(1)(表示活动、进展或状态的继续)(used to indicate continued activity，progress or state)：speak/hold/work～说下去/保持着/干下去;The party went～all day and all night. 聚会持续进行了一天一夜。How are your tomatoes coming～? 你的蕃茄长势如何? She slept peacefully～all night.她整夜睡得很安稳。

(2)(表示在空间或时间中的前进或进展)(used to indicate movement forward or progress in space or time)：The policeman told the crowd to move～.警察让人们往前走。They went～to the next town.他们向下一个城市进发。From here/now～，I'm going to be your teacher.从这儿/现在开始，我就是你们的老师了。Charge，Chester，charge! O～，Stanley，～! 切斯特，冲呀! 斯坦利，向前! Yet～they must.他们还必须继续前进。

(3)穿(戴)上，穿(戴)着(being worn;so as to be worn)：Have you got～a vest?你穿背心了吗?Keep your hat～.戴着帽子别摘。Put～your coat.穿上你的大衣。I will take off my travelling cap，and put～the monk's cowl.我要摘下旅行帽，戴上修道士的头巾。

(4)安(放)上，连(接)上(in or into a position of being attached to or covering sth)：Put the lid/cover～盖上盖儿。Will you add this～? 你把这个加上好吗? Two extra carriages were joined～at Doncaster.在唐卡斯特又多挂上两节车厢。

(5)(尤指电器或电源等)接通(使用，工作)着((of electrical apparatus，machines etc)working，available or connected)：Is the radio/oven～? 收音机/烤箱开着呢吗?Turn～the light/the TV/the gas please.请把灯/电视/煤气打开。The electricity finally came～.电终于来了。

(6)(指演出、戏剧等)在进行中((of a performane，show，etc)in progress)：The film/strike has been～now for two weeks.这部影片已放映/这场罢工已持续两个星期了。The lecture was already～when we arrived.我们到达时，演讲已开始了。

(7)(指电影)在上演，放映，演出 ((of films，etc) able to be seen (eg at a cinema))：What (film) is～at the local cinema this evening? 今晚本地电影院演什么电影? They are putting～a new play at the Gaiety Theatre next month.下个月他们将在盖蒂剧场上演一部新戏。“King Lear” was～at the Play-house last season.上个演出季在话剧院上演了《李尔王》。

(8)按计划将发生(planned to happen in the future)：I have nothing particular～for tonight.我今晚没有什么特殊活动。The match is～for Friday.比赛安排在星期五进行。 There's a new film～at the club， but it's coming off on Sunday. 俱乐部计划上映新片， 不过要到星期天才开映。Two speeches had already been given and he was told he would be～next.前两个人发言结束后，他被告知下一个由他发言。

(9)(指演员)在台上(演出)((of a performer) on the stage：performing)：He has been～for three years，and now retires.他登台演出已三年，现在退出了。What time is the well-known star～? 那位明星什么时候出场?

(10)在班上(值班)(on duty，working)： He has worked two nights and will also be/go～tomorrow night.他已经干了两夜，明天夜里还要上班。She's～from 7 a.m.to 7 p.m.today.她今天早7点到晚7点值班。

(11)进入车辆里，在车上(in or into a train，etc)：The bus stopped and we got～.公共汽车停了下来，我们上了车。Is everyone～? 大家都上来了吗?

(12)以某部分在前面或在接触点上(with the specified part in front or at the point of contact)：He lost his hold，and fell face～into the water.他没抓住，面朝下落入水中。The two cars smashed/crashed head～.两辆汽车迎头相撞。

be on 行得通的(infml);认可的： Your plan just isn't～.你的计划就是行不通。

be on (for sth)参加(某事)(infml)： Are you～for the party? 你参加那个聚会吗?

be/go/keep on about sth 唠叨;抱怨(infml，derog)：You mean the kind of thing Mary is always～about.你指的是玛丽常常唠叨的那种事。

be/go/keep on at sb(to do sth)责怪或纠缠某人(做某事)(infml，derog)：Ann has been～at me for 30 minutes to take her down to the shops.安要我带她去逛商店，已经缠了我半小时了。

on and on 不停(断)地：She kept～and～asking questions.她不停地提问题。