知/众所周知
田径运动
年复一年
减慢10. remain doubtful
11. in vain
12. at random
13. all the time
14. one step behind
15. at all costs
16. treat…as
17. beyond one’s limit
随意地
无论如何/ 不管多大代价
徒然
仍然让人怀疑
把……当成
落后一步
一直
超出了某人的范围Some important wordsabuse vt. 滥用,虐待(Para.3)
eg. abuse one’s authority
滥用职权
a much abused wife
一个备受虐待的妻子
n. 滥用,虐待(abuse of sth.)
eg. drug abuse child abuse
滥用麻醉药品 虐待儿童
an abuse of trust
辜负别人的信任2. tolerate vt. 容忍,容许 (Para.4)
toleration n. 容忍 tolerant adj. 宽容的
tolerable adj. 可容忍的
eg. I can’t tolerate your behaviour.
tolerate (one’s) doing sth. 容忍/容许做某事
eg. I can’t tolerate his telling lies.
3. catch sb. doing sth. (Para.4)
当场抓住某人正在做某事
eg. He was caught stealing money in the supermarket.4. doubtful (Para.4) adj. 怀疑的,不肯定的
doubt n. & v. 怀疑
be doubtful about sth/ doing sth 不能确定
eg. I am doubtful about going there.
I am doubtful about whether to go or not.
5. seek v.(Para.5) (sought, sought) 寻找
seek for sth 寻找某物
seek after sth (尤用于被动态)寻找某物
seek to do sth. 试图做某事
seek sb/ sth out 找到某人/ 某事6. oppose (Para.7) vt. 反对
opposed adj. 反对的;相对的
oppose doing sth 反对做某事
oppose oneself to do sth 反对某事
be opposed to sth/ to doing sth.反对,与……相反
eg. His parents didn’t oppose marrying Mary.
She is opposed to religious education at school.
7. violate (Para.8) vt. 违背;违反 violation n.
eg. These findings appear to violate the laws of physics.
这些发现似乎违背了物理原理。