①“一段时间+later/ago”分别表示“(多久)以后/以前”,主要用于过去时态.②“after/before+某个时刻”分别表示“在某时刻之后/之前”,此时两个词是介词.③ago与before:ago只能用于过去时,before用于完成时.如:He had an accident a weekago.(一周前出了一个事故).Some yearslater,the boy became a very ...
after a few years' hard study用于一般过去时态 He made a big success after a few years' hard study.
1，in 可以用于一般将来时，一般过去时 I will come in two days 两天后我过来 He became a big boss in a few years：几年后他成了一个大老板 2，after after+时间，一般过去时 after 2 weeks，he finished his job after+时间点，可用于各种时态，after 3 o'clock，please come to my of...
这个时间状语常与一般过去时态或过去进行时态连用。例如: ① I graduated from the college twenty years ago. ②I was asked what I was doing a month ago. 4. 表示在某一时间点或事件以前时,只能用before,不用ago。因为这种用法是将before当作介词或连词使用。ago不具有这种功能。例如: ① He will come ...
after+i+had+been+at+it+for+a+few+years 这句话 时态 过去完成时。勤学好问 天天进步！
but if you put it in the ground, give it some water, fight off invaders, and wait a little...
for further education.(work)这是一个过去时态的句子：他在北京工作过几年，之后就出国深造了。用连词after前后都用同一个时态 如果用过去完成时态要这样说：He had worked for a few years before he went abroad for further education.他出国深造家已经工作过几年了。一定要注意使用的连词 ...
after 的前后时态遵循“主将从现” 原则。 扩展资料 例句: I'll do my homework after supper. 晚饭后我要做家庭作业。 The class reassembled after lunch. 午饭后,全班同学又集合起来。 I am a seeker after truth. 我是一名真理的追求者。 after的用法 after 的用法 1. 用作连词是词,它引导的时间状语...
In the past/last few years, great changeshave taken placein this city. 过去几年里,这座城市发生了巨变。 今日练习 ---When did you become an actor? ---___, when I graduated from college. A.After B.In C.From D.Since 后台对话框回复“...
如:identaweekago.(一周前出了一个事故).Someyearslater,theboybecameaveryfamoussinger.(数年后这个男孩成了著名的歌唱家).Haveyoubeentherebefore?(你从前到过那儿吗?).Afterafewyearshegaveupsmoking.(过了几年他戒了烟。) "单词辨析知识讲解before和agoafter和later有什么区别");"加入收藏夹主题: 单词辨析...