- 词义辨析
have been doing,had been doing
have been doing 过去做的事情一直延续到现在还在做had been doing 过去做的事情已经做完了,现在没有再做了 两者的区别就是 时间跨度的问题 第一个的时间跨度是 过去到现在还继续第二个时间跨度是 过去到现在没有继续 了只要还是继续做的话就用have been doing
- 双语例句 更多例句
事情发展迅速的时候,你很难搞清楚自己在做什么、学什么,所以停止思考这些问题是很重要的。
中考真题- 2017 山西 任务型阅读A
Some scientists have been doing research on artificial internal organs.
一些科学家一直在研究人造内脏。
《外研社英语同义词辨析词典》
It really is. But all of us have been doing the work for years.
是的. 但是我们所有的人已经在这儿工作很久了.
轻松英语会话---联想2000词(上)
- 相关词组
- have no desire to enter government service不求闻达
- have plenty of money and pull有财有势
- have not even any leisure for oneself自顾不暇
- have had enough of both wine and food酒醉饭饱
- go about doing着手,开始工作;
- have just the necessities of living一无长物
- be busy doing something忙着做点什么
- have the time能有时间;因为有表而知道时间;
- have a fish but be unable to cook it釜中生鱼
- have an attack of one's old illness犯病
- have not sufficient food to eat食不果腹
- have won fame both at home and abroad驰名中外
- have intercourse性交
- have successful experiences of others to go by借鉴
- enjoy doing something喜欢做点什么
- have one's name upv.成名;扬名;
- Even a fool may sometimes have a good idea千虑一得
- can't help doing something我忍不住做了些什么
- learning by doing从做中学;
- have enough to eat and wear温饱
- 今日热词
- 热门搜索
- background n.出身,背景;底色;幕后;背景音;
- love story n.爱情故事,恋爱小说;艳史;
- early adj.早的;早期的;早日的;(果实等)早熟的;adv.早;在初期;先前;提早;
- heu kms activator 激活工具;微软万能激活器;微软产品激活工具
- Bibi abbr.byebye 再见;n.【女名】女子名
- What is love 什么是爱;爱是什么;爱情是什么;什么叫做爱
- nursery n.托儿所;幼儿园;育儿室;苗圃;adj.幼儿教育的;
- hurricane n.飓风;
- microsoft toolkit 激活工具
- contain v.装有;包含;遏制;控制;克制;
- enhance v.提高,增强;改进;
- Don't Stop 不要停;别停下来;别停下

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