still,yet,already的用法区别

这几个词都可以作副词,still,是仍然,还是之意；yet是不过,然而,之意；already是已经,已然之意.
1,still adv.仍然；更；静止地
adj.静止的,不动的；寂静的,平静的；不起泡的
n.寂静；剧照；蒸馏室
conj.仍然；但是；尽管如此
vt.蒸馏；使…静止；使…平静下来
vi.静止；平静；蒸馏
它的意思较多,用法也复杂,但是平常英语中,仅用作副词状语,几多反而混.
如1.Are you still with me?我的话你仍能听懂吗?
2.Six months passed and still we had no news of them.六个月过去了,而我们还没有关于他们的消息.
3.She still kept up with her classmates after graduation.毕业后她仍然与她的同学保持联系.
2.yet adv.还；但是；已经 conj.但是；然而
(副词)She didn't realize her mistake yet.她还没有认识到她的错误.
（连词）I don't eat much,yet I am a size 16.我吃得不多,然而我是个穿16号的人.
3.already 词性很单一,用法也不复杂 adv.已经,早已；先前
Already the round sun was setting.圆圆的太阳已经要落山了.另外这个词的英语用法,你可以看一下：Already is often used to add emphasis or to suggest that it is surprising that something has happened so soon.They were already eating their lunch.If you say that something is still happening or is still the case,you are usually emphasizing your surprise that it has been happening or has been the case for so long.She was still looking at me...There are still plenty of horses around here.You use yet in negative sentences and in questions.It is often used to add emphasis,to suggest surprise that something has not happened,or to say that it will happen later.Have you seen it yet?...The troops could not yet see the shore...It isn't dark yet.In British English,already and yet are usually used with the present perfect tense.I have already started knitting baby clothes...Have they said sorry yet?In American English,a past tense is commonly used.She already told the neighbors not to come...I didn't get any sleep yet.This usage is becoming more common in British English.
愿能给你些许帮助.