① already可用于疑問句中,放在句尾,表示"驚訝,懷疑"。
Has he arrived already?他已經(jīng)到了?(真沒想到)
Have you finished supper already?It's only half past five. 你已經(jīng)吃過晚飯了?才五點(diǎn)半呢。
② still意為"仍然,還",表示某事正在進(jìn)行中或正在過程中,用于進(jìn)行時或一般現(xiàn)在時,且常用于肯定句,有時也用于疑問句和否定句。
They are still talking in the room. 他們?nèi)栽诜块g里談話。
She is still very young. 她仍然很年輕。
Is he waiting still?他還在等嗎?
He is still sitting. 他仍然坐著。
(still表示"仍然")
He is sitting still. 他坐著不動。
(still表示"不動的")
③ not...yet表示"還沒有",也常用于完成時,有時用一般現(xiàn)在時。
He hasn't done his homework yet. 他還沒有做完家庭作業(yè)。
She isn't home yet. 她還沒有到家。
yet可用于由although引導(dǎo)的讓步狀語從句中,表示"但是";yet也可用作連詞,引導(dǎo)從句,表示"然而"。
Although he tried his best,yet he didn't win the game. 雖然他盡了最大努力,但沒能贏得那場比賽。
She wanted to come,(and)yet she was ill. 她想來,可是她病了。(如果用and yet,yet就是副詞)
Have you heard the news yet?(一般詢問)
Have you heard the news already?(表示驚訝)
Is she here yet?她來了沒有?(=Has she arrived?)
Is she still here?她還在這里嗎?(=Hasn't she left?)