我想问一下On 的用法 在什么情况下是什么意思 下面两个句子里 On起什么作用 他为什么会是那个意思1.the students union held an interesting debate (on) capital punishment yesterday.2.they will have finished work (on)

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我想问一下On的用法在什么情况下是什么意思下面两个句子里On起什么作用他为什么会是那个意思1.thestudentsunionheldaninterestingdebate(on)capitalpun

我想问一下On 的用法 在什么情况下是什么意思 下面两个句子里 On起什么作用 他为什么会是那个意思1.the students union held an interesting debate (on) capital punishment yesterday.2.they will have finished work (on)
我想问一下On 的用法 在什么情况下是什么意思
下面两个句子里 On起什么作用 他为什么会是那个意思
1.the students union held an interesting debate (on) capital punishment yesterday.
2.they will have finished work (on) the new stadium
这两个On意思好象都不一样 我看到它们就是不能理解 所以我没办法记住.

我想问一下On 的用法 在什么情况下是什么意思 下面两个句子里 On起什么作用 他为什么会是那个意思1.the students union held an interesting debate (on) capital punishment yesterday.2.they will have finished work (on)
1 = about
2 说不好 大概嘛 也是关于什么的意思
关于On的用法:
(1) 作介词:
1. 表示位置:在……上
Mary’s coat is on the desk .
They’re going to work on a farm .
There are many apples on the trees .
I have them on this piece of paper .
There was a big smile on her face .
Jim and Li Lei meet on the road outside Li Lei’s house .
Which channel is it on ?
2. 表示时间:在……(天)
Everyone eats mooncakes on Mid-Autumn Day .
They arrived early on a Tuesday morning .
I eat mooncakes on that day .
I was born on February 18 , 1981 .
Either Tuesday or Wednesday is OK . I’ll be free on these days .
3. 关于……
In the library she has got books on many different subjects .
(2) 作副词,与动词连用,构成短语:
1. come on跟我来,加油
“Come on !”they shouted .
2. get on上(车)
Let’s get on the bus .
3. get on with(sb. )与(某人相处)
Usually we get on very well with each other .
4. go on继续
Autumn starts in August , and goes on to October .
Go on until you reach the end .
5. hold on(for a moment)别挂断电话,等一等
A : Hello ! Could I speak to the headmaster , please ?
B : Hold on for a moment , please . I’m sorry , he isn’t here right
now . May I help you ?
6. put on穿上,戴上,上演
Put it on , please Lily .
Don’t be late——oh , and put on your old clothes .
7. try on试穿(衣服),试试看
Shall I ask the shopkeeper if I can try it on ?
8. turn on开,旋开(电灯,无线电等)
I turned on the radio .
Turn it on .
9. pass on传递
They both passed on their sticks at the same time .
10. go on with(sth. )继续做……
They went on with their work .
11. walk on继续走
Walk on and turn left .
(3) A. 作介词,与动词连用,构成短语:
1. go on继续
He quickly got up and went on running .
2. spend … on在……花费
I like writing to my penfriend , but I can’t spend much time on it .
3. keep on继续
I kept on thinking about the match in the afternoon .
4. knock on敲
The boy is knocking on the door .
5. work on致力于
He works on the Great Green Wall with many other people .
Please tell Mr. Hu that I am working hard on my Chinese .
6. live on靠……为生
They lived on potatoes .
7. call on访问,拜访
I called on you .
B. 作介词,与名词连用,构成短语:
1. on foot走路,步行
I see you’re on foot today .
2. on the / one’s way to在途中,在路上
On her way home she bought a new pen at a shop .
3. on time 准时;不早不晚
You must always return your library book on time.
4. on duty值日
Who’s on duty today .
5. on show展览;陈列
They saw many old things on show in glass-topped tables .
6. on(the)earth在地球上
Two thousand years ago , there were only 250 million people on the
earth .
7. on the left/ right在左(右)边
Walk along this road and take the fourth turning on left .
8. on the radio通过收音机,以无线电的方式
She said that she heard a very interesting programme on the radio .
9. on TV通过电视,以电视的形式
We can watch a football match on TV .
10. on top of在……上面(顶部)
Can you see much grass on top of the rock ?
11. on the team在队里
Neither of them is on the team .
12. on a visit在访问
Xia Yi is on a visit to England .
13. on fire着火
The building is on fire .
14. on holiday休假,度假
You and your family are away on holiday .
15. on sale出售
The meat is on sale in the market.
(4) 其他
1. and so on等等
There are different kinds of vegetables in the shop , such as
tomatoes , potatoes , carrots , peas , cabbages and so on .
2. on and on继续,不断
They talked on and on very happily .
3. from now on从此以后,今后
Please be more careful from now on .
4. later on过后,以后
The radio says the rain will stop later on

http://school.ecp.com.cn/resource/Article_Print.asp?ArticleID=2622
http://res.koonew.com/detail/632760428790000000/59174.html
这里面都很详细

我想问一下On 的用法 在什么情况下是什么意思 下面两个句子里 On起什么作用 他为什么会是那个意思1.the students union held an interesting debate (on) capital punishment yesterday.2.they will have finished work (on) 在什么情况下使用一般现在时?举例,顺便问一下:on和at都用于具体终点前,那到底两者的用法有何区别呢? 英语不定冠词的用法我想问下,在什么情况下用 a ,什么情况下需要用 an 我忘记该具体怎样解释了. 英语语法的用法我想问一下高手英语句子什么情况下用be、was、been请高手不吝指教下我对这些完全不懂 我想问一下云南省的天气情况 我想问一下ps中曲线工具的用法.就是横轴、纵轴各代表什么意思? 6 months on, 什么意思?能不能大体讲一下on在这里的用法 我想问一下.为什么洛伦兹力在任何情况下都不做功? 我想问一下英语中to与for的用法 我想问一下在发光强度为0的情况下,LM与W之间的换算, 方位的单词用法,什么情况跟on to in 什么情况下用wear?put on的用法 我想问一下,在英语中什么时候用“the”、、以及(做填空题)在什么情况下+“ing” 麻烦问您一下,either和either of的用法有什么区别?什么情况下用either ,什么情况下用either of? 我想问一下汽轮机的调节级在什么情况下会过负荷,为什么困扰我很久了,希望明白的朋友解释一下 我想问一下:英语时间前面的介词用法.不要太笼统.还有我有时看到in morning,有时看到的是on morning怎么回事 it must still be there这个句子中still的用法?我想问一下still 的位置的用法,still在be 我想问一下苹果在套袋的时候用完全密封袋子的情况下还能生长吗