| 年月日,加早午晚,of之前on代in | 
| 例: on the morning of 18th   18日早晨 | 
| on the evening of 4th   4日晚上 | 
| On the eve of their departure they gave a farewell banquet and their head gave a garewell speech.    他们在临行前夕举行了一次告别宴会,他们的团长发表了告别讲话。 | 
|  | 
| 收音、农场,值日on | 
| 例:Did your supervisor like the story over (or on) the radio last night? | 
| 您的导师喜欢昨天从收音机里听到的故事吗? | 
| I heard the news over (or on) the radio.    我从收音机里听到了这一条消息。 | 
| taIk over the radio  由无线电播音 | 
| on TV  从电视里...... | 
| hear something on the wireless  在无线电里听到 | 
| My brother works on an Army reclamation farm.    我哥哥在一个军垦农场工作。 | 
| The students are working on a school farm.    学生们正在校办农场劳动。 | 
| This is a farmer's house on a farm.    这是农场的农舍。 | 
| Who is on duty, tody?   今天谁值日? | 
| We go on duty at 8 a.m.    我们上午8点钟上班。 | 
|  | 
| 关于、基础、靠、著论 | 
| 例:  This afternoon we are going to listen to a report on the international situation.    今天下午我们要听关于国际形势的报告。 | 
| Professor Shen will give us a talk on travelling in America.    申教授将给我们做关于美国之行的报告。 | 
| You are wrong on all these issues.    在这些问题上你的看法都错了。 | 
| The belief is based on practical experience.    这种信念是以实际经验为基础的。 | 
| Theory must be based on practice.    理论必须以实践为基础。 | 
| The people in the south live on rice.    南方人主食大米。(靠) | 
| The citizens live on their salaries.    城市人靠薪金生活。 | 
| You can't afford luxuries, on an income of 100 yuan a month.   靠月薪100元的收入,你是买不起奢侈品的。 | 
| Her pet dogs were fed on the choicest food.   她用精饲料喂养她心爱的狗。 | 
| He is just a scrounger, who lives on other people.    他正是一个小偷,专靠损害别人过日子。 | 
| Keep the kettle on the boil (=boiling).    让水壶的水一直开着。 | 
| The enemy are on the run (=running).    敌人在逃跑。 | 
| on后接the加上一个作名词的动词.其意义与现在分词所表达的相近。类似例子很多如: | 
| on the march在行军中,on the mend 在好转中,on the prowl徘徊,on the move活动中,on the scrounge巧取豪夺(埋语),on the go活跃,忙碌,on the lookout注意, 警戒,on the watch监视着。on the hop趁不备抓住某人等等。 | 
| on the People's Democratic Dictatorship<<实践论>>和<<矛盾论>> | 
| on the People's Democratic Dictatorship<<论人民民主专政>> | 
| "on Coalition Government"    <<论联合政府>> |