I am a Chinese. Examples of the "还": (note :1. 还 = still , also)，2. other forms of the "还": = 依然， 仍然，还是，还在，(但)还是，… 1. (Chinese version) 数年过去了，我们 (现在) "还在" 偿还这些债务。 (English version) Years have passed and we are still paying them off. 2. 我 '还是' 不明白。(= 我还不明白，or,我依然不明白，or, 我仍然不明白) I still don't understand. 3.We've been working on it for a long time. And it "still" isn't finished. 我们一直做这项工作很长时间了，"但(现在)还是"没有完成。(这项工作还没有被完成)。 4. Do you still like it? 你(现在)还喜欢它吗? 5.你(现在)还 喜欢它吗? Don't you still like it? 6.在我们下次会议上，许多问题还(依然)需要谈论。 There are many problems still to be discussed at our next meeting. Examples of the "已经": (note: 1.已经 = already. Other forms of the "已经" = 早已，(做，学，吃)过了，还(无)，还(不)(used in negative sentence), 都(used to express surprise that sth has happened so soon or so early), 既而，… 1. 咖啡'已经'凉了。 The coffee has 'already' cold. 2. 如果这事"还"没做完，就把这类"死"交给验尸官吧。 Refer certain types of death to the coroner if this has not already been done. 3.她已经吃"过"(吃了)晚餐了吗? Has she already eaten her dinner? 4.难道你没有"(看)过"这个电影? Haven't you seen the film already?(= Surely, you have seen the film by now?) 5.你'已经'吃过晚餐了吗? Have you eaten your dinner already? Hope this helps!

已经already 我已经迟到了。I am already late. 还 also, still 她还在主持一个节目。She also presents a show. 我还是有一点累。I am still a little tired.