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2020考研英语：例句中否定意义的介词(3)
on [ɑn] prep.向，朝……;关于;在……之上;在……时候
【例句】：What a pity! You’re really down on your luck.(太遗憾了，你的运气真是不佳!)
Don’t lie to me! I knew you were on the cross about what happened.(别对我说谎，我知道你对所发生的事情供述不老实。)
out [aʊt] prep.向;离去
【例句】：Out of sight, out of mind.(眼不见，心不烦。)
The design of the building is quite out of fashion.(这幢建筑的设计相当不时髦。)
The unique book is out of print.(该孤本不再印发)
The serious old man is quite out of humor.(这个严肃的老人一点儿也不幽默)
Don’t wandering on the wrong planet. Rest was now out of the question.(别想入非非了，现在休息是不可能的。)
To ask $5000 for such a small house like that is out of all reason.(这样小的一间房子要价5000美元简直是无理取闹!)
To be honest, I’ve had no exercise for ages;I’m really out of condition.(说实话，我已经有好几年没锻炼过了，我现在健康状况不好。)
It’s hard to see how prices could spiral out of control while labour costs remain so subdued.(在劳动力成本保持如此稳定的同时，物价上涨到失去控制的程度几乎是不可能的。)
Stars in the bright night are out of count.(晴朗的夜空中星星不计其数。)
The regulations were out of date and confusing.(那些规定已经不合时宜，而且令人费解。
I know I am out of line sometimes.(我知道我有时候过分了点儿。)
Those who arrive on foot, however, are out of luck.(但那些步行而来的顾客就没这么幸运了。)
Nothing in this peaceful suburb was out of place.(这个平静的郊区没有什么异常的情况。)
Freedom of navigation in the South China Sea is out of question.(南海的航行自由也没有任何问题。)
It is out of time to give a comment here.(在这儿说这种话有点不合时宜。)
2020考研英语：例句中否定意义的介词(2)
from [frʌm] prep.来自，从;由于;今后
【例 句】：The child can’t walk, far from running.(更不用谈)
So far from taking my advice, he did just against.(不仅没有)
She kept herself from laughing.(使某人不)
I knew he did it from his teeth.(毫无诚意)
in [ɪn] prep.按照(表示方式);从事于;在……之内
【例 句】：I don’t know what he intends to do; I’m in the dark about his plans.(不知道)
The people lifted the big stone in a breeze.(毫不费力)
We all decide to start our journey in all weathers.(风雨无阻)
With the card, you can enter this building in the clear.(不受妨碍)
Her schemes are usually up in the clouds. (不切实际)
This great plan is still in the egg.(尚未成熟)
At the sight he laughed in spite of himself.(不由自主地)
The girl wanted to marry the poor man in spite of her parent’ teeth.(不顾)
off [ɔf] prep.离开;脱落
【例 句】：Keep off the grass.(不靠近)
I am right off love stories for some reason.(不感兴趣)
He is off smoking now.(不再吸烟)
She was off duty yesterday.(不值班)
You have got what is on the off chance for others.(不会有机会)
She felt a bit off color, but she’s much better now.(精神不好)
The initial phase of the flu is steep, taking health experts off guard.(猝不及防)
I’m talking off hand, simply speaking my mind.(无准备)
The sold company is off his hand now.(不再由某人负责)
The failing marriage is over and off her mind.(不再挂念)
It is a little off time of speaking that in the wedding.(不合时宜)
He catches cold and is off work today.(没上班)
2020考研英语：介词的重要用法
句一：Nuclear weapons pose a threat to everyone. 句二：The mountain terrain poses particular problems for civil engineers. 这两句话中 pose后面接to和for有什么区别吗?名词成分能决定后面的介词吗?总结：这里的to和for取决于名词threat和problem的常用法。介词是一种虚词，不能单独作句子成分，只能用在一个名词、代词(或相当于名词的其他词类、短语或从句)之前，可以与后面的词一起构成介词短语，去做成分。
To主要有介词和动词不定式符号两种用法，介词后接名词或者动名词;动词不定式是to do。To do是非谓语动词，大家不是很明白的可以进行学习。关于of的用法，有同学问在句子中pursue a progressive agenda of curbing inequality and promoting justice.里面的a progressive agenda of curbing inequality and promoting justice.是同位语结构吗，另外关于of 的一些用法有哪些?该处是同位语结构，对agenda的解释说明，of作为此用法是常见的，另外关于A of B的用法: 1. 如果A是表示‘量’的单位词，就是A 修饰 B。例如：a group of people“一群人”。2. 如果A 与 B是一种部分与整体的关系，或从属关系，就是B 修饰A 。例如：the industry of China“中国的工业”。关于for有同学提问: won best lead actress for a drama 这句话的for是表原因吗?His supporters note that he won state funding for universal nursery school然后这句的for是表目的吗，for还有其他什么用法吗?第一个表示原因，第二个表示目的。for还可以表作为、当作--for lunch;
表原因--thank you for...; 表动作的对象或接受者--for sb.; 表时间--for an hour; 表支持--be for等等。
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