still,yet和already的用法区别

still,yet和already的用法

1.already

already表示“已经”,常用于肯定句中.例如：

It's only 11 o'clock and they have already had lunch. 现在才11点,他们已经吃过午饭了.

Are they building a new hotel here? There are too many hotels already. 他们要在这儿建一个新饭店吗?这儿的饭店已经够多了.

[注] already偶尔也可用于疑问句,此时具有“惊奇”的意味.例如：

Have you finished the work already? You are very speedy.

你已经完成工作了吗?你的速度真快.

[例题] The moon , everybody .

[答案] B.already改为yet.

2.still

still强调过去发生的事情及存在的状况目前还在延续.在现在完成时的否定句中,still表

示吃惊或不耐烦的语气;但在现在进行时中,still只表示动作正在持续,不带有感情色彩.例如：

My neighbour hit my car last week and he still hasn't apologised. 我的邻居上周撞了我的车,可他到现在还没有道歉呢.

He's still living with his mother. 他仍与母亲住在一起.

3.yet

yet常用于疑问句和否定句.在疑问句中,用来询问说话人期望发生的事情是否已经发生.在否定句中,表示说话人期望发生的事情尚未发生.例如：

John, have you finished that report yet? 约翰,你把报告已经写出来了吗?

John hasn't finished that report yet and I asked him for it three days ago. 约翰还没有写完报告,可我三天前就要他交了.