5) and有时可译成“而” , 这时不用but .
I went home and she stayed at the station. I am a teacher and she is a student.
②not only…but (also) 不但…而且 She plays not only the piano, but (also) the guitar.
注意:not only… but also 关联两个分句时,一个分句因有否定词not 而必须倒装。
Not only does he like reading stories, but also he can even write some.
③but : 连接意义相反的短语或句子 He is very young but he knows a lot .
1) 用在某些否定词后,表示“只”(前有 do 后无to ,前无do 后有to )
She knows no one but you. He did nothing but sit there thinking.
He had no choice but to lie down to sleep.
2) 表示“除了” Who but a fool would do such a thing? Everybody is here but Paul.
3) I’m sorry but… ...
注:but表示转折,while表示对比。Some people love cats, while others hate them.
④ however : 可放句末,句首或用逗号隔开。
⑤ yet作副词用,用于否定句表示“还”;用于疑问句表示“已经”;作连词表示“但是,却”。
I haven’t enough data yet . Has he come yet? I have failed, yet I shall try again.
⑥ while 1) 表对比, “而” Tom is singing while Mary is dancing .
2)引导让步状语从句,“虽然” While almost everybody knows him , nobody likes him .
3) 引导时间状语从句,主句动作与从句动作同时发生,从句必须用延续性动词。
She listened while he read.
⑦ or “或者,还是” Would you like coffee or tea? The sea can be blue or green or grey.
“否则” (见and 用法)
⑧ rather than “…而不是…” It was what he meant rather than what he said. 这是他的原意而不是他的原话。
补充: “宁愿…而不愿…” prefer to do sth. rather than do sth./ prefer doing sth. rather than doing sth.
or rather “更确切的说”
I prefer to go to school rather than stay at home. 我宁愿上学而不愿留在家。
He preferred doing something to doing nothing. 他宁愿做事不愿什么也不干。
I prefer beef rather than pork. 我宁愿吃牛肉也不吃猪肉。
He played the computer game till late last night, or rather, early this morning.昨天他玩电脑游戏到深夜,或者跟确切地说,到今天凌晨.