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Unit Eight1.If only I had been more careful,要是我再仔细一点该多好。If only常用于虚拟语气中,并省略主句,表示一种未能实现的愿望。又如: If he only knew how we miss him.但愿他知道我们多么想念他! If only the letter had arrived in time.信要是及时到该多好!2.…Iet us not forget that we must persevere.……让我们不要忘记我们必须坚持不懈。 相似文献
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一、一般现在时1.在表示时间、条件的状语从句中,用一般现在时表示将来的概念。例如: A senior officer said,All the solders will have to rescues all the survivors,as soon as they arrive in fhe disaster areas.一位高级军官说,全体战士一到达灾区,必须立刻开始营救所有的幸存者。If all the people do their best,Beichuan, one of the worst-hit areas in the May 12 相似文献
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《中学数学教学参考》2007,(24)
1 If the circumference of a circle is y,what isthe area of the circle in terms of y?若圆的周长为 y,请用 y 表示该圆的面积.Solution:y~2/4π.Since the circumference y=2πr we can solve tofind that r=y/2π.We know the area of the circle is 相似文献
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虚拟语气表示与事实不符的一种愿望、假设、猜测或主观愿望,所假设的情况一般不存在或实现的可能性很小,通常是通过句中谓语动词的特殊形式来表示的。虚拟语气通常用if引导,所以又称非真实条件句。如果表示对现在情况的假设,从句中的谓语动词要用动词的过去式,主句的谓语动词要用should/would/could/might 动词原形。例如:If I had a watch,I could tell you the time.如果我有手表,我就能告诉你时间了。If I knew the answer,I would tell you.如果我知道答案的话,我就会告诉你。—What would you do if you had a mil-lion dollars?如果你有一百万美元,你会干什么?—I would give it to charity.我会把它捐赠给慈善机构。If I had time,I would go to the cinemawith you.如果我有时间,我就会和你一起去看电影。如果从句中的谓语动词是be,不管主语为第一、第二或第三人称的单数或复数,be动词一般都用were,而不用was。例如:If... 相似文献
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虚拟语气的使用可以体现在状语从句、名词性从句及定语从句等诸多从句中，其中在状语从句使用中应注意以下几个方面：1.在表示与将来事实相反或可能相反的虚拟条件从句中，从句部分如使用were to＋动词原形→动词的过去式→should＋动词原形的话，句子的语意逐渐接近于真实含义。──If you were to fail to catch the train you might take the bus.(It means you won's fail to catch the train,and you won's take the bus either.)──If you dropped the glass,it would break.(Maybe you won's drop the glass,and it won't break e… 相似文献
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《海外英语》2004,(3):18-19
If a son strike his father,they shall cut off hisfingers. If a man destroy the eye of another man,they shall destroy his eye. If one break a man's bone,they shall break hisbone. If one destroy the eye of a freeman of break thebone of a freeman,he shall pay one mina or silver, If one destroy the eye of a man's slave of breada bone of a man's slave he shall pay one-half hisprice.-The Code of Hammurabi,lines 195-199汉谟拉比法典 相似文献
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尹若甫 《南通职业大学学报》1997,(1)
在if引导的条件句中,如果所假设的情况是可能发生的,则为if真实条件句.这种条件句中谓语动词时态的不同变化,有其特定的含义.if从句中用现在时或现在完成时,表示某事具有发生的可能性.这类例句俯拾即是.If he has time,he will come.(如果有时间他是会来的.)If you haven’t finished your composition,you can hand it in tomorrow(假如你作交还没做完,你可以明天交.)If从句中用Should,表示某事发生的可能性不大.如:If anyone should call,please let me know.(万一有人来访,试通知我.)通常说if引出的主从复合句若是表示将来时的时候,if从句中用一般现在(或过去)式,主句中用将来式.因此,if从句中用will时,并非指将来,而是客套语Willyou,please的一部分或表示一种现在的意图、意愿、决心等.并且也不乏例证.If you will wait for a moment (=please wait for a moment and)I’llgo and tell the manager that you are here。(请等一下,我去告诉经理你已经来了。)If you will give up smoking,your health will improve。 (只要你肯戒烟,你的健康就会好转.)在科技英语中,我们经常看到if的主从复合句中无论从句或主句都是现在式,这和主句用将来式不只是形式上的差别,更有其意义上的不同.从句和主句都用 相似文献
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王兴华 《黑龙江教育学院学报》1999,(1)
<正> 在我们的英语学习中,往往会碰到一些结构类似的句子,初看似乎区别不大,可是经过仔细推敲,就会发现它们之间有种种不同之处,有的甚至表示完全相反的意义。从多年的教学工作中,我一直试图通过辨析一些常见的类似句来帮助我的学员了解,认识英语中类似句的异同,加深对英语语法的理解并掌握某些单词和词组的运用。 一、句子中的谓语动词用不同的时态表示,就会有不同的意义,由于有些时态形式上差别甚微。容易使学生忽略,看下面几个例子。 A)The wother sard her son was seeing the doetor in the afternoon. B)The wother sasd her.son was to see the doeter in the afternoon. A)母亲说她儿子打算下午去看病(was seemg表示意图,打算。说明她儿子有下午去看病的打算。 B)母亲说儿子已约好下午去看病。(was to see表示安排约定。说明这件事是早已安排好的。) A);If you teld a lie.It Was wery fdosh of you. B)If you teld a lie.It woud be uery foous of you. A)如果你说了谎,那真是太愚蠢了。(teld及was都是陈述语气的过去式,暗指也许你已经说了谎。也许你已承认说了谎。是 相似文献
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1.不管你看不看见月亮,它总是圆的。【误】If you can see the moon or not,it is always round.【正】Whether you can see the 1110013.or not, it is always round.【析】whether可以引导一个让步状语从句,表示“不管”;if不能引导这类从句。 相似文献
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倪伟杰 《英语大王(小学)》2003,(11)
If I were a lovely bird, English would be my wings. A bird can't fly without wings. If I were a fish, English would be the water. A fish can't live without water. If I were a flower, English would be the sun. A flower can't come out without sunshine. 相似文献
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廖少华 《英语大王(小学)》2005,(10)
If I am a worker,I can do things with my hands.If I am a traveler ,I can go around the world.If I am a policeman,I 相似文献
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People in different parts of the world have very different ideas about what is goodto eat.If you were an Eskimo near the North Pole,you would enjoy the raw meatfrom seals.If you were a nomad in the desert,you would prefer the roasted meat ofsheep and goats.Americans cook the meat of many different animals,but perhaps 相似文献
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《Reading and Writing(初中版)》2007,(Z2)
Are you a football fan?If so,I'm sure you won't forget the night of Oct.7th,2001.If not, I'd like to share the most exciting moment with you. 相似文献
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Rose Lea Wirth 《中学生英语》2006,(10)
If you listen,if you listen,to the Song that April sings,You can hear the muted murmur of a million growing things: Hear an angel’s Iilting laughter float throughsun-drenched April skies,Or the low splash of a tea rdrop from an angel’s tear-bright eyes.If you listen,Like a drumming in the darkness of the earth’slong winter night,You can hear the grasses push on their way to meetthe light.If you listen.in the treetops.you can hear a whir of wings,As a robin builds his castle;to the topmo… 相似文献
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If you go into the forest with friends, stay with them. If you don‘ t, you may get lost. If you get lost, this is what you should do. 相似文献
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《Reading and Writing(高中版)》2006,(6)
1British public libraries are link by computers.If your nearestLibrary in London doesn’t have the book you want to borrow,A librarian will try to see whether any of otherNearby libraries has.If no library in London has the book inStore,the librarian will… 相似文献
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If a man in a spaceship looked down at the earth from many mileshigh above the island of Tahiti(南太平洋中的塔希提岛),he would seemainly water.He might think that the earth was a very very large oceanwith little land. If,however,he looked down at the earth from a position above Eu- 相似文献