yet 常用与否定句与疑问句,放在句尾.still 用语肯定句与疑问句位于句中或句末.那么,yet与still如何区别?

“yet”用于否定句。
如：
I have not finished reading the book yet.
“still”既可用于肯定句又可用于否定句，表示动作或状态的持续。
如：
1) She still likes him.
2) I still can not understand you.
注意：“still”置于动词前后，会使句意发生变化。
如：
1) He is still standing. (continue to stand)
2) He is standing still. (=standing motionless)

“already”,“yet”和“still”有什么区别?What's the difference between "already","yet" and "still"?Answer:"Already" is used in affirmative sentences; "yet" is used in negative sentences.E.g.1) He has ...