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2020考研英語：例句中否定意義的介詞(3)
on [ɑn] prep.向，朝……;關(guān)于;在……之上;在……時候
【例句】：What a pity! You’re really down on your luck.(太遺憾了，你的運氣真是不佳!)
Don’t lie to me! I knew you were on the cross about what happened.(別對我說謊，我知道你對所發(fā)生的事情供述不老實。)
out [a?t] prep.向;離去
【例句】：Out of sight, out of mind.(眼不見，心不煩。)
The design of the building is quite out of fashion.(這幢建筑的設(shè)計相當(dāng)不時髦。)
The unique book is out of print.(該孤本不再印發(fā))
The serious old man is quite out of humor.(這個嚴(yán)肅的老人一點兒也不幽默)
Don’t wandering on the wrong planet. Rest was now out of the question.(別想入非非了，現(xiàn)在休息是不可能的。)
To ask $5000 for such a small house like that is out of all reason.(這樣小的一間房子要價5000美元簡直是無理取鬧!)
To be honest, I’ve had no exercise for ages;I’m really out of condition.(說實話，我已經(jīng)有好幾年沒鍛煉過了，我現(xiàn)在健康狀況不好。)
It’s hard to see how prices could spiral out of control while labour costs remain so subdued.(在勞動力成本保持如此穩(wěn)定的同時，物價上漲到失去控制的程度幾乎是不可能的。)
Stars in the bright night are out of count.(晴朗的夜空中星星不計其數(shù)。)
The regulations were out of date and confusing.(那些規(guī)定已經(jīng)不合時宜，而且令人費解。
I know I am out of line sometimes.(我知道我有時候過分了點兒。)
Those who arrive on foot, however, are out of luck.(但那些步行而來的顧客就沒這么幸運了。)
Nothing in this peaceful suburb was out of place.(這個平靜的郊區(qū)沒有什么異常的情況。)
Freedom of navigation in the South China Sea is out of question.(南海的航行自由也沒有任何問題。)
It is out of time to give a comment here.(在這兒說這種話有點不合時宜。)
2020考研英語：例句中否定意義的介詞(2)
from [fr?m] prep.來自，從;由于;今后
【例 句】：The child can’t walk, far from running.(更不用談)
So far from taking my advice, he did just against.(不僅沒有)
She kept herself from laughing.(使某人不)
I knew he did it from his teeth.(毫無誠意)
in [?n] prep.按照(表示方式);從事于;在……之內(nèi)
【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.(毫不費力)
We all decide to start our journey in all weathers.(風(fēng)雨無阻)
With the card, you can enter this building in the clear.(不受妨礙)
Her schemes are usually up in the clouds. (不切實際)
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.(不顧)
off [?f] prep.離開;脫落
【例 句】：Keep off the grass.(不靠近)
I am right off love stories for some reason.(不感興趣)
He is off smoking now.(不再吸煙)
She was off duty yesterday.(不值班)
You have got what is on the off chance for others.(不會有機會)
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.(無準(zhǔn)備)
The sold company is off his hand now.(不再由某人負(fù)責(zé))
The failing marriage is over and off her mind.(不再掛念)
It is a little off time of speaking that in the wedding.(不合時宜)
He catches cold and is off work today.(沒上班)
2020考研英語：介詞的重要用法
句一：Nuclear weapons pose a threat to everyone. 句二：The mountain terrain poses particular problems for civil engineers. 這兩句話中 pose后面接to和for有什么區(qū)別嗎?名詞成分能決定后面的介詞嗎?總結(jié)：這里的to和for取決于名詞threat和problem的常用法。介詞是一種虛詞，不能單獨作句子成分，只能用在一個名詞、代詞(或相當(dāng)于名詞的其他詞類、短語或從句)之前，可以與后面的詞一起構(gòu)成介詞短語，去做成分。
To主要有介詞和動詞不定式符號兩種用法，介詞后接名詞或者動名詞;動詞不定式是to do。To do是非謂語動詞，大家不是很明白的可以進行學(xué)習(xí)。關(guān)于of的用法，有同學(xué)問在句子中pursue a progressive agenda of curbing inequality and promoting justice.里面的a progressive agenda of curbing inequality and promoting justice.是同位語結(jié)構(gòu)嗎，另外關(guān)于of 的一些用法有哪些?該處是同位語結(jié)構(gòu)，對agenda的解釋說明，of作為此用法是常見的，另外關(guān)于A of B的用法: 1. 如果A是表示‘量’的單位詞，就是A 修飾 B。例如：a group of people“一群人”。2. 如果A 與 B是一種部分與整體的關(guān)系，或從屬關(guān)系，就是B 修飾A 。例如：the industry of China“中國的工業(yè)”。關(guān)于for有同學(xué)提問: won best lead actress for a drama 這句話的for是表原因嗎?His supporters note that he won state funding for universal nursery school然后這句的for是表目的嗎，for還有其他什么用法嗎?第一個表示原因，第二個表示目的。for還可以表作為、當(dāng)作--for lunch;
表原因--thank you for...; 表動作的對象或接受者--for sb.; 表時間--for an hour; 表支持--be for等等。